C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
C07H 19/173 (2006.01) C07H 15/04 (2006.01) C07H 19/06 (2006.01) C07H 19/073 (2006.01) C07H 19/16 (2006.01) C07H 23/00 (2006.01)
Patent
CA 2113065
A process is disclosed for the preparation of optically active purine nucleosides, particularly nucleosides of formulae 1 and 2, nucleoside analogs and optically active intermediates of formula 3 which may be used in the preparation of nucleosides of the formula 4 as well as a purine nucleosides and nucleoside analogs. (see formulas) The process is directed to the preparation of such compounds, including novel such compounds in their respective .alpha.- and .beta.- anomeric forms, and the enantiomeric forms of these compounds. These compounds show various levels of anti-viral and/or anti-cancer activity.
Jiang Ji-Long
Lee-Ruff Edward
Wan Wei-Qin
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Lee-Ruff Edward
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