Fused heterocycles, VI: Reactions of 3-arylidenechromanones and -1-thiochromanones with thiourea

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Abstract

Reactions of 3-arylidenechromanones (1 - 4) and -1-thiochromanones (5 - 8) with thiourea gave thiazines (9 - 16) under acidic and pyrimidine derivatives (17 - 21) under alkaline reaction conditions

Original languageEnglish
Pages (from-to)691-695
Number of pages5
JournalMonatshefte für Chemie Chemical Monthly
Volume122
Issue number8-9
DOIs
Publication statusPublished - Aug 1 1991

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Keywords

  • Benzopyrano[4,3-d]-3,1-thiazines
  • Benzopyrano[4,3-d]pyrimidines
  • Benzothiopyrano[4,3-d]-3,1-thiazines
  • Benzothiopyrano[4,3-d]pyrimidines

ASJC Scopus subject areas

  • Chemistry(all)

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