(2R,3S)-2-benzyl-3-(tert-butyloxycarbonylamino)-4-p-toluenesulfonyloxybutanoic acid benzyl ester | 349148-29-4

• 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: (2R,3S)-2-benzyl-3-(tert-butyloxycarbonylamino)-4-p-toluenesulfonyloxybutanoic acid benzyl ester
• 英文别名: benzyl (2R,3S)-2-benzyl-4-(4-methylphenyl)sulfonyloxy-3-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate
• CAS: 349148-29-4
• 化学式: C₃₀H₃₅NO₇S
• 分子量: 553.676
• InChiKey: AWYREQNMOLIBET-KAYWLYCHSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.6
• 重原子数：
  39
• 可旋转键数：
  14
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  116
• 氢给体数：
  1
• 氢受体数：
  7

反应信息

• 作为反应物：
  描述：

  (2R,3S)-2-benzyl-3-(tert-butyloxycarbonylamino)-4-p-toluenesulfonyloxybutanoic acid benzyl ester 在 palladium on activated charcoal 氢气 、 三氟乙酸 作用下， 以 甲醇 、 二氯甲烷 为溶剂， 反应 20.0h， 生成 [R-(R*,R*)]-α-(1-aminoethyl)benzenepropanoic acid.
  参考文献：
  名称：

  Synthesis of Optically Active 2-Alkyl-3,4-iminobutanoic Acids. β-Amino Acids Containing an Aziridine Heterocycle

  摘要：

  All four stereoisomers of 2-alkyl-3,4-iminobutanoic acid, a novel class of beta -amino acids bearing a chemically versatile aziridine ring, were synthesized starting with aspartic acid. The synthetic strategy involves the introduction of an alkyl group at the beta -position of fully protected optically active aspartic acid followed by the construction of an aziridine ring making use of the alpha -carboxylate and alpha -amino groups. The alpha -carboxylate was reduced to the corresponding alcohol, which was then subjected to cyclization to form an aziridine ring with the N-protected amino group. Removal of the protection groups yielded the target compounds.

  DOI：

  10.1021/jo0014055
• 作为产物：
  描述：

  对甲苯磺酰氯 、 (2R,3S)-2-benzyl-3-(tert-butyloxycarbonylamino)-4-hydroxybutanoic acid benzyl ester 在 吡啶 作用下， 以 二氯甲烷 为溶剂， 反应 15.0h， 以62%的产率得到(2R,3S)-2-benzyl-3-(tert-butyloxycarbonylamino)-4-p-toluenesulfonyloxybutanoic acid benzyl ester
  参考文献：
  名称：

  Synthesis of Optically Active 2-Alkyl-3,4-iminobutanoic Acids. β-Amino Acids Containing an Aziridine Heterocycle

  摘要：

  All four stereoisomers of 2-alkyl-3,4-iminobutanoic acid, a novel class of beta -amino acids bearing a chemically versatile aziridine ring, were synthesized starting with aspartic acid. The synthetic strategy involves the introduction of an alkyl group at the beta -position of fully protected optically active aspartic acid followed by the construction of an aziridine ring making use of the alpha -carboxylate and alpha -amino groups. The alpha -carboxylate was reduced to the corresponding alcohol, which was then subjected to cyclization to form an aziridine ring with the N-protected amino group. Removal of the protection groups yielded the target compounds.

  DOI：

  10.1021/jo0014055

文献信息

• Synthesis of Optically Active 2-Alkyl-3,4-iminobutanoic Acids. β-Amino Acids Containing an Aziridine Heterocycle
  作者：Jeong-il Park、Guan Rong Tian、Dong H. Kim

  DOI：10.1021/jo0014055

  日期：2001.6.1

  All four stereoisomers of 2-alkyl-3,4-iminobutanoic acid, a novel class of beta -amino acids bearing a chemically versatile aziridine ring, were synthesized starting with aspartic acid. The synthetic strategy involves the introduction of an alkyl group at the beta -position of fully protected optically active aspartic acid followed by the construction of an aziridine ring making use of the alpha -carboxylate and alpha -amino groups. The alpha -carboxylate was reduced to the corresponding alcohol, which was then subjected to cyclization to form an aziridine ring with the N-protected amino group. Removal of the protection groups yielded the target compounds.