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Synthesis of 2‐Aryl‐3‐hydroxy‐4,9‐dihydrocyclohepta[ b ]pyran‐4,9‐diones
Author(s) -
Jin YoungZhi,
Jin ZhongTian,
Imafuku Kimiaki
Publication year - 1991
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.5570280349
Subject(s) - tropolone , chemistry , pyran , aryl , alkali metal , organic chemistry , medicinal chemistry , alkyl
3‐(2‐Bromoacetyl)tropolone ( 1 ) reacted with benzaldehydes 2a‐g in the pressence of alkali at low temperature to give 2‐aryl‐3‐hydroxy‐4,9‐dihydrocyclohepta[ b ]pyran‐4,9‐diones 3a‐g in good yields.