硫脲 、
3-Bromomethyl-Pyrazine-2-carboxylic acid ethyl ester 以
四氢呋喃 为溶剂,
反应 0.08h,
以to leave 3-carbamimidoylsulfanylmethyl-pyrazine-2-carboxylic acid ethyl ester hydrobromide (2.2 g) as an oil的产率得到3-carbamimidoylsulfanylmethyl-pyrazine-2-carboxylic acid ethyl ester hydrobromide