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ChemicalBook CAS DataBase List METHYL 3-(((PHENYLCARBONYLAMINO)THIOXOMETHYL)AMINO)THIOPHENE-2-CARBOXYLATE
178675-17-7

METHYL 3-(((PHENYLCARBONYLAMINO)THIOXOMETHYL)AMINO)THIOPHENE-2-CARBOXYLATE synthesis

1synthesis methods
22288-78-4 Synthesis
Methyl 3-amino-2-thiophenecarboxylate

22288-78-4
392 suppliers
$11.00/5g

532-55-8 Synthesis
Benzoyl isothiocyanate

532-55-8
209 suppliers
$9.00/1g

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Yield:178675-17-7 90%

Reaction Conditions:

in acetonitrile at 20; for 12 h;

Steps:

1 Preparation of methyl 3-(3-benzoylthioureido)thiophene-2-carboxylate

methyl 3-aminothiophene-2-carboxylate of formula a 100 g (0.64 mol) ofWas added to 1 L of acetonitrile,114 g (0.70 mol) of benzoylisothiocyanate were added, And the mixture was stirred at room temperature for 12 hours. After completion of the reaction, the reaction mixture was cooled to 5°C and stirred for 1 hour.The resulting solid was filtered,And dried to obtain 183 g (yield: 90%) of the title compound of the formula (2).

References:

KR2016/38615,2016,A Location in patent:Paragraph 0049; 0050