Synthesis and stereochemistry of stereoisomeric 1,3‐benzoxazino‐1,3‐ and ‐3,1‐benzoxazines

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Abstract

Partly saturated 3,1‐benzoxazino[1,2‐c][1,3]benzoxazines and 1,3‐benzoxazino[3,2‐c][1,3]benzoxazines were prepared in one‐pot syntheses from different cyclic 1,3‐aminoalcohols by treatment with salicylaldehyde or 5‐bromosalicylaldehyde, followed by formaldehyde. The structures of tetracycles 3a and 5 were determined by means of X‐ray diffraction.

Original languageEnglish
Pages (from-to)1213-1218
Number of pages6
JournalJournal of Heterocyclic Chemistry
Volume28
Issue number5
DOIs
Publication statusPublished - 1991

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ASJC Scopus subject areas

  • Organic Chemistry

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