A new synthetic route to 7 ฮฑ-methoxyceph
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Kunio Atsumi; Kiyoaki Katano; Ken Nishihata; Fumio Kai; Eiichi Akita; Taro Niida
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Article
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1982
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Elsevier Science
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French
โ 261 KB
Treatment of 7C-(2,2.3-trihaloalkylideneamino)cephalosporins with excess methanol in the presence of acid scavenger gave 7p-(2-haloalk-2-enylideneamino)-7+methoxycephalosporins.