A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 31/38 (2006.01) A61K 31/05 (2006.01) A61K 31/085 (2006.01) A61K 31/34 (2006.01) C07C 43/23 (2006.01) C07C 317/22 (2006.01) C07C 323/20 (2006.01)
Patent
CA 2236073
An intimal thickening inhibitory agent comprising, as an active ingredient, a compound represented by formula (1): (see above formula) wherein X represents an oxygen atom or a group of formula (2): -S- (O)n (2) wherein n represents an integer of from 0 to 2, R1 represents a hydrogen atom or an acyl group; R2 represents a hydrogen atom, a lower alkyl group or a lower alkenyl group; R3 represents a lower alkyl group; and R4, R5, and R6, which may be the same or different, each represent a hydrogen atom or a substituted or unsubstituted alkyl group; or R3 and R4 may be taken together to form a 5-membered ring; or R5 and R6 may be taken together to form a cycloalkyl group; provided that R6 is nil when R3 and R4 are taken together to form benzofuran or benzo[b]thiophene.
L'invention porte sur un inhibiteur intime d'épaississement comportant comme principe actif un composé de formule générale (1) dans laquelle X est oxygène ou (2) (n étant un entier de 0 à 2); R1 est hydrogène ou acyle; R2 est hydrogène, alkyle inférieur, ou alcényle inférieur; R3 est alkyle inférieur; et R4, R5 et R6 sont chacun indépendamment hydrogène, ou alkyle facultativement substitué; ou alors R3 et R4 peuvent être réunis pour former un cycle à 5 éléments, ou bien R5 et R6 peuvent être réunis pour former un groupe cycloalkyle, sous réserve que lorsque le cycle formé par R3 et R4 est un benzofurane ou un benzo[b]thiophène, R6 soit nul.
Cynshi Osamu
Kato Yoshiaki
Sekimori Reiko
Chugai Seiyaku Kabushiki Kaisha
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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