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ChemicalBook CAS DataBase List METHYL 4-THIAZOLECARBOXYLATE
59418-09-6

METHYL 4-THIAZOLECARBOXYLATE synthesis

3synthesis methods
42258-90-2 Synthesis
methyl (R)-thiazolidine-4-carboxylate

42258-90-2
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Yield:59418-09-6 80.8%

Reaction Conditions:

with manganese(IV) oxide in acetonitrile at 50; for 36 h;Temperature;

Steps:

1.3; 2.3; 3.3; 4.3; 5.3; 6.3 3. Synthesis of methyl thiazole-4-carboxylate

Add 3.09 (0.02 mol) of thiazolidine-4-carboxylic acid methyl ester, 175 mL of acetonitrile to a 250 mL four-necked flask.40.0 g (0.46 mol) of MnO2 after activation at 300 °C.The reaction was carried out at 50 ° C for 36 h (GC followed the progress of the reaction).After cooling, it was filtered, and the filtrate was evaporated under reduced pressure to remove solvent.Methyl thiazole-4-carboxylate 2.369 was obtained in a yield of 80.8%.

References:

CN109574953,2019,A Location in patent:Paragraph 0021; 0026-0027; 0031; 0036-0037; 0041; 0046-0047

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