Tetrahedron Letters p. 1121 - 1124 (1997)
Update date:2022-08-17
Topics:
Chen, Zhengming
Meltzer, Peter C.
A novel Mannich type condensation between the monomethyl ester of acetonedicarboxylic acid, methylamine hydrochloride, and hydrolyzed dimethoxydihydrofuran gave 6- or 7- functionalized β-keto ester tropanes 12 - 15. Further elaboration afforded a series of 6- or 7- hydroxy and 6- or 7-methoxy 2β-methoxycarbonyl-3-aryltropanes.
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