CARBOXYL-MODIFIED AMINO ACIDS AND PEPTIDES: II) A CONVENIENT ROUTE FOR THE SYNTHESIS OF DIFUNCTIONALIZED ENAMINES FROM THIOAMIDES VIA THIOIMINIUM SALTS

DOI: 10.1016/S0040-4039(00)86042-6

Source and publish data:

Tetrahedron Letters p. 2299 - 2302 (1988)

Update date:2022-09-26

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Authors:

Sauve, Gilles

Berre, Nicolas Le

Zacharie, Boulos

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Article abstract of DOI:10.1016/S0040-4039(00)86042-6

From thioamides 4, via thioiminium salts 5, various difunctionalized enamines 6 with different electron-withdrawing groups E, E' (E: CN, CO2Me, COR, SO2R, etc; E': CN, CO2Me) are prepared.Application of the methodology, the determination of stereochemistry and degree of racemization of some amino acids are discussed.

Full text of DOI:10.1016/S0040-4039(00)86042-6

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