(2S,5R)-1-tert-butoxycarbonyl-5-hydroxymethyl-2-benzyloxymethyl pyrrolidine | 152612-42-5

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: (2S,5R)-1-tert-butoxycarbonyl-5-hydroxymethyl-2-benzyloxymethyl pyrrolidine
• 英文别名: (2R,5S)-5-benzyloxymethyl-1-tert-butoxycarbonyl-2-hydroxymethylpyrrolidine；(2S)-benzyloxymethyl-1-tert-butoxycarbonyl-(5R)-hydroxymethylpyrrolidine；tert-butyl (2R,5S)-2-(hydroxymethyl)-5-(phenylmethoxymethyl)pyrrolidine-1-carboxylate
• CAS: 152612-42-5
• 化学式: C₁₈H₂₇NO₄
• 分子量: 321.417
• InChiKey: QHQZKINEZGGOQY-CVEARBPZSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.4
• 重原子数：
  23
• 可旋转键数：
  7
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.61
• 拓扑面积：
  59
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  (2S,5R)-1-tert-butoxycarbonyl-5-hydroxymethyl-2-benzyloxymethyl pyrrolidine 在 偶氮二甲酸二异丙酯 、 palladium 10% on activated carbon 、 氢气 、 sodium hydride 、 三苯基膦 作用下， 以 四氢呋喃 、 甲醇 、 N,N-二甲基甲酰胺 为溶剂， 反应 73.0h， 生成 methyl 4-[1-tert-butoxycarbonyl-(5R)-methoxymethyl-(2S)-pyrrolidinylmethoxy]benzoate
  参考文献：
  名称：

  A novel, potent, and orally active VLA-4 antagonist with good aqueous solubility: trans-4-[1-[[2-(5-Fluoro-2-methylphenylamino)-7-fluoro-6-benzoxazolyl]acetyl]-(5S)-[methoxy(methyl)amino]methyl-(2S)-pyrrolidinylmethoxy]cyclohexanecarboxylic acid

  摘要：

  We have carried out the optimization of substituents at the C-3 or the C-5 position on the pyrrolidine ring of VLA-4 antagonist 3 with 2-(phenylamino)-7-fluorobenzoxazolyl moiety for the purpose of improving in vivo efficacy while maintaining good aqueous solubility. As a result, we successfully increased in vitro activity in the presence of 3% human serum albumin and achieved an exquisite lipophilic and hydrophilic balance of compounds suitable for oral administrative regimen. The modification resulted in the identification of zwitterionic compound 7n with (5S)-[methoxy(methyl) amino] methylpyrrolidine, which significantly alleviated bronchial hyper-responsiveness to acetylcholine chloride at 12.5 mg/kg, p.o. in a murine asthma model and showed favorable aqueous solubility (JP1, 89 mu g/mL; JP2, 462 mu g/mL). Furthermore, this compound showed good oral bioavailability (F = 54%) in monkeys. (C) 2012 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmc.2012.11.003
• 作为产物：
  描述：

  L-焦谷氨酸甲酯 在 4-二甲氨基吡啶 、 sodium tetrahydroborate 、 三氟化硼乙醚 、 4-甲基苯磺酸吡啶 、 sodium hydride 、 二异丁基氢化铝 、 potassium carbonate 作用下， 以 四氢呋喃 、 正己烷 、 二氯甲烷 、 三乙胺 、 N,N-二甲基甲酰胺 、 甲苯 、 乙腈 、 paraffin 为溶剂， 反应 23.5h， 生成 (2S,5R)-1-tert-butoxycarbonyl-5-hydroxymethyl-2-benzyloxymethyl pyrrolidine
  参考文献：
  名称：

  喹诺素及其相关化合物的合成研究。3.：合成5-取代的和3,5-二取代的2-甲酰基-吡咯烷衍生物，喹诺霉素和1的对映异构体对的关键D-环片段

  摘要：

  通过使用谷氨酸和焦谷氨酸的每种对映异构体作为手性原料，完成标题合成。

  DOI：

  10.1016/s0040-4020(01)80643-8

文献信息

• Enantioselective synthesis of 5-substituted- and 3,5-disubstituted-2-formylpyrrolidine derivatives, the key D-ring fragments of (−)-quinocarcin and (−)-10-decarboxyquinocarcin
  作者：Tadashi Katoh、Yuriko Nagata、Yuko Kobayashi、Katsuko Arai、Junko Minami、Shiro Terashima

  DOI：10.1016/s0040-4039(00)73849-4

  日期：1993.9

  The title synthesis was achieved starting from (S)-glutamic acid and (S)-pyroglutamic acid by featuring formation of an N-protected aminal, substitution of the methoxy group with cyanide anion, and reduction of the cyanide to an aldehyde as common key steps.
• Facile synthesis of N-Boc-(2S,5R)-5-(1′-hydroxy-1′-methylethyl)proline
  作者：Qian Wang、Marie-Elise Tran Huu Dau、N André Sasaki、Pierre Potier

  DOI：10.1016/s0040-4020(01)00537-3

  日期：2001.7

  Coupling of chiral 1-O-benzylglycerol-2,3-bistriflate with trilithiated chiral 2-N-Boc-3-phenylsulfonylpropan-1-ol derivative constitutes an efficient route to chiral C-5 substituted prolines which can potentially induce cis Xaa-Pro peptide bond conformation. A straightforward seven-step synthesis of the title compound is described. (C) 2001 Elsevier Science Ltd. All rights reserved.
• US7157487B2
  申请人：——

  公开号：US7157487B2

  公开（公告）日：2007-01-02
• Synthetic studies on quinocarcin and its related compounds. 3.
  作者：Tadashi Katoh、Yuriko Nagata、Yuko Kobayashi、Katsuko Arai、Junko Minami、Shiro Terashima

  DOI：10.1016/s0040-4020(01)80643-8

  日期：1994.1

  The title synthesis was accomplished by employing each enantiomer of glutamic acid and pyroglutamic acid as chiral starting materials and featuring for

  通过使用谷氨酸和焦谷氨酸的每种对映异构体作为手性原料，完成标题合成。
• A novel, potent, and orally active VLA-4 antagonist with good aqueous solubility: trans-4-[1-[[2-(5-Fluoro-2-methylphenylamino)-7-fluoro-6-benzoxazolyl]acetyl]-(5S)-[methoxy(methyl)amino]methyl-(2S)-pyrrolidinylmethoxy]cyclohexanecarboxylic acid
  作者：Masaki Setoguchi、Shin Iimura、Yuuichi Sugimoto、Yoshiyuki Yoneda、Jun Chiba、Toshiyuki Watanabe、Fumihito Muro、Yutaka Iigo、Gensuke Takayama、Mika Yokoyama、Tomoe Taira、Misato Aonuma、Tohru Takashi、Atsushi Nakayama、Nobuo Machinaga

  DOI：10.1016/j.bmc.2012.11.003

  日期：2013.1

  We have carried out the optimization of substituents at the C-3 or the C-5 position on the pyrrolidine ring of VLA-4 antagonist 3 with 2-(phenylamino)-7-fluorobenzoxazolyl moiety for the purpose of improving in vivo efficacy while maintaining good aqueous solubility. As a result, we successfully increased in vitro activity in the presence of 3% human serum albumin and achieved an exquisite lipophilic and hydrophilic balance of compounds suitable for oral administrative regimen. The modification resulted in the identification of zwitterionic compound 7n with (5S)-[methoxy(methyl) amino] methylpyrrolidine, which significantly alleviated bronchial hyper-responsiveness to acetylcholine chloride at 12.5 mg/kg, p.o. in a murine asthma model and showed favorable aqueous solubility (JP1, 89 mu g/mL; JP2, 462 mu g/mL). Furthermore, this compound showed good oral bioavailability (F = 54%) in monkeys. (C) 2012 Elsevier Ltd. All rights reserved.