Synthesis of some new isoxazolylacetic acid derivatives

Zsuzsanna Gombos, József Nyitrai, Gábor Doleschall, Pál Kolonits, László Párkányi, Alajos Kálmán

Research output: Contribution to journalArticle

13 Citations (Scopus)


(3-Chloroisoxazol-5-yl)acetic acid 1, a known acylating agent, useful for the synthesis of semi-synthetic cephalosporins was synthesized by a new route. Several α-substituted 3-chloroisoxazolylacetic acids 9a, b; 10a, b and 15, potential acylating agents for semi-synthetic β-lactams, were also prepared. The (E)-and (Z)-3-chloro-α-methoxyiminoisoxazol-5-ylacetic acids 10a, b were separated and their structures unambiguously determined by 1H NMR spectroscopic and X-ray measurements.

Original languageEnglish
Pages (from-to)139-144
Number of pages6
JournalJournal of the Chemical Society, Perkin Transactions 1
Issue number1
Publication statusPublished - Jan 1 1993

ASJC Scopus subject areas

  • Chemistry(all)

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