반응 #337123

반응 방정식

2-amino-1,3,4-thiadiazole

hexane

dichloromethane methanol

N′-(2-cyano-5-{3-[(RS)-N-(ethoxycarbonyl)-S-methylsulphonimidoyl]benzyloxy}-4-methoxyphenyl)-N,N-dimethylformimidamide

→

desired product

수율 47.0%

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

수율 47.0%

용매

methanol

반응 조건

실험 절차

According to GWP 5, the reaction of N′-(2-cyano-5-{3-[(RS)-N-(ethoxycarbonyl)-S-methylsulphonimidoyl]benzyloxy}-4-methoxyphenyl)-N,N-dimethylformimidamide (76 mg, 0.17 mmol) with 2-amino-1,3,4-thiadiazole (20 mg, 0.20 mmol) and chromatographic purification (silica gel, amino column, hexane, dichloromethane/methanol: 0→5% methanol) gives the desired product in 47% yield (40 mg).

출처