Lenampicillin hydrochloride, KBT-1585, KB-1585, Takacillin, Veracillin
仑氨西林 仑氨西林 Chemical Name: Ampicillin (5-methyl-2-oxo-1,3-dioxolen-4-yl)methyl ester hydrochloride; 6beta-[2(R)-Amino-2-phenylacetamido]penicillanic acid 5-methyl-2-oxo-1,3-dioxolen-4-ylmethyl ester hydrochloride
CAS No. 80734-02-7, 86273-18-9 (free base)
项目整合开发状态: Launched-1987
项目研究机构: Kanebo (Originator), MECT (Originator), Sigma-Tau (Licensee)
合成路线:The bromination of 4,5-dimethyl-1,3-dioxolen-2-one (I) with N-bromo-succinimide (NBS) and azobisisobutyronitrile (AIBN) in CCl4 gives 4-methyl-5-bromomethyl-1,3-diioxolen-2-one (II),which is then condensed with ampicillin (III) by means of KHCO3 and benzaldehyde in DMF.
📌 参考资料/链接:
参考文献标题:Novel ampicillin esters and production thereof
文献作者:Sakamoto,F.; Ikeda,S.; Tsukamoto,G.; Utsumi,I.(Kanebo Pharmaceuticals,Ltd.)
参考来源:EP 0039086; EP 0039477; EP 0061206; US 4389408
📄 详细内容
合成路线:The bromination of 4,5-dimethyl-1,3-dioxolen-2-one (I) with N-bromo-succinimide (NBS) and azobisisobutyronitrile (AIBN) in CCl4 gives 4-methyl-5-bromomethyl-1,3-diioxolen-2-one (II),which is then condensed with ampicillin (III) by means of KHCO3 and benzaldehyde in DMF.
参考文献标题:KB-1585
文献作者:Serradell,M.N.; Castar,J.; Blancafort,P.
参考来源:Drugs Fut 1983,8(11),920
产品链接: CAS No. 80734-02-7›› 产品链接: CAS No.86273-18-9››