ChemInform Abstract: New Substituted Der
โ
F. POCHAT; P. L'HARIDON
๐
Article
๐
2010
๐
John Wiley and Sons
โ 29 KB
๐ 1 views
New Substituted Derivatives of Benzopyran and Chromone. -It is shown that bromocrotononitrile readily undergoes a cyclization reaction with ortho-carbonylated (I) or carboxylated phenols (V), leading to benzopyrans (III) and (IV) or chromones (VII) with a captodative substitution. -(POCHAT,