N4-substituted cytosinyl 1,3-oxathiolane nucleoside analogues, and their antiviral activity

摘要

PCT No. PCT/FR95/00683 Sec. 371 Date Jan. 19, 1996 Sec. 102(e) Date Jan. 19, 1996 PCT Filed May 24, 1995 PCT Pub. No. WO95/32200 PCT Pub. Date Nov. 30, 1995The present invention pertains to the field of organic chemistry, and particularly therapeutic chemistry. The invention provides cis-form 5-(cytosinyl-1) 1,3-oxathiolanes of general formula (I), wherein R is an acyl or aralkoyl radical, derivatized from a nitrogen monocyclic or bicyclic heterocycle, and the hydroxymethyl group in position 2 is in cis position in relation to the plane defined by positions 2 and 5. The compounds of general formula (I) are useful as active ingredients in pharmaceutical compositions, particularly with antiviral activity.