2'-deoxy-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-O⁶-[2-(4-nitrophenyl)ethyl]guanosine | 111244-92-9

• 分子结构分类: 有机化合物 - 核苷、核苷酸和类似物 - 嘌呤核苷
• 英文名称: 2'-deoxy-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-O⁶-[2-(4-nitrophenyl)ethyl]guanosine
• 英文别名: 2'-deoxy-N²-{[2(4-nitrophenyl)ethoxy]carbonyl}-O⁶-[2(4-nitrophenyl)ethyl]guanosine；2-(4-nitrophenyl)ethyl N-[9-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-[2-(4-nitrophenyl)ethoxy]purin-2-yl]carbamate
• CAS: 111244-92-9
• 化学式: C₂₇H₂₇N₇O₁₀
• 分子量: 609.552
• InChiKey: NZINXVJGUPTWJA-BHDDXSALSA-N

物化性质

• 密度：
  1.62±0.1 g/cm3(Temp: 20 °C; Press: 760 Torr)(predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  44.0
• 可旋转键数：
  12.0
• 环数：
  5.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  227.13
• 氢给体数：
  3.0
• 氢受体数：
  14.0

反应信息

• 作为反应物：
  描述：

  2'-deoxy-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-O⁶-[2-(4-nitrophenyl)ethyl]guanosine 在 吡啶 作用下， 反应 32.0h， 生成 Carbonic acid (2R,3S,5R)-3-[bis-(4-methoxy-phenyl)-phenyl-methoxy]-5-{6-[2-(4-nitro-phenyl)-ethoxy]-2-[2-(4-nitro-phenyl)-ethoxycarbonylamino]-purin-9-yl}-tetrahydro-furan-2-ylmethyl ester 2-(5-dimethylamino-naphthalene-1-sulfonyl)-ethyl ester
  参考文献：
  名称：

  An Inverse Approach in Oligodeoxyribonucleotide Synthesis

  摘要：

  We synthesized 3'-O-dimethoxytrityl-5'O-phosphoramidites and 5'-O-succinates which can be used as monomeric building blocks for the built up of oligodeoxyribonucleotides in the alternative 5'-3' direction. With this inverse strategy oligonucleotide 3'-conjugates as well as 3'-3' and 5'-5' internucleotidic linkages can be easily formed.

  DOI：

  10.1080/07328319708006249
• 作为产物：
  描述：

  3',5'-di-O-acetyl-2'-deoxyguanosine 在 吡啶 、 ammonium hydroxide 、 三苯基膦 、 偶氮二甲酸二乙酯 作用下， 以 1,4-二氧六环 、 甲醇 、 氯仿 为溶剂， 反应 20.0h， 生成 2'-deoxy-N²-[2-(4-nitrophenyl)ethoxycarbonyl]-O⁶-[2-(4-nitrophenyl)ethyl]guanosine
  参考文献：
  名称：

  核苷。LI部分2-（4-硝基苯基）乙氧羰基（npeoc）和2-（2,4-二硝基苯基）乙氧羰基（dnpeoc）用于保护核糖核苷和2'-脱氧核糖核苷中的羟基官能团†

  摘要：

  常见的2'-脱氧嘧啶和-嘌呤核苷，胸腺嘧啶核苷（4），O 4- [2-（4-硝基苯基）乙基]-胸苷（17），2'-脱氧-N 4- [2-（4-硝基苯基） ）乙氧基羰基]胞嘧啶核苷（26），2'-脱氧-N 6- [2-（4-硝基苯基）-乙氧基羰基]腺苷-39和2'-脱氧-N 2- [2-（4-硝基苯基）（乙氧基羰基） ] -O 6- [2-4硝基苯基）乙基]-鸟苷（52）在糖部分的OH功能上进一步受到2-（4-硝基苯基）乙氧羰基（npeoc）和2-（2,4-二硝基苯基）乙氧羰基（dnpeoc）基团的保护，形成了新的部分和完全封闭的中间体核苷和核苷酸合成。相应的5'-O-单甲氧衍生物5，18，30，40，和56也被用来作为起始原料来合成，其没有被直接酰化得到一些其他的中间体。在核糖核苷系列中，5' - ö -monomethoxytrityl衍生物14，36，49，和63与2-（4-硝基苯基）

  DOI：

  10.1002/hlca.19930760122

文献信息

• Nucleotides. Part XLI. The 2-dansylethoxycarbonyl ( ? 2-{[5-(dimethylamino)naphthalen-1-yl]sulfonyl}ethoxycarbonyl; dnseoc) group for protection of the 5?-hydroxy function in oligodeoxyribonucleotide synthesis
  作者：Frank Bergmann、Wolfgang Pfleiderer

  DOI：10.1002/hlca.19940770123

  日期：1994.2.9

  Use of the 2-dansylethoxycarbonyl ( 2-[5-(dimethylamino)naphthalen-1-yl]sulfonyl}ethoxycarbonyl; Dnseoc) group as an intermediate 5′-OH protecting group in oligodeoxyribonucleotide synthesis using the automated phosphoramidite approach is described in a model study to an alternative strategy in RNA synthesis.

  在使用自动亚磷酰胺方法合成寡脱氧核糖核苷酸的过程中，描述了使用2-丹酰基乙氧羰基（2-[5-（二甲基氨基萘-1-基]磺酰基}乙氧羰基； Dnseoc）基团作为寡聚脱氧核糖核苷酸合成中的中间体5'-OH保护基。 RNA合成替代策略的模型研究。
• Nucleotides. Part LXXIII
  作者：Ursula Münch、Wolfgang Pfleiderer

  DOI：10.1002/hlca.200390206

  日期：2003.7

  (2-cyano-1-phenylethoxy)carbonyl (2c1peoc) group was developed as a new base-labile protecting group for the 5′-OH function in solid-phase synthesis of oligoribonucleotides via the phosphoramidite approach. The half-lives of its β-elimination process by 0.1M DBU (1,8-diazabicyclo[5.4.0]undec-7-ene) were determined to be 7–14 s by HPLC investigations. The 2′-OH function was protected with the acid-labile

  （2-氰基-1-苯基乙氧基）羰基（2c1peoc）基团被开发为通过亚磷酰胺固相合成寡核糖核苷酸的5'-OH功能的新的碱不稳定保护基。通过HPLC研究确定其通过0.1M DBU（1,8-二氮杂双环[5.4.0] undec-7-ene）进行的β消除过程的半衰期为7-14 s。酸不稳定的四氢-4-甲氧基-2 H可保护2'-OH功能-吡喃-4-基（thmp）基团，而2-（4-硝基苯基）乙基（npe）和2-（4-硝基苯基）乙氧羰基（npeoc）基团用于保护碱基和磷酸盐部分。描述了单体构件的合成，亚磷酰胺和核苷官能化的载体，以及通过这种方法的寡核糖核苷酸的积累。
• New Photolabile Protecting Groups in Nucleoside and Nucleotide Chemistry—Synthesis, Cleavage Mechanisms and Applications
  作者：H. Giegrich、S. Eisele-Bühler、Chr Hermann、E. Kvasyuk、R. Charubala、W. Pfleiderer

  DOI：10.1080/07328319808004738

  日期：1998.9

  New photolabile protecting groups have been found in the 2-(2-nitrophenyl)ethoxycarbonyl and the 2-(2-nitrophenyl)ethylsulfonyl group, respectively. The influence of substituents at the phenyl ring as well as the side-chain has been investigated regarding the photolysis rates on irradiation at 365 mn. beta-Branching in the side-chain leads to highly increased rates of photodeprotection. A new type of photocleavage mechanism consisting of a photoinduced beta-elimination process is proposed.
• Nucleotides, Part LXIII, New 2-(4-Nitrophenyl)ethyl(Npe)- and 2-(4-Nitrophenyl)ethoxycarbonyl(Npeoc)-Protected 2′-Deoxyribonucleosides and Their 3′-Phosphoramidites - Versatile Building Blocks for Oligonucleotide Synthesis
  作者：Holger Lang、Margarete Gottlieb、Michael Schwarz、Silke Farkas、Bernd S. Schulz、Frank Himmelsbach、Ramamurthy Charubala、Wolfgang Pfleiderer

  DOI：10.1002/(sici)1522-2675(19991215)82:12<2172::aid-hlca2172>3.0.co;2-r

  日期：1999.12.15

  A series of new base-protected and 5'-O-(4-monomethoxytrityl)- or 5'-O-(4,4'-dimethoxytrityl)-substituted 3'-(2-cyanoethyl diisopropylphosphoramidites) and 3'-[2-(4-nitrophenyl)ethyl diisopropylphosphoramidites] 52-66 and 67-82, respectively, are prepared as potential building blocks for oligonucleotide synthesis (see Scheme). Thus, 3',5'-di-O-acyl- and N-2,3'-O,5'-O-triacyl-2'-deoxyguanosines can easily be converted into the corresponding O-6-alkyl derivatives 6, 8, 10, 12, 14, and 16 by a Mitsunobu reaction using the appropriate alcohol. Mild hydrolysis removes the acyl groups from the sugar moiety (--> 9, 11, 13, 15, and 19 (via 18), resp.) which can then be tritylated (--> 38-42) and phosphitylated (--> 57-61) in the usual manner. N-2-[2-(4-nitrophenyl)ethoxycarbonyl]-substituted and N-2-[2-(4-nitrophenyl)ethoxycarbonyl]-O-6-[2-(4-nitrophenyl)ethyl]-substituted 2'-deoxyguanosines 5 and 7, respectively, are synthesized as new starting materials for tritylation (--> 28, 35, and 37) and phosphitylation (--> 54, 56, 70, and 78). Various O-4-alkylthymidines (see 20-24) are also converted to their 5'-O-dimethoxytrityl derivatives (see 43-47) and the corresponding phosphoramidites (see 62-66 and 79-82).
• Nucleotides, Part LXV, Synthesis of 2′-Deoxyribonucleoside 5′-Phosphoramidites: New Building Blocks for the Inverse (5′-3′)-Oligonucleotide Approach
  作者：Thomas Wagner、Wolfgang Pfleiderer

  DOI：10.1002/1522-2675(20000809)83:8<2023::aid-hlca2023>3.0.co;2-p

  日期：2000.8.9

  The syntheses of the 3'-O-(4,4'-dimethoxytrityl)-protected 5'-phosphoramidites 25-28 and 5'-(hydrogen succinates) 29-32, which can be used as monomeric building blocks for the inverse (5'-3')-oligodeoxyribonucleotide synthesis are described (Scheme). These activated nucleosides and nucleotides were obtained by two slightly different four-step syntheses starting with the base-protected nucleosides 13-20. For the protection of the aglycon residues, the well-established 2-(4-nitrophenyl)ethyl (npe) and [2-(4-nitrophenyl)ethoxy]carbonyl (npeoc) groups were used. The assembly of the oligonucleotides required a slightly increased coupling time of 3 min in application of the common protocol (see Table 1). The use of pyridinium hydrochloride as an activator (instead of 1H-tetrazole) resulted in an extremely shorter activation time of 30 seconds. We established the efficiency of this inverse strategy by the synthesis of the oligonucleotide 3'-conjugates 33 and 34 which carry lipophilic caps derived from cholesterol and vitamin E, respectively, as well as by the formation of (3'-3')- and (5'-5')-internucleotide linkages (see Table 2).