发明名称 |
NOVEL PROCESS FOR PREPARATION OF GLUCOCORTICOID STEROIDS |
摘要 |
The present invention discloses a process for the preparation of 16, 17-acetals of pregnane derivatives having formula (I) wherein each substituent is independently selected from; R1 is H or CH3; R2 is C1-C6 linear or branched alkyl, alkynyl group or cycloalkyl group; aryl or heteroaryl group; or R1 and R2 combine to form saturated, unsaturated C3-C6 cyclic or heterocyclic ring; R3 and R4 are same or different and each independently represents H or halogen; R5 is -OH or –OCOR wherein R represents H or C1-C6 linear, branched or cyclic alkyl group that may be substituted. |
申请公布号 |
WO2016120891(A1) |
申请公布日期 |
2016.08.04 |
申请号 |
WO2016IN50031 |
申请日期 |
2016.01.29 |
申请人 |
CORAL DRUGS PVT. LTD. |
发明人 |
TRIPATHI, VINAYAK;KUMAR, RAJESH;BHUWANIA, ROHIT;BHUWANIA, BINAY KUMAR |
分类号 |
A61K31/58;C07J5/00 |
主分类号 |
A61K31/58 |
代理机构 |
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