Azetidinone derivatives for the treatment of hcmv infections

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 205/08 (2006.01) A61K 31/395 (2006.01) A61K 45/06 (2006.01) C07D 205/09 (2006.01) C07D 401/12 (2006.01)

Patent

CA 2301548

Compounds of formula 1: (See formula 1) wherein Y is S or O; R1 is C1-6 alkyl; (C0-6 alkyl) aryl; (C0-6 alkyl) Het; or R1 is an amino acid analog or dipeptide analog of the formula: (See formula II) wherein R2 is H, C1-10 alkyl; or an amide or ester group; A is C6-10 aryl, Het or CH-R3 wherein R3 is C1-6 alkyl or (C0-4 alkyl)aryl; and Z is H, C1-6 alkyl, or an acyl; R4 is hydrogen, lower alkyl, methoxy, ethoxy, or benzyloxy; and R5 is alkyl, cycloalkyl, carboxyl group; an aryl; Het or Het(lower alkyl); or R4 and R5 together with the nitrogen atom to which they are attached form a nitrogen containing ring optionally substituted with phenyl or C(O)OCH2-phenyl, said phenyl ring optionally mono- or di-substituted with among others C(O)OR7 wherein R7 is lower alkyl or phenyl(lower alkyl); or a therapeutically acceptable acid addition salt thereof, are described as inhibitors of human cytomegalovirus infection.

L'invention concerne un composé de formule (1) dans laquelle Y désigne S ou O; R1 désigne un alkyle C1-6; (alkyl C0-6)aryle; (alkyl C0-6)Het; ou R1 désigne un analogue d'acide aminé ou analogue dipeptidique de la formule (I) dans laquelle R2 désigne H, alkyle C1-10; ou un groupe amide ou ester; A désigne un aryle C6-10, Het ou CH-R3 où R3 désigne un alkyle C1-6 ou (alkyl C0-4)aryle; et Z désigne H, alkyle C1-6 ou un acyle; R4 désigne l'hydrogène, un alkyle inférieur, méthoxy, éthoxy ou benzyloxy; et R5 désigne un alkyle, cycloalkyle, groupe carboxyle, un aryle; Het ou Het(alkyle inférieur); ou R4 et R5 pris ensemble avec l'atome d'azote auquel ils sont liés forment un cycle contenant de l'azote éventuellement substitué par phényle ou C(O)OCH2-phényle; ledit cycle phényle éventuellement mono- ou di-substitué par entre autres C(O)OR7 où R7 désigne un alkyle inférieur ou phényl(alkyle inférieur); ou un de ses sels d'addition d'acide thérapeutiquement acceptable.

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