专利检索 ap:("Satyanarayana Reddy Manne" OR "Nagaraju Chakilam" OR "Srinivasulu Gudipati" OR "Srinivas Katkam" OR "Rajeswar Reddy Sagyam") AND inv:"Nagaraju Chakilam" 第 1 页

1.

发明授权
Crystalline forms VI and VII of Atorvastatin calcium 失效
标题翻译：阿托伐他汀钙的结晶形式VI和VII

公开(公告)号：US07074818B2

公开(公告)日：2006-07-11

申请号：US10483580

申请日：2002-01-07

申请人： Satyanarayana Reddy Manne , Nagaraju Chakilam , Srinivasulu Gudipati , Srinivas Katkam , Rajeswar Reddy Sagyam

发明人： Satyanarayana Reddy Manne , Nagaraju Chakilam , Srinivasulu Gudipati , Srinivas Katkam , Rajeswar Reddy Sagyam

IPC分类号： A61K31/40 , C07D207/00

CPC分类号： C07D207/34

摘要： The present invention relates to novel crystalline forms of atorvastatin calcium and to the methods of their production and isolation. More specifically, the present invention relates to novel Forms VI and VII of R—(R*,R*)]-2(4-fluorophenyl)-B,d dihydroxy-5(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1-H-pyrrole-1-heptanoic- acid calcium salt and hydrates thereof and to methods of their preparation.

摘要翻译： 本发明涉及阿托伐他汀钙的新型结晶形式及其生产和分离方法。更具体地说，本发明涉及R-（R *，R *）] - 2（4-氟苯基）-B，d-二羟基-5（1-甲基乙基）-3-苯基-4- [（苯基氨基）羰基] -1-H-吡咯-1-庚酸钙盐及其水合物及其制备方法。

2.

发明授权
Process for the preparation of 2-{4-[(5,6-diphenyl pyrazin-2-yl)(isopropyl)amino]butoxy}-N-(methylsulfonyl)acetamide and novel polymorphs thereof 有权

公开(公告)号：US10544107B2

公开(公告)日：2020-01-28

申请号：US16315671

申请日：2017-06-30

申请人： MAITHRI DRUGS PRIVATE LIMITED , Nagaraju Chakilam , Kondana Ramprasad Achampeta , Pradeep Rebelli , Tavitayya Kondaka

发明人： Nagaraju Chakilam , Kondana Ramprasad Achampeta , Pradeep Rebelli , Tavitayya Kondaka

IPC分类号： C07D241/20 , B01D9/00 , A61P9/12

摘要： The present invention relates to a processes for the preparation of 2-{4-[(5,6-diphenyl pyrazin-2-yl)(isopropyl)amino]butoxy}-N-(methylsulfonyl)acetamide compound of formula-1 and novel polymorphs thereof.