PROCESS FOR PREPARATION OF INDOLINE DERIVATIVES

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专利权人:

发明人:

DWIVEDI SHRIPRAKASH DHAR,SHAH NIRAJ SHYAMLAL,DESAI JITESH AMRATLAL

申请号：

IN2867/MUM/2011

公开号：

IN2011MU02867A

申请日:

2011.10.10

申请国别(地区):

IN

年份:

2013

代理人:

摘要：

The invention relates to a process for preparing silodosin. The invention relates to the preparation of substantially pure silodosin. The invention also relates to silodosin solid particles, wherein 90 volume-percent of the particles (D90) are less than 10 microns and a process for achieving the particle size (D90) less than 10 microns. The invention also relates to pharmaceutical compositions of silodosin comprising 90 volume-percent of the particles (D90) less than 10 microns.

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