Academic literature on the topic 'Benzylideneaminothiazol- 4(5H)-ones'

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Journal articles on the topic "Benzylideneaminothiazol- 4(5H)-ones"

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Sharad, K. Awate, V. Patil Suresh, S. Dhivare Ravindra, and G. Khanapure Renukacharya. "Microwave-Assisted Synthesis, Characterization and Antimicrobial Potencies of N-Substituted Iminothiazodin-4-One Derivatives." International Journal of Research in Pharmaceutical Sciences 11, no. 1 (2020): 589–95. https://doi.org/10.26452/ijrps.v11i1.1861.

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<strong>Abstract</strong> The biggest and most multifaceted class of organic compounds includes heterocyclic compounds. Currently, several heterocyclic compounds are identified, and persistently gratefulness to tremendous synthetic work and synthetic usefulness, the number is increasing exponentially. In most fields of science, including medicinal, pharmaceutical, and agro-chemistry, heterocyclic compounds have a function, and biochemistry is also another area. In this research article, the green approach is administered for achieving the nitrogen, oxygen, and sulphur centered five-membered he
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Mielgo, Antonia, and Claudio Palomo. "1H-Imidazol-4(5H)-ones and thiazol-4(5H)-ones as emerging pronucleophiles in asymmetric catalysis." Beilstein Journal of Organic Chemistry 12 (May 9, 2016): 918–36. http://dx.doi.org/10.3762/bjoc.12.90.

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Asymmetric catalysis represents a very powerful tool for the synthesis of enantiopure compounds. In this context the main focus has been directed not only to the search for new efficient chiral catalysts, but also to the development of efficient pronucleophiles. This review highlights the utility and first examples of 1H-imidazol-4(5H)-ones and thiazol-4(5H)-ones as pronucleophiles in catalytic asymmetric reactions.
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Toplak, Renata, Jurij Svete, Simona Golič Grdadolnik, and Branko Stanovnik. "Methyl (Z)-2-[(Benzyloxycarbonyl)amino]-3-dimethyl- aminopropenoate in the Synthesis of Heterocyclic Systems. Synthesis of (Benzyloxycarbonyl)amino Substituted Fused Pyrimidinones." Collection of Czechoslovak Chemical Communications 64, no. 2 (1999): 177–89. http://dx.doi.org/10.1135/cccc19990177.

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Methyl (Z)-2-[(benzyloxycarbonyl)amino]-3-dimethylaminopropenoate (1) was used as a reagent for preparation of 3-[(benzyloxycarbonyl)amino] substituted 4H-pyrido[1,2-a]pyrimidin-4-ones 17-21, 4H-pyrimido[1,2-b]pyridazin-4-ones 22 and 23, 5H-[1,2,4]triazolo[2,3-a]- pyrimidin-5-one 24, 5H-thiazolo[3,2-a]pyrimidin-5-one 25, and 4H-pyrazino[1,2-a]pyrimidin-4-one 26. Removal of the benzyloxycarbonyl group by catalytical transfer hydrogenation with Pd/C in the presence of cyclohexene is selective to give 3-amino-4H-pyrido[1,2-a]- pyrimidin-4-ones 27-30 in 85-92% yields, or with hydrogen bromide in a
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Chiba, Arisa, Ryoko Tanaka, Mayuno Hotta, et al. "Stereochemistry of N-Acyl-5H-dibenzo[b,d]azepin-7(6H)-ones." Molecules 28, no. 12 (2023): 4734. http://dx.doi.org/10.3390/molecules28124734.

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The stereochemical properties of N-acyl-5H-dibenzo[b,d]azepin-7(6H)-ones (2a–c), which inhibit potassium channels in T cells, were examined by freezing their conformational change due to 4-methyl substitution. N-Acyl-5H-dibenzo[b,d]azepin-7(6H)-ones exist as pairs of enantiomers [(a1R, a2R), (a1S, a2S)], and each atropisomer is separable at room temperature. An alternate procedure for preparing 5H-dibenzo[b,d]azepin-7(6H)-ones involves the intramolecular Friedel–Crafts cyclization of N-benzyloxycarbonylated biaryl amino acids. Consequently, the N-benzyloxy group was removed during the cyclizat
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Yan, Yan-Mei, Hao-Yang Li, Min Zhang, et al. "One-Pot Synthesis of [1,2,3]Triazolo[1,5-a]quinoxalin-4(5H)-ones by a Metal-Free Sequential Ugi-4CR/Alkyne–Azide Cycloaddition Reaction." Synlett 31, no. 01 (2019): 73–76. http://dx.doi.org/10.1055/s-0037-1610737.

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A convenient and one-pot approach to prepare [1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-ones by a metal-free sequential Ugi-4CR/alkyne–azide cycloaddition reaction has been developed. The reaction of 2-azidobenzenamines, aldehydes, propiolic acids, and isocyanides produced the Ugi adducts, which were transformed to the [1,2,3]triazolo[1,5-a]quinoxalin-4(5H)-ones in moderate to good yields via alkyne–azide cycloaddition reaction.
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Wang, Mingan, Zhao Yu, Liu Xinlei, Wang Weiwei, and Geng Rui. "Cs2CO3-Promoted C-3 Alkylation of 4-[(2,2-Difluoroethyl)amino]-5,5-disubstituted Furan-2(5H)-ones with Heteroarylmethyl Chlorides." Synthesis 50, no. 20 (2018): 4055–62. http://dx.doi.org/10.1055/s-0037-1609548.

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4-(2,2-Difluoroethylamino)-3-(heteroarylmethyl)-5,5-disubstituted furan-2(5H)-ones were regioselectively synthesized via C-3 alkylation of 4-(2,2-difluoroethylamino)-5,5-disubstituted furan-2(5H)-ones with heteroarylmethyl chlorides using Cs2CO3 as a base in 62–85% yields. Their structures were characterized by 1H and 13C NMR, HRMS (ESI), and X-ray diffraction. This C-alkylation selectivity was rationalized by bulky hindrance and electron-withdrawing effects.
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Hodgetts, Kevin J., and Mark T. Kershaw. "Synthesis of 2-Aryl-oxazolo[4,5-c]quinoline-4(5H)-ones and 2-Aryl-thiazolo[4,5-c]quinoline-4(5H)-ones." Organic Letters 5, no. 16 (2003): 2911–14. http://dx.doi.org/10.1021/ol0350285.

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Zhu, Bo, Shuai Qiu, Jiangtao Li, Michelle L. Coote, Richmond Lee, and Zhiyong Jiang. "Asymmetric [4 + 2] annulation of 5H-thiazol-4-ones with a chiral dipeptide-based Brønsted base catalyst." Chemical Science 7, no. 9 (2016): 6060–67. http://dx.doi.org/10.1039/c6sc02039a.

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Fang, Y., and G. K. Tranmer. "Expedited access to thieno[3,2-c]quinolin-4(5H)-ones and benzo[h]-1,6-naphthyridin-5(6H)-ones via a continuous flow photocyclization method." Organic & Biomolecular Chemistry 14, no. 46 (2016): 10799–803. http://dx.doi.org/10.1039/c6ob02279k.

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Nayak, Swarnagowri, and Santosh L Gaonkar. "A NEW MICROWAVE-ASSISTED METHOD FOR THE SYNTHESIS OF 2-SUBSTITUTED-THIAZOL-4(5H)-ONE VIA HANTZSCH CONDENSATION." Rasayan Journal of Chemistry 15, no. 01 (2022): 310–15. http://dx.doi.org/10.31788/rjc.2022.1516578.

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A new microwave-assisted method is developed for the synthesis of 2-substituted-thiazol-4(5H)-ones via Hantzsch condensation by a simple experimental protocol without using any catalyst. The products were isolated in excellent yield without any purification. Synthesized compounds were characterized by applying FTIR, 1H NMR, 13C NMR, and mass spectral studies and a plausible mechanism is proposed for the formation of the product. The method is versatile for the preparation of a new class of 2-substituted-thiazol-4(5H)-ones.
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Dissertations / Theses on the topic "Benzylideneaminothiazol- 4(5H)-ones"

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Langle, Sandrine. "Synthèse et réactivité de systèmes insaturés dihalogénés : applications en synthèse organique." Tours, 2004. http://www.theses.fr/2004TOUR4028.

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L'étude de la réactivité régio- et stéréosélective du bromure de bromobenzyle nous a permis de synthétiser des motifs styréniques métallés par un bras espaceur de 1 à 3 atomes de carbone ainsi que des motifs bis-aryles en présence de sels de palladuim (catalyse de type Stille ou Suzuki). La synthèse régio- et stéréosélective d'acides et dérivés insaturés β,γ- ou α,β- dihalogénés équivalents à des systèmes tris-électrophiles nous a conduit à étudier la réactivité de ces synthons. L'étude de la réactivité par catalyse palladiées d'acides insaturés β,γ-dihalogénés à conduit à la formation d'acide
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Book chapters on the topic "Benzylideneaminothiazol- 4(5H)-ones"

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Theodoridis, George, Frederick W. Hotzman, Lynn W. Scherer, Bruce A. Smith, John M. Tymonko, and Michael J. Wyle. "Design and Synthesis of 1-Aryl-4-substituted-1,4-dihydro-5H-tetrazol-5-ones." In Synthesis and Chemistry of Agrochemicals III. American Chemical Society, 1992. http://dx.doi.org/10.1021/bk-1992-0504.ch013.

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