Crystalline form of indole derivative and pharmaceutical method

Details Crystalline form of indole derivative and pharmaceutical method Crystalline form of indole derivative and pharmaceutical method

1991-12-11

1994-03-15

Lee, Mary C.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

548507, A61K 3140, C07D20914

Patent

active

052946363

ABSTRACT:
A physical form of N-[4-[5 -(cyclopentyloxycarbonyl)amino-1-methyl-indol-3-ylmethyl]-3-methoxybenzoyl ]-2-methylbenzenesulphonamide substantially free of other physical forms, which form is crystalline, has an X-ray powder diffraction pattern with specific peaks occuring at 2.theta.=8.1, 13.7, 16.4, 20.5 and 23.7.degree. and an infra-red spectrum (0.5% in KBr) having sharp peaks at 3370, 1670, 1525, 1490, 1280, 890, 870 and 550 cm.sup.-1, a process for its preparation and pharmaceutical compositions containing it. Also disclosed is a flowable preparation of the physical form which is in the form of soft pellets, and a process for obtaining this preparation.

REFERENCES:
patent: 4161516 (1979-07-01), Bell

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