Indole derivatives as steroid 5 alpha-reductase inhibitors

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 405/06 (2006.01) A61K 31/40 (2006.01) A61K 31/445 (2006.01) A61K 31/495 (2006.01) C07D 317/46 (2006.01) C07D 405/14 (2006.01) C07D 409/14 (2006.01) C07D 417/14 (2006.01) C07D 491/113 (2006.01)

Patent

CA 2117610

The present invention provides compounds of formula (I) and the pharmaceutically acceptable salts thereof, wherein X is O, NH, N(C1-C4 alkyl), direct link, C1-C4 alkylene, C2-C4 alkenylene or C2-C4 alkynylene, said alkylene, alkenylene and alkynylene being optionally substituted by C1-C4 alkyl or aryl; Y is methylene, C2-C6 alkylene optionally interrupted by O, C2-C6 alkenylene or C2-C6 alkynylene, all of which may be optionally substituted by C1-C6 alkyl, or is a group of formula (II) wherein m and n are each independently selected from O and an integer of from 1 to 5, with the proviso that the sum of m and n is not greater than 5, and p is an integer of from 2 to 6; R is H, OH, halo, C1-C4 alkyl or C1-C4 alkoxy; R1, R2, R3 and R4 are each independently selected from H, C1-C4 alkyl, C1-C4 alkoxy, OH, halo, -CF3, -CO2(C1-C4 alkyl), -CONH2, -CONH(C1-C4alkyl) and -CON(C1-C4alkyl)2; R5 is -COOH, -COOR7, -CONR8R9 or tetrazol-5-yl; and R6 is (III) or (IV), together with pharmaceutically compositions containing, uses of, processes for the preparation of and intermediates used in the preparation of, such compounds.

L'invention concerne des composés de la formule (I) et leurs sels acceptables sur le plan pharmaceutique. Dans cette formule: X est O, NH, N(C1-C4)alkyle, une liaison directe, un (C1-C4)alkylène, un (C2-C4)alcénylène ou un (C2-C4)alcynylène, ledit alkylène, alcénylène ou alcynylène étant le cas échéant substitué avec un (C1-C4)alkyle ou un aryle; Y est un méthylène, un (C2-C6)alkylène le cas échéant coupé par un O, un (C2-C6)alcénylène ou un (C2-C6)alcynylène, qui peuvent tous être le cas échéant substitués avec un groupe (C1-C6)alkyle, ou encore un groupe de la formule (II) dans laquelle m et n sont choisis chacun d'une manière indépendante parmi O et les nombres entiers de 1 à 5, avec comme condition que la somme de m et de n ne soit pas supérieure à 5 et que p soit un nombre entier entre 2 et 6; R est H, OH, halo, un (C1-C4)alkyle ou un (C1-C4)alcoxy; R1, R2, R3 et R4 sont chacun d'une manière indépendante choisis parmi H, (C1-C4)alkyle, (C1-C4)alcoxy, OH, halo, -CF3, -CO2(C1-C4)alkyle, -CONH2, -CONH(C1-C4)alkyle et -CON[(C1-C4)alkyle]2; R5 est -COOH, -COOR7, -CONR8R9 ou tétrazol-5-yl; et R6 est formule (III) ou formule (IV). L'invention concerne également les compositions pharmaceutiques contenant ces composés, les procédés de leur préparation et les intermédiaires utilisés dans leur préparation.

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