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Ribonucleic acid compound and method of liquid-phase synthesis of oligonucleic acid compound
申请人:Ohgi Tadaaki
公开号:US20070172925A1
公开(公告)日:2007-07-26
A novel phosphotriesterified ribonucleic acid compound which is important for liquid-phase synthesis of oligo-RNA is provided.
Examples of the ribonucleic acid compound of the invention may include ribonucleic acid compounds represented by the following general formula:
(wherein B represents adenine, guanine, cytosine or uracil or a modified form thereof; R
21
represents aryl which may be substituted or a monocyclic or bicyclic heterocyclic group which may be substituted; R
20
represents H or alkyl which may be substituted; and R
1
represents a protecting group which can be removed at 90% or more at a temperature in the range from 0° C. to 60° C. under acidic conditions at a pH value from 2 to 4 within 24 hours).
本发明提供了一种新型的磷酸三酯化核糖核酸化合物,对于寡核苷酸的液相合成非常重要。本发明的核糖核酸化合物的例子可能包括以下通式所代表的核糖核酸化合物:(其中B代表腺嘌呤、鸟嘌呤、胞嘧啶或尿嘧啶或其修饰形式;R21代表可以被取代的芳基或可以被取代的单环或双环杂环基团;R20代表氢或可以被取代的烷基;R1代表保护基,在pH值为2至4的酸性条件下,在24小时内在0℃至60℃的温度范围内可以去除90%或更多的保护基)。
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Ohtsuka, Eiko; Matsugi, Jitsuhiro; Yamane, Akio, Chemical and pharmaceutical bulletin, 1985, vol. 33, # 10, p. 4152 - 4159
作者:Ohtsuka, Eiko、Matsugi, Jitsuhiro、Yamane, Akio、Morioka, Hiroshi、Ikehara, Morio
DOI:——
日期:——
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Iwai, Shigenori; Asaka, Miyuki; Inoue, Hideo, Chemical and pharmaceutical bulletin, 1985, vol. 33, # 10, p. 4618 - 4620
作者:Iwai, Shigenori、Asaka, Miyuki、Inoue, Hideo、Ohtsuka, Eiko
DOI:——
日期:——
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Kawase, Yasutoshi; Koizumi, Makoto; Iwai, Shigenori, Chemical and pharmaceutical bulletin, 1989, vol. 37, # 9, p. 2313 - 2317
作者:Kawase, Yasutoshi、Koizumi, Makoto、Iwai, Shigenori、Ohtsuka, Eiko
DOI:——
日期:——
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KAWASE, YASUTOSHI;KOIZUMI, MAKOTO;IWAI, SHIGENORI;OHTSUKA, EIKO, CHEM. AND PHARM. BULL., 37,(1989) N, C. 2313-2317
作者:KAWASE, YASUTOSHI、KOIZUMI, MAKOTO、IWAI, SHIGENORI、OHTSUKA, EIKO
DOI:——
日期:——