27339-24-8Relevant articles and documents
PROCESS FOR PREPARING N-METHYL-3, 4-DIMETHOXYPHENYLETHYLAMINE
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Page/Page column 6, (2009/07/17)
Provided are intermediates useful for the preparation of verapamil and methods for their preparation.
Tetrahydroisoquinoline derivatives
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, (2008/06/13)
Compounds of the formula STR1 wherein R1 and R2 and each independently --H or lower alkoxy; R3 and R4 are each independently lower alkyl; and R5 and R6 are each --OCH3, or together form --OCH2 O-- or --OCH2 CH2 O--, and pharmaceutically acceptable acid addition salts thereof are prepared by cyclizing, deoxygenating, coupling, or hydrogenating the intermediates disclosed herein.