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

• 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: (2S,3R)-ethyl 3-formyl-2-(4-methoxyphenylamino)-4,4-dimethylpentanoate
• 英文别名: ethyl (2S,3R)-3-formyl-2-(p-methoxyphenylamino)-4,4-dimethylpentanoate；ethyl (2S,3R)-3-formyl-2-(4-methoxyanilino)-4,4-dimethylpentanoate
• 化学式: C₁₇H₂₅NO₄
• 分子量: 307.39
• InChiKey: JLDUWZXEPDNBAE-GJZGRUSLSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.9
• 重原子数：
  22
• 可旋转键数：
  9
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.53
• 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：

  3,3-二甲基丁醛 、 Acetic acid, [(4-methoxyphenyl)imino]-, ethyl ester, (2E)- 在 (S)-3-CF₃SO₂NH-2,2'-CH₂-NH-CH₂-1,1'-binaphthalene 作用下， 以 1,4-二氧六环 为溶剂， 反应 16.0h， 以42%的产率得到(2S,3R)-ethyl 3-formyl-2-(4-methoxyphenylamino)-4,4-dimethylpentanoate
  参考文献：
  名称：

  轴向手性氨基磺酰胺作为有机催化剂催化的抗选择性直接不对称曼尼希反应

  摘要：

  已经以高度抗选择性和对映选择性方式开发了使用新型轴向手性氨基三氟甲磺酰胺 (S)-3 的直接不对称曼尼希反应。因此，在催化量的 (S)-3 存在下，醛和 α-亚氨基酯 4 之间的反应顺利进行，得到具有比以前可能更高的反/顺比和对映选择性的功能性 β-氨基醛。

  DOI：

  10.1021/ja056008w

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 Designer Axially Chiral Amino Sulfonamide as an Efficient Organocatalyst for Direct Asymmetric<i>anti</i>-Selective Mannich Reactions and<i>syn</i>-Selective Cross-Aldol Reactions
  作者：Taichi Kano、Yukako Yamaguchi、Keiji Maruoka

  DOI：10.1002/chem.200900267

  日期：2009.7.6

  Amino sulfonamide catalyst: A distal proton of the axially chiral amino sulfonamide (S)‐1 realized the opposite diastereoselectivity in Mannich and cross‐aldol reactions compared with that observed in proline‐catalyzed reactions. The reactions catalyzed by (S)‐1 proceeded smoothly to give the anti‐Mannich and syn‐aldol adducts in excellent enantioselectivity (see scheme).

  氨基磺酰胺催化剂：与脯氨酸催化反应相比，轴向手性氨基磺酰胺（S）-1的远端质子在曼尼希和交叉羟醛反应中实现了相反的非对映选择性。由（S）-1催化的反应进行得很顺利，从而得到了具有出色对映选择性的抗曼尼希和顺式醇醛加合物（参见方案）。
• Indoline-3-Carboxylic Acid Derived Organocatalysts for the anti-Mannich Reaction
  作者：Jörg Pietruszka、Robert Christian Simon

  DOI：10.1002/chem.201002130

  日期：2010.12.27

  Mannich type reactions of a preformed aldimine with various carbonyl compounds were investigated with a series of functionalised indoline derivatives as catalysts: indoline‐3‐carboxylic acid, the diphenylcarbinol analogue and O‐protected silyl ether analogues. All compounds were readily prepared in enantiopure form by using an enzymatic kinetic resolution as a key step (E≫100). The alcohol and ether

  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。
• Catalysis of 3-Pyrrolidinecarboxylic Acid and Related Pyrrolidine Derivatives in Enantioselective <i>anti</i>-Mannich-Type Reactions:  Importance of the 3-Acid Group on Pyrrolidine for Stereocontrol
  作者：Haile Zhang、Susumu Mitsumori、Naoto Utsumi、Masanori Imai、Noemi Garcia-Delgado、Maria Mifsud、Klaus Albertshofer、Paul Ha-Yeon Cheong、K. N. Houk、Fujie Tanaka、Carlos F. Barbas

  DOI：10.1021/ja074907+

  日期：2008.1.1

  The development of enantioselective anti-selective Mannich-type reactions of aldehydes and ketones with imines catalyzed by 3-pyrrolidinecarboxylic acid and related pyrrolidine derivatives is reported in detail. Both (3R,5R)-5-methyl-3-pyrrolidinecarboxylic acid and (R)-3-pyrrolidinecarboxylic acid efficiently catalyzed the reactions of aldehydes with alpha-imino esters under mild conditions and afforded anti-Mannich products with high diastereo- and enantioselectivities (anti/syn up to 99:1, up to >99% ee). For the reactions of ketones with a-imino esters, (R)-3-pyrrolidinecarboxylic acid was an efficient catalyst (anti/syn up to >99:1, up to 99% ee). Evaluation of a series of pyrrolidine-based catalysts indicated that the acid group at the beta-position of the pyrrolidine ring of the catalyst played an important role in forwarding the carbon-carbon bond formation and in directing anti-selectivity and enantioselectivity.