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公开(公告)号:US20030149304A1
公开(公告)日:2003-08-07
申请号:US10238204
申请日:2002-09-10
Applicant: Sepracor Inc.
Inventor: Gerald J. Tanoury , Chris H. Senanayake , Donald W. Kessler
IPC: A61K031/137 , C07C217/30
CPC classification number: A61K31/205 , C07B2200/13 , C07C231/24 , C07C233/25 , C07C233/43
Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.
Abstract translation: 公开了制备R,R-福莫特醇L-酒石酸盐的高纯度盐的方法。 该方法通过重结晶新型多晶型物提供最热力学稳定的多晶型物。
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公开(公告)号:US20040176450A1
公开(公告)日:2004-09-09
申请号:US10806993
申请日:2004-03-23
Applicant: SEPRACOR INC.
Inventor: Gerald J. Tanoury , Chris H. Senanayake , Donald W. Kessler
IPC: A61K031/205 , C07C215/46
CPC classification number: A61K31/205 , C07B2200/13 , C07C231/24 , C07C233/25 , C07C233/43
Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.
Abstract translation: 公开了制备R,R-福莫特醇L-酒石酸盐的高纯度盐的方法。 该方法通过重结晶新型多晶型物提供最热力学稳定的多晶型物。
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