1,1-dimethylethyl {2-[(4-chloro-3-{[(5Z)-4-oxo-5-(6-quinoxalinylmethylidene)-4,5-dihydro-1,3-thiazol-2-yl]amino}phenyl)amino]-1,1-dimethyl-2-oxoethyl}carbamate 、
三氟乙酸 在
methanol-dichloromethane 作用下,
以
二氯甲烷 为溶剂,
反应 0.25h,
以to give the title compound (0.031 g, 41%) as a solid的产率得到N~1~-(4-Chloro-3-{[(5Z)-4-oxo-5-(6-quinoxalinylmethylidene)-4,5-dihydro-1,3-thiazol-2-yl]amino}phenyl)-2-methylalaninamide trifluoroacetate