New antiviral substituted pyrimidinedione homocarbocylic nucleoside derivatives and methods for preparation thereof and composition containing the same as active ingredients

• Main Authors: CHO EUI-HWAN, CHUNG SUN-GAN, KIM JOONG-YOUNG
• Format: Patent
• Language: English
• Published: 16.10.2002
• Edition: 7
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS

PCT No. PCT/KR96/00265 Sec. 371 Date Jan. 21, 1998 Sec. 102(e) Date Jan. 21, 1998 PCT Filed Dec. 30, 1996 PCT Pub. No. WO97/30979 PCT Pub. Date Aug. 28, 1997The present invention relates to novel compound of general formula (I) and pharmaceutically acceptable salts thereof, and process for the preparation of such derivatives and to pharmaceutical compositions containing the same as active ingredients. wherein R1, R2, and R3 represents independently hydrogen atom, halogen atom, C1-C10 alkyl, C1-C10 thioalkyl, C3-C8 optionally substituted cyclicalkyl, unsaturated alkyl, substituted alkyl hydroxyl or aryl hydroxyl, C1-C10 alkylamine, nitro, C1-C4 lower ester, C1-C4 lower alkoxy, C1-C4 lower thioalkoxy; Z represents oxygen atom, sulfur atom, carbon atom and carbonyl group; X represents oxygen atom, sulfur atom; n represents an integer of 1-3; and (sub)cycloalk(en)yl represents in which R4 and R5 represents independently hydrogen atom, hydroxymethyl, protected hydroxymethyl, benzyl, substituted carbonyl, substituted alkylsulfonyl or arylsulfonyl, substituted silyl or the like.