Stereospecificity of a New Reaction of L-Ascorbic Acid with Cis and Trans Olefinic 1,4-Dicarbonyl Compounds

Gabor Fodor, Kawporn Sussangkarn, Hansie Mathelier, Kang Fang, Regina Arnold, Judith Flippen-Anderson, Isabella Karle

研究成果: 雜誌貢獻期刊論文同行評審

18 引文 斯高帕斯(Scopus)

摘要

The Michael-type addition of the ascorbate carbanion upon α,β-unsaturated carbonyl compounds is compared with the aldol-like addition of the same carbanion to the related 1,4-dioxo olefins. In contrast to the behavior of maleic aldehyde and 3-acetylacrolein that leads to 4, the primary aldol adduct of 1 to fumaric aldehyde is stabilized by internal Michael addition as a tetracyclic lactone–cycloketal hemiacetal (6). This structure is based on 13C NMR, 1H NMR, and ultimately X-ray crystallographic work.

原文英語
頁(從 - 到)3148-3150
頁數3
期刊Journal of Organic Chemistry
51
發行號16
DOIs
出版狀態已發佈 - 1986 一月 1

ASJC Scopus subject areas

  • 有機化學

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