Synthesis of 2-Acyl-1-benzyl-, 1-phenylethyl- and spirobenzyltetrahydroisoquinolines

Abstract
N-Acyl-1-benzyl-, 1-phenylethyl-and 1-spirobenzyltetrahydro-isoquinolines are obtained from N-acyl-2-phenylethylamines and arylalkyl aldehydes or cyclic ketones in acidic media.