Synthesis of D‐Altritol Nucleosides with a 3′‐<i>O‐Tert</i>‐Butyldimethylsilyl Protecting Group
作者:Michael Abramov、Arnaud Marchand、Agnes Calleja‐Marchand、Piet Herdewijn
DOI:10.1081/ncn-120028338
日期:2004.1.1
Four D‐altritol nucleosides with a 3′‐O‐tert‐butyldimethylsilyl protecting group are synthesized (base moieties are adenine, guanine, thymine and 5‐methylcytosine). The nucleosides are obtained by ring opening reaction of 1,5:2,3‐dianhydro‐4,6‐O‐benzylidene‐D‐allitol. Optimal reaction circumstances (NaH, LiH, DBU, phase transfer, microwave irridation) for the introduction of the heterocycles are base‐specific
合成了四个带有 3'-O-叔丁基二甲基甲硅烷基保护基团的 D-altriitol 核苷(碱基部分是腺嘌呤、鸟嘌呤、胸腺嘧啶和 5-甲基胞嘧啶)。核苷是通过 1,5:2,3-二脱水-4,6-O-亚苄基-D-阿糖醇的开环反应获得的。引入杂环的最佳反应环境(NaH、LiH、DBU、相转移、微波辐照)是碱特异性的。为了引入 3'-O-甲硅烷基保护基团,需要较长的反应时间和几当量的叔丁基二甲基甲硅烷基氯。†为了纪念和庆祝 Leroy B. Townsend 教授 70 岁生日。