C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 473/00 (2006.01) A61K 31/505 (2006.01) C07D 239/47 (2006.01) C07D 239/54 (2006.01)
Patent
CA 2047644
ABSTRACT A novel nucleic acid derivative represented by the following general formula (I) and physiologically acceptable salt thereof which are expected to have an antiviral activity: Image (I) wherein B represents a nucleic acid base derivative; A1 and A2 represent, independently of each other, OR1 or OCOR1; R1 represents a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubsti- tuted aryl group; ? represents a number of 0 or 1; and m and n each represents an integer of 0-2; provided that when ? and m are 0, n is 0 or 2.
Akaba Hiroshi
Hoshino Hiroo
Ichikawa Yuh-Ichiro
Matsubara Kenichi
Nagahata Takemitsu
Marks & Clerk
Nippon Kayaku Kabushiki Kaisha
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