ethyl (2R,3S)-3-formyl-2-(4-methoxyphenylamino)-pentanoate

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: ethyl (2R,3S)-3-formyl-2-(4-methoxyphenylamino)-pentanoate
• 英文别名: (2R,3S)-ethyl 3-formyl-2-(4-methoxyphenylamino)pentanoate；ethyl (2R,3S)-3-formyl-2-(4-methoxyanilino)pentanoate
• 化学式: C₁₅H₂₁NO₄
• 分子量: 279.336
• InChiKey: DYCSJQDOBGQFHO-BXUZGUMPSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.1
• 重原子数：
  20
• 可旋转键数：
  9
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.47
• 拓扑面积：
  64.6
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  ethyl (4-methoxyphenylimino)acetate 、 正丁醛 在 indolin-3-yldiphenylmethanol 作用下， 以 甲苯 为溶剂， 反应 1.0h， 以78%的产率得到ethyl (2R,3S)-3-formyl-2-(4-methoxyphenylamino)-pentanoate
  参考文献：
  名称：

  吲哚-3-羧酸衍生的有机催化剂用于抗曼尼希反应

  摘要：

  用一系列功能化的吲哚衍生物作为催化剂，研究了预制的醛亚胺与各种羰基化合物的曼尼希型反应：吲哚啉-3-羧酸，二苯甲醇类似物和O保护的甲硅烷基醚类似物。通过将酶动力学拆分作为关键步骤，可以容易地以对映纯形式制备所有化合物（E = 100）。醇和醚催化剂无法诱导完全的手性转移，但确实提供了高收率和高非对映异构体比例的曼尼希碱，而酸催化剂则以高度非对映和对映选择性的方式提供了产物。产品的绝对配置由syn - anti确定 异构化协议，是由空间要求苛刻的1,8-二氮杂双环[5.4.0] undec-7-ene引发的。

  DOI：

  10.1002/chem.201002130

文献信息

• anti-Selective SMP-catalyzed direct asymmetric Mannich-type reactions: synthesis of functionalized amino acid derivatives
  作者：Armando Córdova、Carlos F Barbas

  DOI：10.1016/s0040-4039(02)01772-0

  日期：2002.10

  The first (S)-2-methoxymethylpyrrolidine (SMP)-catalyzed direct asymmetric Mannich-type reactions of unmodified aldehydes with N-PMP-protected α-imino ethyl glyoxylate are described. The reaction proceeded in a highly anti-selective manner (dr up to 19:1) with enantioselectivities between 74 and 92%.

  描述了未改性的醛与N -PMP保护的α-亚氨基乙基乙醛酸酯的第一（S）-2-甲氧基甲基吡咯烷（SMP）催化的直接不对称曼尼希型反应。反应以高度反选择性的方式（dr高达19：1）进行，对映选择性在74％至92％之间。
• Design of a C2-symmetric chiral pyrrolidine-based amino sulfonamide: application to anti-selective direct asymmetric Mannich reactions
  作者：Taichi Kano、Yoshio Hato、Keiji Maruoka

  DOI：10.1016/j.tetlet.2006.09.147

  日期：2006.11

  The anti-selective direct asymmetric Mannich reaction was found to be efficiently catalyzed by the novel pyrrolidine-based amino sulfonamide (R,R)-2 prepared from l-tartaric acid.

  所述抗-选择性直接不对称曼尼希反应被发现通过新的吡咯烷基氨基磺酰胺（被有效地催化- [R ，- [R ）- 2从1-酒石酸制备。
• A General Organocatalyst for Direct α-Functionalization of Aldehydes:  Stereoselective C−C, C−N, C−F, C−Br, and C−S Bond-Forming Reactions. Scope and Mechanistic Insights
  作者：Johan Franzén、Mauro Marigo、Doris Fielenbach、Tobias C. Wabnitz、Anne Kjærsgaard、Karl Anker Jørgensen

  DOI：10.1021/ja056120u

  日期：2005.12.1

  The development of a general organocatalyst for the alpha-functionalization of aldehydes, via an enamine intermediate, is presented. Based on optically active alpha,alpha-diarylprolinol silyl ethers, the scope and applications of this catalyst for the stereogenic formation of C-C, C-N, C-F, C-Br, and C-S bonds are outlined. The reactions all proceed in good to high yields and with excellent enantioselectivities. Furthermore, we will present mechanistic insight into the reaction course applying nonlinear effect studies, kinetic resolution, and computational investigations leading to an understanding of the properties of the alpha,alpha-diarylprolinol silyl ether catalysts.
• 3-Trifluoromethanesulfonamido-pyrrolidine:  A General Organocatalyst for <i>anti</i>-Selective Mannich Reactions
  作者：Mickael Pouliquen、Jérôme Blanchet、Marie-Claire Lasne、Jacques Rouden

  DOI：10.1021/ol8000975

  日期：2008.3.1

  Mannich-type reactions of a glyoxylate imine with carbonyl compounds catalyzed by 3-trifluoromethanesulfonamidopyrrolidine proceed with high yields and anti-stereoselectivity. The catalyst is easily prepared and the transformation appears to be quite general accommodating aldehydes or ketones.