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引用
期刊论文
Diasteroselective Cyclizations with Enantiopure Malonaldehyde Monocycloacetals
J. Org. Chem. 2002, 67, 22-26,-0001,():
The synthesis of a series of enantiopure malonaldehyde monocycloacetals is described. Treatment of 8b with L-tryptophan methyl ester, 5-methoxytryptamine, and tryptamine, respectively, in the Pictet-Spengler condensation gave the corresponding enantiomerically pure key precursors 1-3 and 17-21 in only two steps. Using a chiral amino-diol successfully realized the kinetic resolution of racemic carbolines 23 and 24.
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