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Synthesis of the Coumarins via Pechmann Method in the Presence of Environmentally Friendly Y(NO 3 ) 3 ×6H 2 O
Author(s) -
Karami Bahador,
Kiani Mahtab
Publication year - 2014
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.201200610
Subject(s) - chemistry , yield (engineering) , environmentally friendly , phenol , catalysis , phenols , organic chemistry , solvent , lewis acid catalysis , coumarin , lewis acids and bases , ecology , materials science , metallurgy , biology
Several substituted coumarins can be prepared in high yield and purity by direct reaction of β‐keto esters and phenol derivatives in the presence of a catalytic amount Y(NO 3 ) 3 ×6H 2 O as Lewis acid and at ambient temperature under solvent‐free conditions.
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