(2R,4R)-4-hydroxy-2-(1,2:3,4-di-O-isopropylidene-α-D-galacto-pentopyranos-5-yl)pyrrolidine | 727992-37-2

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氧吡喃
• 英文名称: (2R,4R)-4-hydroxy-2-(1,2:3,4-di-O-isopropylidene-α-D-galacto-pentopyranos-5-yl)pyrrolidine
• 英文别名: (3R,5R)-5-[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]pyrrolidin-3-ol
• CAS: 727992-37-2
• 化学式: C₁₅H₂₅NO₆
• 分子量: 315.367
• InChiKey: OWRBDXFZKKDMKX-XOCXMCIUSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.2
• 重原子数：
  22
• 可旋转键数：
  1
• 环数：
  4.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  78.4
• 氢给体数：
  2
• 氢受体数：
  7

反应信息

• 作为反应物：
  描述：

  (2R,4R)-4-hydroxy-2-(1,2:3,4-di-O-isopropylidene-α-D-galacto-pentopyranos-5-yl)pyrrolidine 在 三氟乙酸 作用下， 以98%的产率得到(2R,4R)-4-hydroxy-2-(α-D-galacto-pentopyranos-5-yl)pyrrolidine
  参考文献：
  名称：

  由d-半乳糖和d-葡萄糖立体选择性合成3-糖基-5-甲氧基羰基-异恶唑烷

  摘要：

  据报道，丙烯酸甲酯的区域和立体选择性环加成反应衍生自d-半乳糖和d-葡萄糖的C-糖基硝酮，得到5-甲氧基羰基-3-（戊糖5-基或戊醇-1-基）异恶唑烷。实现了其中之一向4-羟基-2-（五糖基-5-基）吡咯烷衍生物的转化，该衍生物可能在制备多羟基-过氢氮杂azazulenes的途径中有用。

  DOI：

  10.1016/j.tetlet.2004.04.161
• 作为产物：
  描述：

  (Z)-N-benzyl-(1,2:3,4-di-O-isopropylidene-α-D-galactopyranos-6-ylidene)amine N-oxide 在 lithium aluminium tetrahydride 、 molybdenum hexacarbonyl 作用下， 以 水 、 甲苯 、 乙腈 为溶剂， 生成 (2R,4R)-4-hydroxy-2-(1,2:3,4-di-O-isopropylidene-α-D-galacto-pentopyranos-5-yl)pyrrolidine
  参考文献：
  名称：

  由d-半乳糖和d-葡萄糖立体选择性合成3-糖基-5-甲氧基羰基-异恶唑烷

  摘要：

  据报道，丙烯酸甲酯的区域和立体选择性环加成反应衍生自d-半乳糖和d-葡萄糖的C-糖基硝酮，得到5-甲氧基羰基-3-（戊糖5-基或戊醇-1-基）异恶唑烷。实现了其中之一向4-羟基-2-（五糖基-5-基）吡咯烷衍生物的转化，该衍生物可能在制备多羟基-过氢氮杂azazulenes的途径中有用。

  DOI：

  10.1016/j.tetlet.2004.04.161

文献信息

• A short and highly stereoselective route to polyhydroxy-perhydroazaazulenes via a C-(d-galacto-pentopyranos-5-yl)isoxazolidine
  作者：Ma Isabel Torres-Sánchez、Pastora Borrachero、Francisca Cabrera-Escribano、Manuel Gómez-Guillén、Manuel Angulo-Álvarez、Ma Jesús Diánez、Ma Dolores Estrada、Amparo López-Castro、Simeón Pérez-Garrido

  DOI：10.1016/j.tetasy.2005.10.023

  日期：2005.11

  A short and efficient route to enantiomerically pure hexahydroxy- and pentahydroxy-perhydroazaazulenes, ring-homologues of castanospermine, starting from the sole isoxazolidine derivative obtained in the 1,3-dipolar cycloaddition of a D-galactose-derived nitrone and methyl acrylate, is established. The procedure allows both backbone and stereochemical modulation of the products by choice of the starting monosaccharide. Structural assignment was based on crystallographic analysis of the starting isoxazolidine and NMR techniques. The products were tested for inhibitory activity against several glycosidases. (c) 2005 Elsevier Ltd. All rights reserved.
• 1,3-Dipolar cycloaddition reaction of a d-galactose derived nitrone with allyl alcohol: synthesis of polyhydroxylated perhydroazaazulene alkaloids
  作者：Omprakash P. Bande、Vrushali H. Jadhav、Vedavati G. Puranik、Dilip D. Dhavale

  DOI：10.1016/j.tetasy.2007.05.012

  日期：2007.6

  Diastereofacial intermolecular 1,3-dipolar cycloaddition of D-galactose derived nitrone with allyl alcohol followed by tosylation afforded, in a 1:1 ratio endo- and exo-isooxazolidines 4a and 4b with complete diastereoselectivity at the nitrone carbon. The N-O bond reductive cleavage and S(N)2 displacement afforded the pyrrolidine ring with a galactose appendage that on acetonide cleavage and reductive amino-cyclization afforded pentahydroxylated perhydroazaazulenes 1a and 1b. (C) 2007 Elsevier Ltd. All rights reserved.