(S)-2-{4-[(2-Methyl-4-methylsulfanyl-quinazolin-6-ylmethyl)-prop-2-ynyl-amino]-benzoylamino}-pentanedioic acid diethyl ester 在
sodium hydrogensulfide 作用下,
以
乙醇 为溶剂,
反应 5.0h,
以47.8%的产率得到(S)-2-{4-[(2-Methyl-4-thioxo-3,4-dihydro-quinazolin-6-ylmethyl)-prop-2-ynyl-amino]-benzoylamino}-pentanedioic acid diethyl ester