Direct Preparation of Guanidine from Trichloroacetamide. A Potentially Important Method to (-)-Tetrodotoxin

DOI: 10.1246/cl.1994.2299

Source and publish data:

Chemistry Letters p. 2299 - 2302 (1994)

Update date:2022-08-04

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Authors:

Yamamoto, Noboru

Isobe, Minoru

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Article abstract of DOI:10.1246/cl.1994.2299

Trichloroacetamides obtained via Overman <3,3> sigmatropic rearrangement were converted into dibenzyl guanidines.The key step was conversion of carbodiimide intermediate into guanidine by scandium or ytterbium trifluoromethane-sulfonates.This method was a

Full text of DOI:10.1246/cl.1994.2299

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