An h-1, c-13 and n-15 nmr study of the paal-knorr condensation of acetonylacetone with primary amines

Alan R. Katritzky; Taher I. Yousaf; Ban Chi Chen; Zeng Guang-Zhi

doi:10.1016/S0040-4020(01)87462-7

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An h-1, c-13 and n-15 nmr study of the paal-knorr condensation of acetonylacetone with primary amines

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An h-1, c-13 and n-15 nmr study of the paal-knorr condensation of acetonylacetone with primary amines

Alan R. Katritzky, Taher I. Yousaf, Ban Chi Chen and Zeng Guang-Zhi

Tetrahedron, Vol.42(2), pp.623-628

1986

DOI: https://doi.org/10.1016/S0040-4020(01)87462-7

Abstract

The reaction of primary amines with acetonylacetone is shown by H-1, C-13 and N-15 NMR spectroscopy to proceed to the N -substituted -2, 5-dimethylpyrroles via the intermediacy of N -substituted imines. Increased steric hindrance reduces rates of imine formation and decay.

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Title: An h-1, c-13 and n-15 nmr study of the paal-knorr condensation of acetonylacetone with primary amines
Creators - without role: Alan R. Katritzky - University of Florida
Taher I. Yousaf - University of Florida
Ban Chi Chen
Zeng Guang-Zhi - Institute of organic chemistry, academia sinica, 345 Linglin LU, ShanghaiChina
Publication Details: Tetrahedron, Vol.42(2), pp.623-628
Publisher: Elsevier Ltd
Identifiers: 9934488908331
Academic Unit: King Abdulaziz University
Language: English
Resource Type: Journal article