反応 #337135

反応方程式

2-amino-1,3,4-thiadiazole

dichloromethane methanol

N′-(2-cyano-5-{4-[(RS)-N-(ethoxycarbonyl)-S-methylsulphonimidoyl]benzyloxy}-4-methoxyphenyl)-N,N-dimethylformimidamide

→

desired product

収率 40.0%

(RS)-N-(Ethoxycarbonyl)-S-methyl-S-[4-({[6-methoxy-4-(1,3,4-thiadiazol-2-yl-amino)quinazolin-7-yl]oxy}methyl)phenyl]sulphoximide

収率 40.0%

溶媒

methanol

反応条件

実験手順

According to GWP 5, the reaction of N′-(2-cyano-5-{4-[(RS)-N-(ethoxycarbonyl)-S-methylsulphonimidoyl]benzyloxy}-4-methoxyphenyl)-N,N-dimethylformimidamide (85 mg, 0.19 mmol) with 2-amino-1,3,4-thiadiazole (23 mg, 0.22 mmol) and chromatographic purification (silica gel, dichloromethane/methanol: 0→30% methanol) gives the desired product in 40% yield (38 mg).

出典