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ChemicalBook CAS DataBase List 2-mercapto-N-methylbenzamide
20054-45-9

2-mercapto-N-methylbenzamide synthesis

9synthesis methods
2-mercapto-N-methylbenzamide is prepared by reactig 2,2'-Disulfanediylbis(N-methylbenzamide) and sodium tetrahydroborate In tetrahydrofuran.2-mercapto-N-methylbenzamide synthesis
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Yield:20054-45-9 97.2%

Reaction Conditions:

with 1,4-diaza-bicyclo[2.2.2]octane in tetrahydrofuran at 40;Solvent;Reagent/catalyst;Temperature;

Steps:

1-9

Dissolve 30.23g (0.2mol) of 2-hydroxy-N-methylbenzamide in tetrahydrofuran (50ml),Slowly add 29.66g (0.24mol) of dimethylaminothioformyl chlorideAnd 31.39g (0.28mol) triethylenediamine,The temperature is controlled at 40°C for the reaction, and after the reaction is detected by TLC,Add ethyl acetate and purified water (V ethyl acetate: V purified water = 3:1) 40ml,Concentrate the organic layer under reduced pressure to obtain 2-mercapto-N-methylbenzamide,The yield is 97.2%, and the HPLC purity is 99.95%.

References:

CN112209861,2021,A Location in patent:Paragraph 0040-0057

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