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公开(公告)号:US06177439B1
公开(公告)日:2001-01-23
申请号:US08771391
申请日:1996-12-19
申请人: Subrahmanyam Duvvuri , Venkateswarlu Akella , Sharma Manohara Vedula , Sastry V. R. S. Thungathurthi , Vamsee Krishna Chintakunta , Shobha Madabhushi
发明人: Subrahmanyam Duvvuri , Venkateswarlu Akella , Sharma Manohara Vedula , Sastry V. R. S. Thungathurthi , Vamsee Krishna Chintakunta , Shobha Madabhushi
IPC分类号: A61K34745
CPC分类号: C07D491/22
摘要: Novel water soluble C-ring analogues of 20(S)-camptothecin having the general formula 1, All the compounds of the formula 1 are prepared from the compounds of the general formula 2 having 20(S)-chiral carbon where R1 to R5 have the meaning given above. The compounds of the formula 1 possess potent anti-cancer and anti-viral properties. The invention also provides an alternate process for the preparation of known C-5 substituted compounds of the formula 1,
摘要翻译: 具有通式1的20(S) - 喜树碱的新型水溶性C-环类似物,所有式1化合物均由具有20(S) - 手性碳的通式2的化合物制备,其中R 1至R 5具有 上面给出的含义。 式1的化合物具有有效的抗癌和抗病毒性质。本发明还提供制备式1的已知C-5取代的化合物的替代方法,
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公开(公告)号:US06214836B1
公开(公告)日:2001-04-10
申请号:US08772071
申请日:1996-12-19
申请人: Subrahmanyam Duvvuri , Venkateswarlu Akella , Sharma Manohara Vedula , Rao Venkateswara Kalla , Srinivas S.S.V. Akella
发明人: Subrahmanyam Duvvuri , Venkateswarlu Akella , Sharma Manohara Vedula , Rao Venkateswara Kalla , Srinivas S.S.V. Akella
IPC分类号: A61K314745
CPC分类号: C07D491/22
摘要: Novel water soluble C-ring analogues of 20(S)-camptothecin having the general formula 1. All the compounds of the formula 1 are prepared from the compounds of the general formula 2 having 20(S)-chiral carbon. The compounds of the formula 1 possess potent anti-cancer and anti-viral properties. The invention also provides an alternate process for the preparation of known C-5 substituted compounds of the formula 1.
摘要翻译: 具有通式1的20(S) - 喜树碱的新型水溶性C-环类似物。所有式1化合物由具有20(S) - 手性碳的通式2的化合物制备。 式1的化合物具有有效的抗癌和抗病毒性质。 本发明还提供了制备式1的已知C-5取代的化合物的替代方法。
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公开(公告)号:US5972955A
公开(公告)日:1999-10-26
申请号:US771390
申请日:1996-12-19
申请人: Subrahmanyam Duvvuri , Venkateswarlu Akella , Sharma Manohara Vedula , Archana Prabhakar Kulakarni
发明人: Subrahmanyam Duvvuri , Venkateswarlu Akella , Sharma Manohara Vedula , Archana Prabhakar Kulakarni
IPC分类号: A61K31/00 , A61K31/47 , A61K31/4738 , A61K31/4745 , A61P31/00 , A61P31/12 , A61P35/00 , A61P35/02 , C07D491/22 , C07D491/147
CPC分类号: C07D491/22
摘要: Novel water soluble C-ring analogs of 20(S)-camptothecin having the formula 1. ##STR1## The compounds of the formula 1 are prepared from the compounds of the formula 12 having C-20(S) chiral carbon. The compounds of the formula 1 possess potent anti-cancer and anti-viral properties.
摘要翻译: 具有式1的20(S) - 喜树碱的新型水溶性C环类似物。式1的化合物由具有C-20(S)手性碳的式12化合物制备。 式1的化合物具有有效的抗癌和抗病毒性质。
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