Reaction products from 4-phenylbut-3-yn-2-one and aliphatic diamines or 2-aminoethanethiol, and from 2-aminoethanethiol and some αβ-enones

Olga H. Hankovszky, Kálmán Hideg, Douglas Lloyd

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Abstract

4-Phenylbut-3-yne-2-one reacts with αω-diamino-ethane and -propane either by condensation or by conjugate addition, dependant on the reaction conditions, but cyclisation products were not obtained. 2-Aminoethanethiol reacts with this ynone by conjugate addition of the amino-group, with benzylideneacetone to give a tetrahydrothiazepine, and with chalcone to give mono- or bis-conjugate addition products.

Original languageEnglish
Pages (from-to)1619-1621
Number of pages3
JournalJournal of the Chemical Society, Perkin Transactions 1
Publication statusPublished - Dec 1 1974

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ASJC Scopus subject areas

  • Chemistry(all)

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