发明名称 3-(5-methyl-2-oxo-l, 3-dioxol-4-yl) methyloxy-2-trans-[(4-chloro phenyl) cyclohexyl][1,4]naphthaquinone-atovaquone prodrug
摘要 The present invention relates to atovaquone prodrug compound of formula (I). Accordingly, present invention provides a process involving condensation of Atovaquone (II) with 5-methyl-4-chloromethyl dioxalone (III) in suitable solvent system and optionally followed by distillation and crystallization to provide Atovaquone prodrug compound of formula (I) in high yields, purity, and suitable for large-scale manufacture.
申请公布号 US9169232(B2) 申请公布日期 2015.10.27
申请号 US201214344644 申请日期 2012.09.14
申请人 Alkem Laboratories Limited 发明人 Saralaya Sanjay Sukumar;Kunjyannaya Akshaya;Shashiprabha ;Kanakamajalu Shridhara;Rao Kothapalli Sundarraja;Nagarajan Kuppuswamy
分类号 C07D317/36;C07D317/40 主分类号 C07D317/36
代理机构 代理人 Moxon, II George W.;Harrod Brian
主权项 1. A compound of formula (I),
地址 Mumbai IN