Yu Ma
2000
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0
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Journal
Science & Technology in Chemical Industry
Abstract
P methoxyphenyl) 7 methoxy 1 hydroxy 3 naphthalenecarbonylic acid is a new pharmaceutical intermediate.It was synthesized from equimalar anisole and anisole acid enpenienced Friedal Crafts reaction to produce 4,4′ dimethoxybenzophenone which then through Condensation with diethyl succinate,dehy dration,Friedal Crafts cyclization,hydrolysis under catalytic amount of quaternary ammonium salt,had a yield of 41.9% by the Purity of 99.7%.