Abstract

The synthesis of acyclonucleosides derived from thieno[3,a-c] and thieno[2.3-c][1,2,6]thiadiazine 2,2-dioxides was achieved following the silylation method. Lipase-mediated methodology was employed for deprotection of the acyclic moieties. The antiviral effects were determined against a broad spectrum of viruses, including cytomegalo-virus (CMV) and varicella tester virus (VZV). Only minor antiviral activity against VZV was observed for those acyclonucleosides carrying a bentyl group.