Methyl 3-amino-2-thiophenecarboxylate → HCID 178437764, 화합물

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Methyl 3-amino-2-thiophenecarboxylate (4.67 g,) and propionamidine (3 g, were combined and heated in an oil both for 1/2 hour at 60° C.; 1/2 hour at 80° C.; 1/2 hour at 100° C. and finally for 4 hours at 120° C. The mixture was cooled, triturated with ether, filtered and washed with ether to obtain 0.67 g of the product; m.p. 233°-237° C.

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