Tetrahedron Letters p. 2761 - 2762 (1996)
Update date:2022-07-29
Topics:
Vanwetswinkel, Sophie
Carlier, Vincent
Marchand-Brynaert, Jacqueline
Fastrez, Jacques
The methoxymethyl (MOM) moiety, used as protecting group for the carboxyl function of penicillin derivatives, their sulfoxides and sulfones, could be easily cleaved in aqueous methanol at room temperature. The rate of deprotection by solvolysis is not sensitive to the nature of the substituent in position 6, but depends on the state of oxidation of the thiazolidine sulfur.
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