abstract |
A process for preparing 1,3-thiazole-glyoxylic acid derivatives of the formula: *** 1 (See formula 1) in which R1¿ is protected amino or protected lower alkylamino, which process comprises submitting a compound of the formula: *** 2 (See formula 2) in which R1¿ is as defined above and Z is carboxy protected, to a reaction of elimination of the carboxy protecting group. |