反应详情

The reaction of N-cyano-N'-[2-(3-isothiazolylmethylthio)ethyl]-S-methylisothiourea (0.27 g.) with excess methylamine according to the procedure described in Example 3(c) and recrystallisation of the product from isopropyl acetate afforded N-cyano-N'-[2-(3-isothiazolylmethylthio)ethyl]-N"-methylguanidine (0.12 g.), m.p. 91°-93°. (Found: C, 42.4; H, 5.1; N, 27.3; S, 25.2. C9H13N5S2 requires: C, 42.3; H, 5.1; N, 27.4; S, 25.1).

1. customdescribed in Example 3(c) and recrystallisation of the product from isopropyl acetate