ChemicalBook CAS DataBase List 5-(2-sulfanylidene-3H-1,3-thiazol-4-yl)thiophene-2-carboxamide

5-(2-sulfanylidene-3H-1,3-thiazol-4-yl)thiophene-2-carboxamide synthesis

6synthesis methods

Product Name:5-(2-sulfanylidene-3H-1,3-thiazol-4-yl)thiophene-2-carboxamide
CAS Number:52560-89-1
Molecular formula:C8H6N2OS3
Molecular Weight:242.34

88-15-3
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5-(2-sulfanylidene-3H-1,3-thiazol-4-yl)thiophene-2-carboxamide

52560-89-1
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Yield:-

Steps:

Multi-step reaction with 9 steps
1.1: sodium carbonate; acetic acid / methanol; water / 86 °C / pH 4 - 5
2.1: polyphosphoric acid / 100 °C
3.1: sodium hypochlorite / methanol / 10 - 70 °C
4.1: hydrogenchloride / water / 55 - 60 °C
5.1: sodium hydrogencarbonate / water / 0.5 h / 25 - 27 °C
5.2: 1 h / Reflux
6.1: ammonium hydroxide / 10 - 13 °C
7.1: acetic acid; bromine / 2 h / 80 - 95 °C
8.1: N,N-dimethyl-formamide / 5 - 20 °C
9.1: hydrogen sulfide; sodium hydrogen sulfide / water / 5 - 65 °C

References:

Qianhui Pharmaceutical (Anhui) Co., Ltd.;Yang Huilai;Mao Jie;Sun Xuexi CN104447731, 2017, B

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4066-41-5 Synthesis