2-Chloro-5-aminomethylthiazole → N-(2-chloro-5-thiazolylmethyl)-N'-methyl-N"-nitroguanidine

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반응 단계

A mixture of 0.48 g of 2-chloro-5-thiazolemethanamine, 0.31 g of S-methyl-N-methyl-N'-nitroisothiourea prepared by the method described in the Journal of Medical Chemistry., 1977, Vol. 20, No. 7, P. 905 and 3 ml of ethanol was heated under reflux for 6 hours. After cooling, the reaction mixture was concentrated under reduced pressure, and the residue was purified by silica gel column chromatography (Solvent: Chloroform/Methanol =20/1) to obtain 0.37 g of the title compound as crystals. This compound is No. 8 in Table 1. m.p.: 151.0°-153.0° C.

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