A METHOD FOR THE PREPARATION OF 6,7-DIMETHOXY-1-[2-(4-TRIFLUOROMETHYLPHENYL)ETHYL]-3,4- DIHYDROISOQUINOLINE
The invention relates to a method of preparing 6,7-dimethoxy-l-[2-(4-trifluoromethylphenyl) ethyl]-3,4-dihydroisoquinoline I by cyclization of substance III, wherein the R substituent is a C1-C4 alkyl group, under conditions of acidic catalysis, the acidi
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(2011/08/03)
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