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ChemicalBook CAS DataBase List 4-Thiazolecarboxylic acid, 5-[(ethoxycarbonyl)amino]-, ethyl ester

4-Thiazolecarboxylic acid, 5-[(ethoxycarbonyl)amino]-, ethyl ester synthesis

1synthesis methods
-

Yield:1394941-05-9 92%

Reaction Conditions:

Stage #1: Ethyl isocyanoacetatewith potassium tert-butylate in tetrahydrofuran at -25; for 0.25 h;Inert atmosphere;
Stage #2: Ethoxycarbonyl isothiocyanate in tetrahydrofuran at -25 - 0; for 0.833333 h;Inert atmosphere;

References:

Shu, Lianhe;Alabanza, Lady Mae;Gu, Chen [Heterocycles,2012,vol. 85,# 7,p. 1721 - 1726] Location in patent:experimental part