(S)-(-)-N-(2-methyl-1-phenylpropyl)-4-methylbenzenesulfonamide | 627503-87-1

• 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: (S)-(-)-N-(2-methyl-1-phenylpropyl)-4-methylbenzenesulfonamide
• 英文别名: (S)-4-methyl-N-(2-methyl-1-phenylpropyl)benzenesulfonamide；4-methyl-N-[(1S)-2-methyl-1-phenylpropyl]benzenesulfonamide
• CAS: 627503-87-1
• 化学式: C₁₇H₂₁NO₂S
• 分子量: 303.425
• InChiKey: BEKUUDPBSKMPRV-KRWDZBQOSA-N

物化性质

• 熔点：
  152 °C
• 沸点：
  437.2±48.0 °C(Predicted)
• 密度：
  1.133±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.1
• 重原子数：
  21
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  54.6
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  (S)-(+)-2,3-dihydro-3-isopropyl-2-(toluene-4-sulfonyl)benzo[d]isothiazole 在 镍 作用下， 以 乙醇 为溶剂， 反应 0.33h， 以81%的产率得到(S)-(-)-N-(2-methyl-1-phenylpropyl)-4-methylbenzenesulfonamide
  参考文献：
  名称：

  ortho-Metalation of Enantiopure Aromatic Sulfoxides and Stereocontrolled Addition to Imines

  摘要：

  Enantiopure aromatic (phenyl, naphthyl) and heteroaromatic (pyridyl, quinolyl, diazinyl) sulfoxides have been synthesized by reaction of (S)-tert-butyl tert-butanethiosulfinate with aryl- or heteroaryllithium derivatives. The ortho-directed metalation of the sulfoxides was performed with lithium bases. Subsequent addition of the lithiated intermediates to N-tosylimines afforded tosylaminoalkyl tert-butylsulfinyl arenes. In most cases a complete asymmetric induction was highlighted in favor of (S,S) isomers. Heating the aminosulfoxides provided an original cyclization to form novel cyclic sulfenamides. A novel enantiopure synthesis of a benzylamine was described. An application of an enantiopure aminosulfoxide as N,S ligand for the asymmetric catalysis of allylic nucleophilic substitution has been successfully tested.

  DOI：

  10.1021/jo052358p

文献信息

• Chiral N-Heterocyclic Carbene Ligands Bearing a Pyridine Moiety for the Copper-Catalyzed Alkylation of<i>N</i>-Sulfonylimines with Dialkylzinc Reagents
  作者：Takahiro Soeta、Tomohiro Ishizaka、Yuta Tabatake、Yutaka Ukaji

  DOI：10.1002/chem.201404241

  日期：2014.12.8

  Amino acid‐derived chiral imidazolium salts, each bearing a pyridine ring, were developed as N‐heterocyclic carbene ligands. The copper‐catalyzed asymmetric alkylation of various N‐sulfonylimines with dialkylzinc reagents in the presence of these chiral imidazolium salts afforded the corresponding alkylated products with high enantioselectivity (up to 99 % ee). The addition of HMPA to the reaction

  氨基酸衍生的手性咪唑鎓盐（每个带有吡啶环）被开发为N杂环卡宾配体。在存在这些手性咪唑鎓盐的情况下，用二烷基锌试剂对各种N-磺酰亚胺类化合物进行铜催化的不对称烷基化反应，可得到具有高对映选择性（最高ee高达99％）的相应烷基化产物。就化学收率和对映选择性而言，将HMPA作​​为共溶剂添加到反应混合物中至关重要。发现广泛的N-磺酰亚胺碱和二烷基锌试剂适用于该反应。
• Asymmetric Alkylation of <i>N</i>-Toluenesulfonylimines with Dialkylzinc Reagents Catalyzed by Copper−Chiral Amidophosphine
  作者：Takahiro Soeta、Kazushige Nagai、Hidetaka Fujihara、Masami Kuriyama、Kiyoshi Tomioka

  DOI：10.1021/jo035234q

  日期：2003.12.1

  amidophosphine ligand 5 bearing two bulky substituents, 2,4,6-trimethylphenylmethyl or 2,4,6-triisopropylphenylmethyl groups, on the pyrrolidine ring was improved by employing the borane-THF reduction of the lactam-alcohol intermediate 8. The resulting amino alcohol was selectively acylated to give an amide-alcohol 11, which was then converted to the chloride 12 in 55-73% yields by the treatment with

  通过使用内酰胺醇中间体的硼烷-THF还原反应改进了吡咯烷环上带有两个庞大的2,4,6-三甲基苯基甲基或2,4,6-三异丙基苯基甲基取代基的手性酰胺基膦配体5的合成程序8.将得到的氨基醇选择性地酰化，得到酰胺-醇11，然后通过用甲磺酰氯的可力丁处理将其转化为氯化物12，产率为55-73％。氯化物12与NaPPh（2）在二恶烷-THF中的反应以可接受的高产率82-83％得到酰胺基膦5。将二烷基锌试剂的己烷溶液加到催化量的氨基膦5，铜物质的混合物中，苯甲醛在甲苯中的N-甲苯磺酰亚胺化合物1a提供了一种溶液，该溶液以高收率和高达96％的对映选择性得到烷基化的酰胺3。对铜源和溶剂的调查得出的结论是，三氟甲磺酸铜（II）和三氟甲磺酸铜（I）-苯配合物是良好的铜源，而甲苯则是溶剂的选择。用二乙基锌成功地将芳基醛，糠醛和链烷烃的N-甲苯磺酰亚胺1a-e乙基化，得到令人满意的69-97％的产率和86-96％
• Palladium-Catalyzed Enantioselective Three-Component Synthesis of α-Substituted Amines
  作者：Tamara Beisel、Georg Manolikakes

  DOI：10.1021/acs.orglett.5b01502

  日期：2015.6.19

  palladium-catalyzed, enantioselective three-component synthesis of α-arylamines starting from sulfonamides, aldehydes, and arylboronic acids has been developed. These reactions generate a wide array of α-arylamines with high yields and enantioselectivities. Notably, this process is tolerant to air and moisture, providing an operationally simple approach for the synthesis of chiral α-arylamines.

  从磺酰胺，醛和芳基硼酸开始，已经开发了第一个常规的钯催化，对映选择性三组分合成α-芳基胺。这些反应产生高产率和对映选择性的多种α-芳基胺。值得注意的是，该方法耐受空气和湿气，为合成手性α-芳基胺提供了操作上简单的方法。
• <b>Highly Enantioselective Ferrocenyl Palladacycle-Acetate Catalysed Arylation of Aldimines and Ketimines with Arylboroxines</b>
  作者：Carmen Schrapel、Wolfgang Frey、Delphine Garnier、René Peters

  DOI：10.1002/chem.201605244

  日期：2017.2.16

  importance. An attractive strategy is the arylation of imines with organoboron reagents. Chiral Rh complexes have reached a high level of productivity for this reaction type. In this article we describe that an electron rich PdII catalyst also performs well in the arylation of aldimines, comparable to the best Rh catalysts. The ferrocenyl palladacycle‐acetate catalyst allows for a broad substrate scope and

  苯甲酰N取代的立体中心构成药物中的常见结构基序。因此，它们的高度对映选择性的产生具有技术重要性。一种有吸引力的策略是亚胺与有机硼试剂的芳基化。对于这种反应类型，手性Rh配合物已经达到很高的生产率。在本文中，我们描述了富电子的Pd II与最佳的Rh催化剂相比，该催化剂在醛亚胺的芳基化中也表现出色。二茂铁戊四环乙酸酯催化剂可实现较宽的底物范围和极高的对映选择性。常见的副反应如芳基-芳基均偶联和亚胺水解可被阻止。机理研究表明，a）乙酸盐配体对于金属转移至关重要，b）活性催化剂很可能是保拉达环-OAc单体，c）限速步骤可能是产物释放。通过添加KOAc，芳基化反应也可以应用于酮亚胺。
• Exogenous-Base-Free Palladacycle-Catalyzed Highly Enantioselective Arylation of Imines with Arylboroxines
  作者：Carmen Schrapel、René Peters

  DOI：10.1002/anie.201501846

  日期：2015.8.24

  Enantiomerically pure benzylic amines are important for the development of new drugs. A readily accessible planar‐chiral ferrocene‐derived palladacycle is shown to be a highly efficient catalyst for the formation of N‐substituted benzylic stereocenters; this catalyst accelerates the 1,2‐addition of arylboroxines to aromatic and aliphatic imines with exceptional levels of enantioselectivity. Using aldimines

  对映体纯的苄基胺对于新药的开发很重要。易于获得的平面手性二茂铁衍生的palladacycle被证明是形成N取代的苄基立体中心的高效催化剂。这种催化剂以极高的对映选择性加速芳基硼氧烷与芳族和脂族亚胺的1,2-加成反应。当乙酸盐用作阴离子配体时，使用醛亚胺对硼氧烷的活化不是必需的外源性碱。常见的问题（如芳基-芳基均偶联和亚胺水解）已被完全克服，后者即使在没有分子筛的情况下也是如此。