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DBU-mediated regioselective intramolecular cyclization/dehydration of ortho diketo phenoxyethers: a synthesis of 2,3-substituted γ-benzopyranones

Author:
Bensulong, Sofia, Boonsombat, Jutatip, Ruchirawat, Somsak
Source:
Tetrahedron 2013 v.69 pp. 9335-9348
ISSN:
0040-4020
Subject:
chemical reactions, chemical structure, organic compounds
Abstract:
The regioselective cyclization/dehydration sequence of ortho diketo phenoxyethers induced by DBU has been explored. The results demonstrated a high degree of selectivity with preference for 6-exo-trig cyclization leading to the formation of γ-benzopyranone derivatives in good yield.
Agid:
1096753