摘要:
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: wherein B represents a nucleic acid base derivative; A 1 and A 2 represent, independently of each other, OR 1 or OCOR 1 ; R 1 represents a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; ℓ represents a number of 0 or 1; and m and n each represents an integer of 0-2; provided that when ℓ and m are 0, n is 0 or 2.
摘要翻译:预期具有抗病毒活性的由以下通式(I)表示的新型核酸衍生物及其生理学上可接受的盐:其中B表示核酸碱基衍生物; A 1和A 2彼此独立地表示OR 1或OCOR 1; R 1表示氢原子,取代或未取代的烷基或取代或未取代的芳基; l表示0或1的数; m和n分别表示0〜2的整数。 条件是当l和m为0时,n为0或2。
摘要:
This invention relates to oxetanocin-related compounds represented by the following formula (I): [in formula (I), R 1 , Y and B have the following meanings:
(a) R 1 represents -CH 2 0H or -CN 2 OCO-(alkyl), (b) Y represents provided that R 2 is -H, -OH or -CHzOH and R 3 is -H, -OH, halogen atom, -CH 2 OH, lower alkyl group, -CH z -N 3 , -CH 2 -F, -N 3 , -COOH, -NH 2 , -CH 2 OSO 3 H or -CH 2 OCO-(lower alkyl), and (c) B represents a residue of purine base, (d) provided that R 1 and R 3 cannot simultaneously represente -CH 2 OH]
and their salts which have activities such as an antiviral activity and the like and are expectedly useful as a pharmaceutical and the like.
摘要:
This invention relates to cyclobutane derivatives represented by the following general formula (IV): wherein B represents a nucleic acid base and R⁴ represents hydrogen atom or a protecting group, which is expectedly useful as an antiviral agent or a carcinostatic agent.
摘要:
It was found that 2-halogeno-oxetanocin A and 4'-phosphate thereof represented by the following general formula (1):
wherein X represents a halogen atom and R represents a hydrogen atom or a phosphoric acid residue
or salts thereof exhibit a strong antiviral activity and are useful as an active ingredient of therapeutic drug for viral diseases. Further, it was also found that the compounds of this invention are characterized in that they are not inactivated by adenosine deaminase widely present in living bodies and exhibit a high residual activity.
摘要:
This invention relates to oxetanocin-related compounds represented by the following formula (I): [in formula (I), R 1 , Y and B have the following meanings: (a) R 1 represents -CH 2 0H or -CN 2 OCO-(alkyl), (b) Y represents provided that R 2 is -H, -OH or -CHzOH and R 3 is -H, -OH, halogen atom, -CH 2 OH, lower alkyl group, -CH z -N 3 , -CH 2 -F, -N 3 , -COOH, -NH 2 , -CH 2 OSO 3 H or -CH 2 OCO-(lower alkyl), and (c) B represents a residue of purine base, (d) provided that R 1 and R 3 cannot simultaneously represente -CH 2 OH] and their salts which have activities such as an antiviral activity and the like and are expectedly useful as a pharmaceutical and the like.
摘要:
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: wherein B represents a nucleic acid base derivative; A 1 and A 2 represent, independently of each other, OR 1 or OCOR 1 ; R 1 represents a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; ℓ represents a number of 0 or 1; and m and n each represents an integer of 0-2; provided that when ℓ and m are 0, n is 0 or 2.
摘要:
This invention relates to cyclobutane derivatives represented by the following general formula (IV): wherein B represents a nucleic acid base and R⁴ represents hydrogen atom or a protecting group, which is expectedly useful as an antiviral agent or a carcinostatic agent.