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Journal articles on the topic 'Ketoanilides'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Sun, Dianqing, and Allan Prior. "Scope and Optimization of the Double Knorr Cyclization: Synthesis of Novel Symmetrical and Unsymmetrical Tricyclic 1,8-Diazaanthraquinones." Synthesis 50, no. 04 (2017): 859–71. http://dx.doi.org/10.1055/s-0036-1589134.

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The Knorr cyclization of β-ketoanilides to form 2-quinolones in the presence of acid is well documented chemistry. Double Knorr cyclization is rare, with very few examples appearing in the literature to date. The double Knorr methodology can provide access to tricyclic 1,8-diazaanthraquinones, a scaffold seen in the diazaquinomycin family. The optimized synthesis of diazaquinomycin A and structural analogues thereof via double Knorr cyclization of di-β-ketoanilide precursor substrates is reported. The scope and generality of the double Knorr cyclization were investigated along with an optimiza

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2

K., Krisbnankutty, та Basbeer Ummathur Muhammed. "Metal complexes of unsaturated β-ketoanilides". Journal of Indian Chemical Society Vol. 83, Sep 2006 (2006): 883–87. https://doi.org/10.5281/zenodo.5829939.

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Department of Chemistry, University of Calicut, Calicut-673 635, Kerala, India Department of Chemistry, Unity Women's College, Manjeri-676 122, Kerala, India E-mail: mbummathur@rediffmail.com <em>Manuscript received 31 March 2006, accepted 8 June 2006</em> A new series of β-ketoanilides,in which the keto group attached to olefinic linkage have been synthesized by the reaction of acetoacetanilide and aromatic aldehydes under specified conditions. The existence of these β-ketoanilides predominantly in the intramolecularly hydrogen bonded enol form has been well demonstrated fr

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3

Milad Mohareb, Rafat, Adiba Habashi, Nadia Sobhy Ibraheim, Sherif Mourad Sherif, and Hoda Zaki Shams. "The Chemistry and Synthetic Potentialities of b-Ketoanilides: Reaction of Ethyl Cyanoacetate with b-Ketoanilides." HETEROCYCLES 24, no. 9 (1986): 2463. http://dx.doi.org/10.3987/r-1986-09-2463.

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4

Roy, Dipanwita, Satinath Sarkar, Radha M. Laha, Nabyendu Pramanik, and Dilip K. Maiti. "Ni(0)–Cu(i): a powerful combo catalyst for simultaneous coupling and cleavage of the C–N bond with cyclization to valuable amide-based pyrroles and 4-pyridones." RSC Advances 5, no. 90 (2015): 73346–51. http://dx.doi.org/10.1039/c5ra12115a.

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We demonstrate unprecedented Ni(0)–Cu(i) combo catalysis for sequential bond activated domino N–C/C–C coupled annulation with N–C bond cleavage to afford valuable amide-based polysubstituted pyrroles and 4-pyridones selectively from β-ketoanilides.

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5

M., S. EL-HOSSINI, M. KHALIL A., I. OSMAN A. та Z. EL-ABLAC F. "Synthesis and some Reactions of β-Ketoanilides". Journal of Indian Chemical Society Vol. 65, Sep 1988 (1988): 636–39. https://doi.org/10.5281/zenodo.6042227.

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Chemistry Department, Faculty of Science, Damietta, Mansoura University, Egypt <em>Manuscript received 21 February 1988. accepted 3 June 1988</em> 2,6-Diarylidenecyclohexanones react with acetoacetanilides in a Michael conden sation to give the corresponding β-ketoanilides. The synthesis of a series of com pounds is described. Their structures were confirmed by analytical, ir and nmr spectral data.

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6

M., S. EL-HOSSINI, M. KHALIL A., A. EL-AGAMEY A., and Z. EL-ABLAC F. "Synthesis of some New Polycyclic Pyrazolinone Derivatives." Journal Of India Chemical Society Vol.66, April 1989 (1989): 243·245. https://doi.org/10.5281/zenodo.5948466.

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Faculty of Science, Damietta, Mansoura. University, Egypt <em>Manuscript received 7 July 1988, revised 27 December 1988, accepted 19 January 1989</em> Treatment of <em>ß</em>-ketoanilides (1a- c) with hydrazine in acetic acid affords the corresponding 6-napthalinopyrazolinones (2a-c). The synthesis of a series of substituted- napthalinopyrazolinones is described. Structures of all the compounds were confirmed by elemental analysis, ir and nmr spectral data.

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7

Saad, Gamal R., Magdi M. Naoum, and Hanna A. Rizk. "Dielectric polarization and molecular interaction. Part II. Acetylacetone, benzoylacetone, and dibenzoylmethane – triethyl amine – cyclohexane systems." Canadian Journal of Chemistry 67, no. 2 (1989): 284–88. http://dx.doi.org/10.1139/v89-047.

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A modified form of Few and Smith equation applicable to dilute solutions of acetylacetone, benzoylacetone, and dibenzoylmethane in constant-ratio mixtures of triethylamine in cyclohexane is confirmed. The changes in dielectric polarization of diketones with amine concentration in the mixed solvents are used to deduce the equilibrium constants of the association process, and the dipole moments of the complexes formed. Further, an inference is made of the relative polarities of the keto and enol tautomers of these diketones, and of the ketoanilides previously investigated (1). Keywords: dielectr

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8

Ummathur, M. B., and K. Krishnankutty. "Synthesis and characterization of some conjugated ketoanilides and their metal complexes." Russian Journal of Coordination Chemistry 34, no. 7 (2008): 504–12. http://dx.doi.org/10.1134/s1070328408070051.

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9

Matsunaga, S., M. Shibasaki та Y. Xu. "Dinuclear Nickel Catalyst in 1,4-Addition of α-Ketoanilides to Nitroalkenes". Synfacts 2010, № 09 (2010): 1040. http://dx.doi.org/10.1055/s-0030-1257957.

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10

Mo, Shanyan, Zhanhui Yang та Jiaxi Xu. "Aqueous Copper Nitrate Catalyzed Synthesis of 3-Alkylideneoxindoles from α-Diazo-β-ketoanilides". European Journal of Organic Chemistry 2014, № 18 (2014): 3923–29. http://dx.doi.org/10.1002/ejoc.201402206.

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11

Chan, Wai-Wing, Tsz-Lung Kwong та Wing-Yiu Yu. "Ruthenium-catalyzed intramolecular cyclization of diazo-β-ketoanilides for the synthesis of 3-alkylideneoxindoles". Organic & Biomolecular Chemistry 10, № 18 (2012): 3749. http://dx.doi.org/10.1039/c2ob06985g.

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12

Xu, Yingjie, Shigeki Matsunaga та Masakatsu Shibasaki. "syn-Selective Catalytic Asymmetric 1,4-Addition of α-Ketoanilides to Nitroalkenes under Dinuclear Nickel Catalysis". Organic Letters 12, № 14 (2010): 3246–49. http://dx.doi.org/10.1021/ol101185p.

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13

Mohareb, R. M., and N. S. Ibrahim. "The knoevenagel reaction of cyanoacetamide with ?-ketoanilides: Synthesis of polyfunctionally substituted pyridine and coumarine derivatives." Journal f�r Praktische Chemie 331, no. 3 (1989): 387–92. http://dx.doi.org/10.1002/prac.19893310305.

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14

Mo, Shanyan, Zhanhui Yang та Jiaxi Xu. "ChemInform Abstract: Aqueous Copper Nitrate Catalyzed Synthesis of 3-Alkylideneoxindoles from α-Diazo-β-ketoanilides." ChemInform 46, № 8 (2015): no. http://dx.doi.org/10.1002/chin.201508179.

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15

Chan, Wai-Wing, Tsz-Lung Kwong та Wing-Yiu Yu. "ChemInform Abstract: Ruthenium-Catalyzed Intramolecular Cyclization of Diaza-β-ketoanilides for the Synthesis of 3-Alkylideneoxindoles." ChemInform 43, № 39 (2012): no. http://dx.doi.org/10.1002/chin.201239121.

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16

Xu, Yingjie, Shigeki Matsunaga та Masakatsu Shibasaki. "ChemInform Abstract: syn-Selective Catalytic Asymmetric 1,4-Addition of α-Ketoanilides to Nitroalkenes under Dinuclear Nickel Catalysis." ChemInform 41, № 49 (2010): no. http://dx.doi.org/10.1002/chin.201049049.

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17

N., Raman. "Synthesis and spectral characterization of Knoevenagel condensate β-ketoanilide and its transition metal(II) complexes". Journal of Indian Chemical Society Vol. 84, Jan 2007 (2007): 29–33. https://doi.org/10.5281/zenodo.5810247.

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Department of Chemistry, VHNSN College, Virudhunagar-626 001, Tamilnadu, India E-<em>mail</em> : drn_raman@yahoo.co.in <em>Manuscript received 8 September 2006, revised 31 October 2006, accepted 3 November 2006</em> A new type of Knoevenagel condensate ligand derived from cinnamaldehyde and (β-ketoanilidc (acetoacctanilidc) and some of its transition metal(II) complexes have been synthesized. The structm·al features have been dctennincd from their microanalytical, magnetic susceptibility, lR, UV-Vis, <sup>1</sup>H NMR, ESR and mass spectral data. An octahedral geometry is assigned

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18

Malhas, Rana N., Nouria A. Al-Awadi, and Osman M. E. El-Dusouqui. "Kinetics and mechanism of gas-phase pyrolysis ofN-aryl-3-oxobutanamide ketoanilides, their 2-arylhydrazono derivatives, and related compounds." International Journal of Chemical Kinetics 39, no. 2 (2006): 82–91. http://dx.doi.org/10.1002/kin.20220.

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19

Xu, Yingjie, Gang Lu, Shigeki Matsunaga та Masakatsu Shibasaki. "Directanti-Selective Catalytic Asymmetric Mannich-Type Reactions of α-Ketoanilides for the Synthesis of γ-Amino Amides and Azetidine-2-amides". Angewandte Chemie International Edition 48, № 18 (2009): 3353–56. http://dx.doi.org/10.1002/anie.200900670.

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20

Xu, Yingjie, Gang Lu, Shigeki Matsunaga та Masakatsu Shibasaki. "Directanti-Selective Catalytic Asymmetric Mannich-Type Reactions of α-Ketoanilides for the Synthesis of γ-Amino Amides and Azetidine-2-amides". Angewandte Chemie 121, № 18 (2009): 3403–6. http://dx.doi.org/10.1002/ange.200900670.

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21

Sankhla, B. S., Shakuntala Mathur та Megh Singh. "β-Ketoanilide Derivatives of Lanthanides". Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 15, № 5 (1985): 627–35. http://dx.doi.org/10.1080/00945718508061428.

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22

Athappan, PR, S. Sevagapandian та G. Rajagopal. "Synthesis and Structure of β-Ketoanilide Metal(II) Complexes". Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 26, № 4 (1996): 647–67. http://dx.doi.org/10.1080/00945719608004768.

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23

K., Krishnankutty, and Basheer Ummathu Muhammed. "Metal complexes of 1-phenylamino-7 -phenyl-4,6-heptadiene-1,3-dione and its Schiff's base." Journal of Indian Chemical Society Vol. 83, Jul 2006 (2006): 663–67. https://doi.org/10.5281/zenodo.5820951.

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Department of Chemistry, University of Calicut, Calicut-673 635, Kerala, India Department of Chemistry, Unity Women's College, Manjeri-676 122, Kerala, India E-mail : mbummathur@rediffmail.com <em>Manuscript received 17 February 2006, accepted 24 April 2006</em> A new type of conjugated β-ketoanilide and its Schiff's base with the keto group attached to olefinic linkage has been synthesized by the reaction of acetoacetanilide and cinnamaldehyde under specified conditions. The existence of these compounds predominantly in the intramolecularly hydrogen bonded enol form has been well

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24

Kondoh, Azusa, Takuma Aoki та Masahiro Terada. "Intramolecular Cyclization of Alkynyl α-Ketoanilide Utilizing [1,2]-Phospha-Brook Rearrangement Catalyzed by Phosphazene Base". Organic Letters 16, № 13 (2014): 3528–31. http://dx.doi.org/10.1021/ol501479t.

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25

Kondoh, Azusa, Takuma Aoki та Masahiro Terada. "ChemInform Abstract: Intramolecular Cyclization of Alkynyl α-Ketoanilide Utilizing [1,2]-Phospha-Brook Rearrangement Catalyzed by Phosphazene Base." ChemInform 45, № 52 (2014): no. http://dx.doi.org/10.1002/chin.201452149.

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26

HABASHI, A., N. S. IBRAHEIM, S. M. SHERIF, H. Z. SHAMS та R. M. MOHAREB. "ChemInform Abstract: The Chemistry and Synthetic Potentialities of β-Ketoanilides: Reaction of Ethyl Cyanoacetate with β-Ketoanilides." ChemInform 18, № 8 (1987). http://dx.doi.org/10.1002/chin.198708217.

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27

Maity, Sujit, та Niranjan Panda. "Synthesis of Furans fromβ‐Ketoanilides using Ethylene Glycol as C2‐Precursor". Asian Journal of Organic Chemistry, 16 січня 2025. https://doi.org/10.1002/ajoc.202400706.

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A transition‐metal‐free oxidative method to synthesize substituted furans from β‐ketoanilides and vicinal diols was reported. This approach accommodates a wide range of functional groups (e.g., halogens, methoxy, methyl, nitro) and enables the regioselective formation of 2,3‐disubstituted and 2,3,5‐trisubstituted furans via base‐promoted oxidative C‐C and C‐O bond formation. Additionally, substituted pyrroles were synthesized regioselectively from β‐ketoenamines using ethylene glycol as a C2 precursor.

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28

MOHAREB, R. M., та N. S. IBRAHIM. "ChemInform Abstract: The Knoevenagel Reaction of Cyanoacetamide with β-Ketoanilides: Synthesis of Polyfunctionally Substituted Pyridine and Coumarine Derivatives." ChemInform 20, № 52 (1989). http://dx.doi.org/10.1002/chin.198952187.

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29

Xu, Yingjie, Gang Lu, Shigeki Matsunaga та Masakatsu Shibasaki. "ChemInform Abstract: Direct anti-Selective Catalytic Asymmetric Mannich-Type Reactions of α-Ketoanilides for the Synthesis of γ-Amino Amides and Azetidine-2-amides." ChemInform 40, № 35 (2009). http://dx.doi.org/10.1002/chin.200935085.

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