A SIMPLE AND EFFICIENT PREPARATION OF 3,4-DIALKYLSUBSTITUTED TETRAHYDROISOQUINOLINE USING CYCLOPROPYLETHYLIDEN BENZYLAMINE
作者:Vladimir Kouznetsov、Alirio Palma、Wilson Rozo、Elena Stashenko、Alí Bahsas、Juan Amaro-Luis
DOI:10.1081/scc-120012985
日期:2002.1
Intramolecular Friedel-Crafts alkylation of N-benzyl-N-(1-cyclopropylethyl)acetamide to 3,4-dialkyl substituted tetrahydroisoquinoline by reaction of the acetamide with ail excess of PPA is described. The conformational study of intermediates by high resolution NMR analysis is also reported.