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用7-氨基-3-乙烯基-3-头孢烯-4-羧酸和(Z)-2-(2-氨基噻唑-4-基)-2-甲氧羰基甲氧亚氨基硫代乙酸(S)-2-苯并噻唑酯在三乙胺催化下经酰化、水解反应,“一锅法”制得头孢克肟,收率约92%。
Amino-3-vinyl-3-cephem-4-carboxylic acid and (Z) -2- (2- aminothiazol-4-yl) -2- methoxycarbonylmethoxyimino-thioacetic acid S) -2-benzothiazole ester under the catalysis of triethylamine acylation, hydrolysis reaction, “one-pot method” to obtain cefixime, a yield of about 92%.