-
公开(公告)号:US20050027143A1
公开(公告)日:2005-02-03
申请号:US10487554
申请日:2002-08-23
申请人: Mohammad Salman , Purna Ray , Suresh Babu , Naresh Kumar
发明人: Mohammad Salman , Purna Ray , Suresh Babu , Naresh Kumar
IPC分类号: C07C29/147 , C07C33/14 , C07C45/29 , C07C47/225 , C07C67/343 , C07C403/14 , C07C45/45
CPC分类号: C07C403/14 , C07B2200/09 , C07C29/147 , C07C33/14 , C07C67/343 , C07C403/08 , C07C403/20 , C07C2601/16 , C07C69/608
摘要: The present invention relates to an industrially advantageous process for the preparation of beta-ionylidencacetaldehyde of structural Formula I, which is a key intermediate for the synthesis of vitamin A and related compounds such as tretinoin and isotretinoin.
摘要翻译: 本发明涉及一种工业上有利的制备结构式I的β-离子亚基乙醛的方法,其是合成维生素A和相关化合物如维A酸和异维A酸的关键中间体。
-
公开(公告)号:US20050107614A1
公开(公告)日:2005-05-19
申请号:US10490275
申请日:2002-09-24
申请人: Purna Ray , Jayachandra Babu , Mohammad Salman
发明人: Purna Ray , Jayachandra Babu , Mohammad Salman
IPC分类号: C07D295/12 , A61P3/10 , C07D295/135 , C07D211/32
CPC分类号: C07D295/135
摘要: The present invention relates to a cost effective and industrially advantageous process for the preparation of repaglinide.
摘要翻译: 本发明涉及用于制备瑞格列奈的成本效益和工业上有利的方法。
-
公开(公告)号:US20060142574A1
公开(公告)日:2006-06-29
申请号:US10532910
申请日:2003-10-31
申请人: Jayachandra Babu , Purna Ray , Chandra Khanduri , Yatendra Kumar
发明人: Jayachandra Babu , Purna Ray , Chandra Khanduri , Yatendra Kumar
IPC分类号: C07D473/10
CPC分类号: C07D473/18
摘要: The present invention relates to a process for the preparation of N2-Acetyl-9-(1,3-diace-toxy-2-propoxymethyl) guanine, referred to here as N-9 alkylated isomer of structural formula I, and to the use of this compound as an intermediate for the preparation of antiviral compound, ganciclovir.
摘要翻译: 本发明涉及一种制备本文中称为结构式I的N-9烷基化异构体的N 2 - 乙酰基-9-(1,3-二乙酰氧基-2-丙氧基甲基)鸟嘌呤的方法和用途 的该化合物作为制备抗病毒化合物更昔洛韦的中间体。
-
-