N⁴-acetyl-5'-O-(tert-butyldimethylsilyl)-2',3'-didehydro-2',3'-dideoxycytidine | 119794-42-2

• 分子结构分类: 有机化合物 - 核苷、核苷酸和类似物 - 核苷和核苷酸类似物
• 英文名称: N⁴-acetyl-5'-O-(tert-butyldimethylsilyl)-2',3'-didehydro-2',3'-dideoxycytidine
• 英文别名: N4-Acetyl-5'-O-tert-butyldimethylsilyl-2',3'-didehydro-2',3'-dideoxycytidine；N-[1-[(2R,5S)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,5-dihydrofuran-2-yl]-2-oxopyrimidin-4-yl]acetamide
• CAS: 119794-42-2
• 化学式: C₁₇H₂₇N₃O₄Si
• 分子量: 365.505
• InChiKey: OICBOIKIZDGVRS-DZGCQCFKSA-N

物化性质

• 密度：
  1.15±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.68
• 重原子数：
  25
• 可旋转键数：
  6
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.59
• 拓扑面积：
  80.2
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  N⁴-acetyl-5'-O-(tert-butyldimethylsilyl)-2',3'-didehydro-2',3'-dideoxycytidine 在 palladium on activated charcoal 甲醇 、 四丁基氟化铵 、 氢气 、 三乙胺 作用下， 以 四氢呋喃 、 甲醇 为溶剂， 反应 9.08h， 生成 2,3-二脱氧胞啶
  参考文献：
  名称：

  Syntheses of the anti-AIDS drug 2',3'-dideoxycytidine from cytidine

  摘要：

  Two efficient syntheses of the anti-AIDS drug 2',3'-dideoxycytidine (3) from N4-acetylcytidine (4) are described. In one, silylation of the C-5' hydroxyl group of 4 with tert-butyldimethylsilyl chloride followed by treatment with 1',1'-(thiocarbonyl)diimidazole gave the cyclic thionocarbonate 7, which on reaction with 1,3-dimethyl-2-phenyl-1,3-diazaphospholidine gave the crystalline alkene 8. Hydrogenation of 8, followed by desilylation with tetrabutylammonium fluoride and hydrolysis, gave 3 in 27% overall yield from 4. In the other synthesis, 4 was converted into a regioisomeric mixture of bromo acetates 11 with 2-acetoxy-2-methylpropanoyl bromide. Reductive elimination of 11 with zinc-copper couple in acetic acid or electrochemically gave the crystalline alkene 15, whose stereostructure was established by a single-crystal X-ray analysis. Hydrogenation of 15, followed by hydrolysis, gave ddC (3). In a through process, which is suitable for large-scale work, this second synthesis gave 3 in over 40% overall yield from 4. The use of (S)-(-)-2-acetoxypropanoyl bromide, of 2-acetoxybenzoyl bromide, and of hydrogen bromide/acetic acid in the bromoacetylation of 4 is also described.

  DOI：

  10.1021/jo00038a042
• 作为产物：
  描述：

  N-乙酰基-5'-O-[(叔丁基)二甲基硅烷基]胞苷 在 偶氮二异丁腈 、 三(三甲基硅基)硅烷 、 sodium hydride 作用下， 以 四氢呋喃 、 苯 为溶剂， 反应 4.0h， 生成 N⁴-acetyl-5'-O-(tert-butyldimethylsilyl)-2',3'-didehydro-2',3'-dideoxycytidine
  参考文献：
  名称：

  通过硫代氨基甲酸酯衍生物将邻二醇进行自由基基转化为烯烃：2'，3'-didehydro-2'，3'-dideoxynucleosides的简单方法

  摘要：

  已显示，在偶氮二异丁腈的存在下，由邻二醇与异硫氰酸苯酯反应制得的双-O-硫代氨基甲酸酯衍生物被三（三甲基甲硅烷基）硅烷还原，以高收率提供了相应的烯烃。这样，通过相应的核糖核苷通过双-O-硫代羰基氨基甲酸酯衍生物的基于自由基的脱氧反应，制备了腺苷，鸟苷，肌苷，胞苷和尿苷的2'，3'-didehydro-2'，3'-dideoxy类似物。。

  DOI：

  10.1016/s0040-4039(03)00847-5

文献信息

• Method for the preparation of 2',3'-dideoxy and 2',3'-dideoxydide-hydro
  申请人：University of Georgia Research Foundation, Inc.

  公开号：US05455339A1

  公开（公告）日：1995-10-03

  A method for preparing 2',3'-didehydrodideoxynucleosides and the corresponding reduced 2',3'-dideoxynucleosides which includes i) preparing a nucleoside derivative of the general structure ##STR1## wherein B is a nitrogen, oxygen, or sulfur heterocycle of from C.sub.1 to C.sub.15, Y is a suitable oxygen protecting group, each R is C(S)SR', where R' is an alkyl or cyanoalkyl group of C.sub.1 to C.sub.15, or both Rs together are >C.dbd.S: and then ii) deoxygenating the nucleoside derivative to the corresponding 2',3'-didehydrodideoxynucleoside.

  一种制备2'，3'-二脱氢脱氧核苷和相应还原的2'，3'-脱氧核苷的方法，包括i）制备通式为##STR1##的核苷衍生物，其中B是一个C.sub.1到C.sub.15的氮、氧或硫杂环，Y是一个适当的氧保护基，每个R是C（S）SR'，其中R'是一个C.sub.1到C.sub.15的烷基或氰基烷基，或两个Rs在一起是>C.dbd.S：然后ii）脱氧核苷衍生物以制备相应的2'，3'-二脱氢脱氧核苷。
• General syntheses of 2',3'-dideoxynucleosides and 2',3'-didehydro-2',3'-dideoxynucleosides
  作者：C. K. Chu、V. S. Bhadti、B. Doboszewski、Z. P. Gu、Y. Kosugi、K. C. Pullaiah、P. Van Roey

  DOI：10.1021/jo00270a036

  日期：1989.4
• J. Org. Chem. 1989, 54, 2217-2225
  作者：

  DOI：——

  日期：——
• CHU, C. K.;BHADTI, V. S.;DOBOSZEWSKI, B.;GU, Z. P.;KOSUGI, Y.;PULLAIAH, K+, J. ORG. CHEM., 54,(1989) N, C. 2217-2225
  作者：CHU, C. K.、BHADTI, V. S.、DOBOSZEWSKI, B.、GU, Z. P.、KOSUGI, Y.、PULLAIAH, K+

  DOI：——

  日期：——
• Radical-based transformation of vicinal diols to olefins via thioxocarbamate derivatives: a simple approach to 2′,3′-didehydro-2′,3′-dideoxynucleosides
  作者：Makoto Oba、Mitsuteru Suyama、Atsushi Shimamura、Kozaburo Nishiyama

  DOI：10.1016/s0040-4039(03)00847-5

  日期：2003.5

  The bis-O-thioxocarbamate derivatives obtained from the reaction of vicinal diols with phenyl isothiocyanate are shown to be reduced with tris(trimethylsilyl)silane in the presence of azobisisobutyronitrile to afford the corresponding olefins in good yields. In this way, 2′,3′-didehydro-2′,3′-dideoxy analogs of adenosine, guanosine, inosine, cytidine and uridine were prepared by the radical-based deoxygenation

  已显示，在偶氮二异丁腈的存在下，由邻二醇与异硫氰酸苯酯反应制得的双-O-硫代氨基甲酸酯衍生物被三（三甲基甲硅烷基）硅烷还原，以高收率提供了相应的烯烃。这样，通过相应的核糖核苷通过双-O-硫代羰基氨基甲酸酯衍生物的基于自由基的脱氧反应，制备了腺苷，鸟苷，肌苷，胞苷和尿苷的2'，3'-didehydro-2'，3'-dideoxy类似物。。