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Journal articles on the topic 'One-pot manner'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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1

Shu, Fan, Qingjuan Zheng, Wanrong Dong, Zhihong Peng, and Delie An. "One-pot synthesis of propynoates and propynenitriles." Canadian Journal of Chemistry 95, no. 2 (2017): 144–48. http://dx.doi.org/10.1139/cjc-2016-0181.

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An efficient transformation towards propynoates and propynenitriles is herein described. The practical methodology was conducted at low temperature (–78 or –60 °C) in a one-pot manner with the assistance of base rather than any transition metal catalysts. The base-induced protocol exhibits good functional group tolerance (up to 28 examples) and high efficiency (up to 92% yields) towards substituted acetylenes of great synthetic significance, which was also well demonstrated by the gram-scale reactions.

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2

Pirouz, Maryam, M. Saeed Abaee, Pernille Harris, and Mohammad M. Mojtahedi. "One-pot synthesis of benzofurans via heteroannulation of benzoquinones." Heterocyclic Communications 27, no. 1 (2021): 24–31. http://dx.doi.org/10.1515/hc-2020-0120.

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Abstract Three different reactions were explored leading to the synthesis of various benzofurans. All reactions took place under AcOH catalysis in a one-pot manner. As a result, benzoquinone derivatives underwent heteroannulation with either itself or cyclohexanones to produce furanylidene-benzofuran or benzofuran structures, respectively.

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3

Fathi Vavsari, Vaezeh, Mehri Seyed Hashtroudi, and Saeed Balalaie. "Ru-Catalyzed One-Pot Synthesis of Heterocyclic Backbones." Catalysts 13, no. 1 (2023): 87. http://dx.doi.org/10.3390/catal13010087.

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Ruthenium complexes are remarkable catalysts for the C–H activation approaches and organic transformations. Combining a Ru-catalyst with oxidants and other additives in a one-pot process is considered a sustainable approach due to the reduction in reaction steps and the minimal usage of solvents during synthesis, work-up, isolation of chemicals, and purification of the products. This review highlights the ruthenium-catalyzed organic transformations in a one-pot manner to achieve heterocyclic backbones, including indoles, benzofurans, indazoles, pyrans, pyrimidines, quinolines, and isoquinoline

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4

Reddy, Chada Narsimha, Manda Sathish, Susanta Adhikary, et al. "Phenacyl azides as efficient intermediates: one-pot synthesis of pyrrolidines and imidazoles." Organic & Biomolecular Chemistry 15, no. 13 (2017): 2730–33. http://dx.doi.org/10.1039/c7ob00299h.

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5

Özer, Halenur, Dilan Arslan, and Bengi Özgün Öztürk. "Dehydrogenative alcohol coupling and one-pot cross metathesis/dehydrogenative coupling reactions of alcohols using Hoveyda–Grubbs catalysts." New Journal of Chemistry 45, no. 13 (2021): 5992–6000. http://dx.doi.org/10.1039/d1nj00255d.

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6

Tanimori, Shinji, Haruna Nariki, Takuya Miyamura, Daiki Matsui, and Motohiro Sonoda. "Iodine-Mediated Facile One-Pot Access to N-Aryl-2-benzoxazolamines." SynOpen 04, no. 04 (2020): 99–106. http://dx.doi.org/10.1055/s-0040-1705982.

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AbstractFacile, iodine-mediated access to N-aryl-2-benzoxazolamines has been achieved in a one-pot manner under mild reaction conditions. Reaction of 2-aminophenols and aryl isothiocyanates afforded N-aryl-2-benzoxazolamines in the presence of molecular iodine and pyridine in tetrahydrofuran at room temperature in moderate to excellent yields.

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7

Gradišar, Špela, Ema Žagar, and David Pahovnik. "Hybrid block copolymers of polyesters/polycarbonates and polypeptides synthesized via one-pot sequential ring-opening polymerization." Polymer Chemistry 9, no. 38 (2018): 4764–71. http://dx.doi.org/10.1039/c8py00835c.

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8

Durukan, Canan, Baris Kiskan, and Yusuf Yagci. "One-Pot Synthesis of Amide-Functional Main-Chain Polybenzoxazine Precursors." Polymers 11, no. 4 (2019): 679. http://dx.doi.org/10.3390/polym11040679.

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Main-chain polybenzoxazines containing amide linkages were successfully prepared in one pot. Three different polymers were synthesized by reacting 3,4-dihydrocoumarine (DHC) and paraformaldehyde with 1,3-diaminopropane or 1,6-diaminohexane or Jeffamine ED-900. The one-pot reaction proceeded through the combination of the ring-opening of DHC with amines, and subsequent Mannich and ring-closure reactions occurring in a cascading manner. The obtained polymer from Jeffamine exhibited good film-forming properties, and free-standing flexible films were easily solvent- casted on Teflon plates. All po

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9

Varga, Valentina, Péter Ábrányi-Balogh, and Mátyás Milen. "Synthesis of Naphthoxazinones in a One-Pot Two-Step Manner by the Application of Propylphosphonic Anhydride (T3P®)." Chemistry 2, no. 2 (2020): 600–612. http://dx.doi.org/10.3390/chemistry2020037.

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A sequential one-pot two-step protocol has been elaborated for the synthesis of naphthoxazinones from 2-naphthol, methyl carbamate, and aromatic aldehydes. First, a three-component reaction was optimized with the dehydrating additive propylphosphonic anhydride (T3P®), resulting in 1-carbamatoalkyl 2-naphthols in good to excellent yields. Following the successful multicomponent approach, intramolecular acylation was performed at high temperature, again with the contribution of T3P®, resulting in naphthoxazinone derivatives in moderate yields. These two steps were optimized together in one-pot a

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10

Han, Jung Tae, Jin Yong Lee та Jaesook Yun. "Asymmetric synthesis of γ-chiral borylalkanes via sequential reduction/hydroboration using a single copper catalyst". Chemical Science 11, № 33 (2020): 8961–65. http://dx.doi.org/10.1039/d0sc03759a.

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11

An, Zhenyu, Yue She, Xiaodong Yang, Xiaobo Pang, and Rulong Yan. "Metal-free synthesis of 3-methylthiofurans from homopropargylic alcohols and DMSO via a tandem sulfenylation/cyclization reaction in a one-pot manner." Organic Chemistry Frontiers 3, no. 12 (2016): 1746–49. http://dx.doi.org/10.1039/c6qo00462h.

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12

Tomilin, Denis Nikolaevich, Sophia A. Stepanova, Lyubov Nikolaevna Sobenina, Ludmila A. Oparina, Igor Alekseevich Ushakov, and Boris Aleksandrovich Trofimov. "One-pot synthesis of pyrrolooxazoles from pyrrolyl acetylenic ketones and natural aldehydes." Mendeleev Communications 35, no. 1 (2025): 14–17. https://doi.org/10.71267/mencom.7571.

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Natural aldehydes and some of their derivatives undergo base-catalyzed [3 + 2]-cyclization with pyrrolyl acetylenic ketones in a click-like manner (Et<sub>2</sub>O, KOH, room temperature) to afford pyrrolo[1,2-<em>c</em>]oxazoles in up to 77

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13

Gondru, Ramesh, Janardhan Banothu, Ranjith Kumar Thatipamula, Althaf Hussain SK, and Rajitha Bavantula. "3-(1-Phenyl-4-((2-(4-arylthiazol-2-yl)hydrazono)methyl)-1H-pyrazol-3-yl)-2H-chromen-2-ones: one-pot three component condensation, in vitro antimicrobial, antioxidant and molecular docking studies." RSC Advances 5, no. 42 (2015): 33562–69. http://dx.doi.org/10.1039/c5ra04196a.

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14

Sha, Ye, Md Anisur Rahman, Tianyu Zhu, Yujin Cha, C. Wayne McAlister, and Chuanbing Tang. "ROMPI-CDSA: ring-opening metathesis polymerization-induced crystallization-driven self-assembly of metallo-block copolymers." Chemical Science 10, no. 42 (2019): 9782–87. http://dx.doi.org/10.1039/c9sc03056e.

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Two most prevailing self-assembly methods, PISA and CDSA, are combined in one metallo-block copolymer system via one-pot synchronous ROMP, yielding crystalline nanostructures in a mild, fast, scalable and controlled manner.

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15

Konakov, Artem O., Nadejda N. Dremova, Igor I. Khodos, Marcus Koch, Ekaterina V. Zolotukhina, and Yuliya E. Silina. "One-Pot Synthesis of Copper Iodide-Polypyrrole Nanocomposites." Chemosensors 9, no. 3 (2021): 56. http://dx.doi.org/10.3390/chemosensors9030056.

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A novel one-pot chemical synthesis of functional copper iodide-polypyrrole composites, CuI-PPy, has been proposed. The fabrication process allows the formation of nanodimensional metal salt/polymer hybrid structures in a fully controlled time- and concentration-dependent manner. The impact of certain experimental conditions, viz., duration of synthesis, sequence of component addition and concentrations of the intact reagents on the structure, dimensionality and yield of the end-product was evaluated in detail. More specifically, the amount of marshite CuI within the hybrid composite can be ran

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16

Hammer, Niels, Lars A. Leth, Julian Stiller, Magnus E. Jensen, and Karl Anker Jørgensen. "Oxadendralenes in asymmetric organocatalysis for the construction of tetrahydroisochromenes." Chemical Science 7, no. 6 (2016): 3649–57. http://dx.doi.org/10.1039/c6sc00185h.

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17

Zhang, Yong, Xi Zong, and Min Ji. "An iodine-promoted one-pot and metal-free access to indolin-2-ones." Journal of Chemical Research 43, no. 11-12 (2019): 542–47. http://dx.doi.org/10.1177/1747519819875862.

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A new method for the synthesis of indolin-2-ones has been realized by an I2-promoted oxidative reaction from 1,2,3,3-tetramethyl-3 H-indolium iodides. This transformation proceeded smoothly under metal-free and peroxide-free conditions in a cascade manner.

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18

Ren, Xinyi, Guangzhu Wang, Xiaolei Ji, and Kaiwu Dong. "Synthesis of Two Types of Nitriles Both Bearing Quaternary Carbon Centers in One-Pot Manner." Chinese Journal of Organic Chemistry 42, no. 2 (2022): 526. http://dx.doi.org/10.6023/cjoc202107017.

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19

Zhu, Hui, Gaojian Chen, Zhenbiao Zhang, Nianchen Zhou, Weidong Zhang, and Xiulin Zhu. "Fe(0) powder-catalyzed one-pot reaction: concurrent living radical polymerization and click chemistry for topological polymers." Polymer Chemistry 6, no. 26 (2015): 4794–800. http://dx.doi.org/10.1039/c5py00654f.

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Fe(0) powder-catalyzed one-pot reaction was successfully employed to design linear and star polymers in a well-controlled manner by combining ambient temperature living radical polymerization and click chemistry.

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20

Zhu, Dingsheng, Shuai Fang, Lu Tong, et al. "A cylinder-shaped macrocycle formed via Friedel–Crafts reaction." Chemical Communications 57, no. 36 (2021): 4440–43. http://dx.doi.org/10.1039/d1cc00498k.

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21

Ali, Akbar, Zia Ud Din, Muhammad Ibrahim, et al. "Acid catalyzed one-pot approach towards the synthesis of curcuminoid systems: unsymmetrical diarylidene cycloalkanones, exploration of their single crystals, optical and nonlinear optical properties." RSC Advances 13, no. 7 (2023): 4476–94. http://dx.doi.org/10.1039/d2ra07681k.

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22

Xu, Yuan, Xin Ge, Yuhan Zhang, Hongbin Zhang, and Xue-Wei Liu. "A mild one-pot synthesis of 2-iminothiazolines from thioureas and 1-bromo-1-nitroalkenes." RSC Advances 11, no. 4 (2021): 2221–25. http://dx.doi.org/10.1039/d0ra00686f.

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23

Xu, Yuan, Xin Ge, Yuhan Zhang, Hongbin Zhang, and Xue-Wei Liu. "A mild one-pot synthesis of 2-iminothiazolines from thioureas and 1-bromo-1-nitroalkenes." RSC Advances 11, no. 4 (2021): 2221–25. http://dx.doi.org/10.1039/d0ra00686f.

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24

Zhang, Yujun, and Esmail Vessally. "Direct halosulfonylation of alkynes: an overview." RSC Advances 11, no. 53 (2021): 33447–60. http://dx.doi.org/10.1039/d1ra03443j.

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The difunctionalizations of alkynes have emerged as a powerful, and step-economical approach for the construction of highly substituted alkenes in a one-pot manner, without the need for isolation of intermediates.

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25

Zhang, Yujun, and Esmail Vessally. "Direct halosulfonylation of alkynes: an overview." RSC Advances 11, no. 53 (2021): 33447–60. http://dx.doi.org/10.1039/d1ra03443j.

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The difunctionalizations of alkynes have emerged as a powerful, and step-economical approach for the construction of highly substituted alkenes in a one-pot manner, without the need for isolation of intermediates.

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26

Garnier, T., A. Dochter, N. T. T. Chau, P. Schaaf, L. Jierry, and F. Boulmedais. "Surface confined self-assembly of polyampholytes generated from charge-shifting polymers." Chemical Communications 51, no. 74 (2015): 14092–95. http://dx.doi.org/10.1039/c5cc04477d.

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Polyampholyte-based films can be efficiently self-assembled onto a surface in a one-pot manner by using a charge-shifting polyelectrolyte transformed into a polyampholyte by an electrogenerated gradient of protons.

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27

Jeong, Hee-Jin. "Quenchbodies That Enable One-Pot Detection of Antigens: A Structural Perspective." Bioengineering 10, no. 11 (2023): 1262. http://dx.doi.org/10.3390/bioengineering10111262.

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Quenchbody (Q-body) is a unique, reagentless, fluorescent antibody whose fluorescent intensity increases in an antigen-concentration-dependent manner. Q-body-based homogeneous immunoassay is superior to conventional immunoassays as it does not require multiple immobilization, reaction, and washing steps. In fact, simply mixing the Q-body and the sample containing the antigen enables the detection of the target antigen. To date, various Q-bodies have been developed to detect biomarkers of interest, including haptens, peptides, proteins, and cells. This review sought to describe the principle of

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28

Miao, Hong-Jie, Le-Le Wang, Hua-Bin Han, Yong-De Zhao, Qi-Lin Wang, and Zhan-Wei Bu. "Regio- and diastereoselective dearomatizations of N-alkyl activated azaarenes: the maximization of the reactive sites." Chemical Science 11, no. 5 (2020): 1418–24. http://dx.doi.org/10.1039/c9sc04880d.

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An unprecedented base-promoted multi-component one-pot dearomatization of N-alkyl activated azaarenes was developed to construct complex and diverse bridged cyclic polycycles with multiple stereocenters in a highly regio- and diastereoselective manner.

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29

Singh, Namita, Pratap Vishnoi, and Ganapathi Anantharaman. "Coordination polymers based on copper carboxylates and angular 2,5-bis(imidazol-1-yl)thiophene (thim2) ligand: sequential structural transformations." CrystEngComm 17, no. 10 (2015): 2153–61. http://dx.doi.org/10.1039/c4ce02428a.

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30

Zhang, Chen, Na-Na Ma, Zi-Lun Yu, et al. "Palladium-catalyzed direct reductive cross-coupling of aryltrimethylammonium salts with aryl bromides." Organic Chemistry Frontiers 8, no. 17 (2021): 4865–70. http://dx.doi.org/10.1039/d1qo00759a.

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Palladium-catalyzed direct reductive cross-coupling of aryltrimethylammonium salts with aryl bromides proceeded efficiently in a one-pot manner in the presence of Mg turnings, LiCl, and TMEDA in THF to afford the corresponding biaryl compounds.

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31

Satish, Gandhesiri, Ashok Polu, Laxman Kota, and Andivelu Ilangovan. "Copper-catalyzed oxidative amination of methanol to access quinazolines." Organic & Biomolecular Chemistry 17, no. 19 (2019): 4774–82. http://dx.doi.org/10.1039/c9ob00392d.

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A novel method for the copper-catalyzed oxidative amination of 2′-aminoarylketones with methanol as a C1 carbon source and ammonium acetate as an amine source to construct quinazolines was established in a one-pot manner.

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32

Xu, Haopeng, Chao Pi, Yangjie Wu та Xiuling Cui. "Three-component synthesis of α-indole-β-sulfonyl tetrahydrofurans under metal-free conditions". New Journal of Chemistry 46, № 5 (2022): 2239–44. http://dx.doi.org/10.1039/d1nj05749a.

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An efficient multi-component reaction has been developed for the synthesis of 2,3-disubstituted tetrahydrofurans in a “one pot” manner, starting from readily available 2-arylindoles, arylsulfonyl azides, and tetrahydrofuran under simple and easily operated reaction conditions.

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33

Xie, Jia-Ning, Bing Yu, Chun-Xiang Guo, and Liang-Nian He. "Copper(i)/phosphine-catalyzed tandem carboxylation/annulation of terminal alkynes under ambient pressure of CO2: one-pot access to 3a-hydroxyisoxazolo[3,2-a]isoindol-8(3aH)-ones." Green Chemistry 17, no. 7 (2015): 4061–67. http://dx.doi.org/10.1039/c5gc00926j.

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A tandem carboxylation/annulation sequence promoted by a copper(i)/phosphine catalytic system was developed with simultaneous formation of four novel bonds i.e. two C–C bonds and two C–O bonds in a one-pot stepwise manner.

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34

Zhu, Yue, Wenteng Chen, Donghong Zhao, Guolin Zhang та Yongping Yu. "One-Pot Three-Component Strategy for Polysubstituted 2-Aminothiazoles via Ring Opening of α-Nitro Epoxides". Synthesis 51, № 09 (2019): 2023–29. http://dx.doi.org/10.1055/s-0037-1612101.

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Polysubstituted 2-aminothiazoles have been synthesized via a one-pot three-component reaction of α-nitro epoxides, potassium thiocyanate, and primary amines without the need for any additives. This reaction proceeds smoothly in a highly efficient and eco-friendly manner with good to excellent yields. A possible mechanism is also proposed.

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35

Das, Anupama, and Narayanaswamy Jayaraman. "Carbon tetrachloride-free allylic halogenation-mediated glycosylations of allyl glycosides." Organic & Biomolecular Chemistry 19, no. 42 (2021): 9318–25. http://dx.doi.org/10.1039/d1ob01298c.

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A one-pot CCl4-free allylic halide activation of allyl glycosides, followed by glycosylation with acceptors, is conducted in a latent-active manner. PhCF3 as the solvent and TMSOTf/Tf2O as the promoter system are optimal for the reaction.

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36

Peng, Jinsong, Chunxia Chen, Deqiang Wang, Peng Sun, Peiyun Jia, and Yixia Yue. "Transition-Metal-Free One-Pot Tandem Synthesis of 4-Quinolone and 4H-Thiochromen-4-one Derivatives Through Sequential Nucleophilic Addition–Elimination–SNAr Reaction." Synthesis 49, no. 18 (2017): 4309–20. http://dx.doi.org/10.1055/s-0036-1588466.

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4-Quinolone and 4H-thiochromen-4-one derivatives are readily synthesized in a tandem one-pot manner in good to excellent yields. Starting from (Z)-β-chlorovinyl ketones, an intermolecular nucleophilic addition of amines or sodium hydrogen sulfide to (Z)-β-chlorovinyl ketones was followed by elimination of chlorine anion to give Z-enamine or thioenol intermediates, which can be transformed to 4-quinolone or 4H-thiochromen-4-one products through intramolecular SNAr reaction, respectively.

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37

Thin, Ei Ei, Pitikarn Kanjanapruk, Kanawan Pochanakom, and Sathit Niratisai. "One-Pot Two-Step Microwave-Assisted Synthesis of 4-(Hydroxy-(1<i>H</i>-1,2,3-Triazol-4-yl))Methyl Phenol Derivatives." Key Engineering Materials 914 (March 21, 2022): 123–28. http://dx.doi.org/10.4028/p-76k3c2.

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A one-pot two-step microwave-assisted reaction was developed as key steps for the synthesis of 4-(hydroxy-(1H-1,2,3-triazol-4-yl))methyl phenol derivatives, 7a-g. The reaction steps involved in situ generations of azides, 5a-g which were further coupled with alkyne to undergo a cycloaddition reaction, under microwave heating at 70 °C, 15 min to generate 1,4 disubstituted 1,2,3-triazole compounds, 6a-g. These two reactions occurred in the same vial and so we call “one-pot two-step” synthesis. In such a method, the alkyl and arylalkyl azides were generated in a safe manner under microwave irradi

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38

Zhou, Dan-Ling, Hong Huang, and Yan Wang. "Sensitive and selective detection of nitrite ions with highly fluorescent glutathione-stabilized copper nanoclusters." Analytical Methods 9, no. 38 (2017): 5668–73. http://dx.doi.org/10.1039/c7ay02035j.

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Highly fluorescent glutathione stabilized Cu NCs were simply prepared in a one-pot manner. The Cu NCs can be applied as a robust probe for the determination of NO<sub>2</sub><sup>−</sup> in real water samples with high sensitivity and good recoveries.

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39

Habibi, Azizollah, Sahar Khosravi, Seyyed M. Shahcheragh, and Mohd B. Abdul Rahman. "One-Pot Green Synthesis of Some Novel N-Substituted 5-Amino-1,3,4- Thiadiazole Derivatives." Letters in Organic Chemistry 17, no. 7 (2020): 517–22. http://dx.doi.org/10.2174/1570178616666190926105533.

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In the current study, a green, one-pot, three-component reaction was performed to prepare novel N-substituted 5-amino-1,3,4-thiadiazole derivatives. The thiadiazoles were obtained from the reaction of a ketene S,S-acetal of Meldrum’s acid or barbituric acid (as key intermediates), hydrazine, and isothiocyanate. The key advantages of this manner include environmentally safe reactions, high yield, appropriate reaction time, simple reaction conditions, and use of a green reaction solvent. The structure of thiadiazoles was determined based on the spectroscopic data.

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40

Cinar, M. Emin, Bernward Engelen, Martin Panthöfer, Hans-Jörg Deiseroth, Jens Schlirf, and Michael Schmittel. "Scope and mechanism of the highly stereoselective metal-mediated domino aldol reactions of enolates with aldehydes." Beilstein Journal of Organic Chemistry 12 (April 27, 2016): 813–24. http://dx.doi.org/10.3762/bjoc.12.80.

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A one-pot transformation, which involves the reaction of ketones with aldehydes in the presence of metal halides to furnish tetrahydro-2H-pyran-2,4-diols in a highly diastereoselective manner, is investigated thoroughly by experiments and computations. The reaction was also successfully implemented on a flow micro reactor system.

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41

Inaba, Masanori, Tatsuya Sakai, Shun Shinada, et al. "Nucleophilic fluoroalkylation/cyclization route to fluorinated phthalides." Beilstein Journal of Organic Chemistry 14 (January 19, 2018): 182–86. http://dx.doi.org/10.3762/bjoc.14.12.

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Discribed in this article is a versatile and practical method for the synthesis of C3-perfluoroalkyl-substituted phthalides in a one-pot manner. Upon treatment of KF or triethylamine, 2-cyanobenzaldehyde reacted with (perfluoroalkyl)trimethylsilanes via nucleophilic addition and subsequent intramolecular cyclization to give perfluoroalkylphthalides in good yields.

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42

Motornov, Vladimir A., Andrey A. Tabolin, Roman A. Novikov, Yulia V. Nelyubina, Valentine G. Nenajdenko, and Sema L. Ioffe. "Fluoronitroalkenes in tandem [4 + 1]/[3 + 2]-cycloaddition: one-pot three-component assembly of fluorinated bicyclic nitroso acetals." Organic Chemistry Frontiers 5, no. 17 (2018): 2588–94. http://dx.doi.org/10.1039/c8qo00623g.

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43

Liu, Hui, Xiao-Feng Zhang, Jing-Zhao Cheng, Ai-Guo Zhong, He-Rui Wen та Shi-Yong Liu. "Novel Diketopyrrolopyrrole-Based π-Conjugated Molecules Synthesized Via One-Pot Direct Arylation Reaction". Molecules 24, № 9 (2019): 1760. http://dx.doi.org/10.3390/molecules24091760.

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Diketopyrrolopyrrole (DPP) is an important type of π-conjugated building block for high-performance organic electronic materials. DPP-based conjugated materials are usually synthesized via Suzuki, Stille, or Negishi cross-coupling reactions, which require organometallic precursors. In this paper, a series of novel phenyl-cored DPP molecules, including five meta-phenyl-cored molecules and four para-phenyl-cored molecules, have been synthesized in moderate to good yields, in a facile manner, through the Pd-catalyzed direct arylation of C–H bonds, and their optoelectrical properties have been inv

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44

Kokovina, Tatiana S., Svyatoslav Y. Gadomsky, Alexei A. Terentiev, and Nataliya A. Sanina. "A Novel Approach to the Synthesis of 1,3,4-Thiadiazole-2-amine Derivatives." Molecules 26, no. 17 (2021): 5159. http://dx.doi.org/10.3390/molecules26175159.

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The main purpose of the study was the development of a new method for synthesis of 1,3,4-thiadiazol-2-amine derivatives in a one-pot manner using the reaction between a thiosemicarbazide and carboxylic acid without toxic additives such as POCl3 or SOCl2. The reaction was investigated in the presence of polyphosphate ester (PPE). It was found that, in the presence of PPE, the reaction between the thiosemicarbazide and carboxylic acid proceeds in one-pot through three steps with the formation of corresponding 2-amino-1,3,4-thiadiazole. Using the developed approach five, 2-amino-1,3,4-thiadiazole

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45

Fershtat, Leonid L., Daniil A. Chaplygin, Ivan V. Ananyev, and Nina N. Makhova. "Divergent Synthesis of Five-Membered Nitrogen Heterocycles via Cascade Reactions of 4-Arylfuroxans." Synthesis 52, no. 18 (2020): 2667–78. http://dx.doi.org/10.1055/s-0040-1707393.

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A novel method for the synthesis of a diverse series of functionally substituted five-membered heterocyclic compounds via atom-economic, regio-, and diastereoselective one-pot reaction cascade was developed. This approach involves a ring opening in 4-arylfuroxans to α-oximinoarylacetonitrile oxides followed by [3+2] cycloaddition to various dipolarophiles to afford multisubstituted isoxazoles and isoxazolines. Subsequent azole–azole rearrangement of (oximino)isoxazolines/-isoxazoles, which can be conducted in a one-pot manner, results into functionally substituted furazans formation. The devel

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46

Narsaiah, A. Venkat, D. O. Biradar, Y. D. Mane, Y. P. Sarnikar, S. G. Kulkarni, and B. V. Subba Reddy. "Zn/ZnBr2 Catalysed Reaction of Aldehydes with Allylbromide: Synthesis of 2,6-Disubstituted 4-Bromotetrahydropyrans." SynOpen 06, no. 04 (2022): 263–69. http://dx.doi.org/10.1055/s-0042-1751374.

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AbstractAn efficient approach for the one-pot synthesis of 4-bromotetrahydropyrans in a highly diastereoselective manner via the alkynylation followed by Prins cyclisation is described. The method employs aldehydes and allyl bromide as reactants, with a Zn/ZnBr2 catalytic system in CH2Cl2. A variety of 2,6-disubstituted 4-bromotetrahydropyran derivatives were obtained in good yields.

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47

Fan, Bo, Jiacheng Ni, Qi Li, Yucai He, and Cuiluan Ma. "Enhanced Enzymatic Saccharification of Tomato Stalk by Combination Pretreatment with NaOH and ChCl:Urea-Thioure in One-Pot Manner." Processes 10, no. 10 (2022): 1905. http://dx.doi.org/10.3390/pr10101905.

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In this study, the mixture of NaOH and deep eutectic solvent (DES) ChCl:UA-TA was firstly used to pretreat waste tomato stalk (TS). The effects of pretreatment time, pretreatment temperature, NaOH dosage, and DES dose were investigated, and the synergistic effects of dilute NaOH and DES combination pretreatment were tested on the influence of enzymatic saccharification. It was found that the relationship between delignification and saccharification rate had a significant linear correction. When TS was pretreated with NaOH (7 wt%)–ChCl:UA-TA (8 wt%) in a solid-to-liquid ratio of 1:10 (wt:wt) at

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48

Hattori, Tomohiro, Shun Ueda, Ryoya Takakura, Yoshinari Sawama, Yasunari Monguchi, and Hironao Sajiki. "Heterogeneous One-Pot Carbonylation and Mizoroki-Heck Reaction in a Parallel Manner Following the Cleavage of Cinnamaldehyde Derivatives." Chemistry - A European Journal 23, no. 34 (2017): 8196–202. http://dx.doi.org/10.1002/chem.201606048.

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Hattori, Tomohiro, Shun Ueda, Ryoya Takakura, Yoshinari Sawama, Yasunari Monguchi, and Hironao Sajiki. "Heterogeneous One-Pot Carbonylation and Mizoroki-Heck Reaction in a Parallel Manner Following the Cleavage of Cinnamaldehyde Derivatives." Chemistry - A European Journal 23, no. 34 (2017): 8103. http://dx.doi.org/10.1002/chem.201701484.

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Madhavachary, Rudrakshula, Rosy Mallik, and Dhevalapally B. Ramachary. "Organocatalytic Enantiospecific Total Synthesis of Butenolides." Molecules 26, no. 14 (2021): 4320. http://dx.doi.org/10.3390/molecules26144320.

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Biologically important, chiral natural products of butenolides, (−)-blastmycinolactol, (+)-blastmycinone, (−)-NFX-2, (+)-antimycinone, lipid metabolites, (+)-ancepsenolide, (+)-homoancepsenolide, mosquito larvicidal butenolide and their analogues were synthesized in very good yields in a sequential one-pot manner by using an organocatalytic reductive coupling and palladium-mediated reductive deoxygenation or organocatalytic reductive coupling and silica-mediated reductive deamination as the key steps.

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