Abstract:
Methods and novel intermediates for the preparation of acyclic nucleoside derivatives of formula (I) where one of R1 and R2 is an amino acid acyl group and the other of R1 and R2 is a -C(O)C3-C21 saturated or monounsaturated, optionally substituted alkyl and R3 is OH or H; or a pharmaceutically acceptable salt thereof.
Abstract:
The present invention relates to the salt (1S,5S)-3-(5,6-dichloropyridin-3-yl)-3,6-diazabicyclo[3.2.0]heptane benzenesulfonate and to methods of preparing the salt.
Abstract:
Bencenosulfonato de (1S,5S)-3-(5,6-dicloropiridin-3-il)-3,6diazabiciclo[3.2.0]heptano cristalino demostrando al menos un pico característico en el modelo de difracción de rayos X de polvo, a valores de 2 theta de 8'8 ± 0'2, 11'8, 13'7, 15'1, 17'2, 18'5, 18'9, 20'6, 24'4, 24'7, y 27'4 ± 0'2.