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Structural reassignment of the dehydration product of 2′‐Hydroxywarfarin
Author(s) -
Porter William H.,
Trager William F.
Publication year - 1977
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570140232
Subject(s) - chemistry , dehydration , acetone , benzopyran , product (mathematics) , condensation , stereochemistry , organic chemistry , biochemistry , physics , geometry , mathematics , thermodynamics
The base catalyzed condensation reaction between 4‐hydroxycoumarin and o‐hydroxybenzal‐acetone yields 6‐methyl‐6,12‐methano‐6 H ,12 H ,13 H ‐[1]benzopyran[4,3‐ d ][1,3]benzodioxocin‐13‐one as the product rather than 6‐oxo‐7‐(2‐oxopropyl)‐6 H , 7 H ‐[1]benzopyrano[4,3‐ b ][1]‐benzopyran as had been previously postulated.
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