Synthesis of 5-oxa-13-thiaprotoberberine derivatives

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Abstract

With phosgene or aliphatic aldehydes, 6,7-dimethoxy-2-(2-hydroxyphenyl)-3,4-dihydro-2H-1,3-benzothiazine afforded novel 10,11-dimethoxy-6H,8H,13aH[1,3]benzoxazino[4,3-b][1,3]benzothiazine derivatives, members of a new heterocyclic ring system.

Original languageEnglish
Pages (from-to)2381-2384
Number of pages4
JournalHeterocycles
Volume26
Issue number9
Publication statusPublished - Sep 1 1987

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ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry

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