(3R)-7-methyl-5-oxo-8-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]pyridine-3-carboxylic acid methyl ester | 341027-49-4

• 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: (3R)-7-methyl-5-oxo-8-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]pyridine-3-carboxylic acid methyl ester
• 英文别名: methyl (3R)-7-methyl-5-oxo-8-phenyl-2,3-dihydro-[1,3]thiazolo[3,2-a]pyridine-3-carboxylate
• CAS: 341027-49-4
• 化学式: C₁₆H₁₅NO₃S
• 分子量: 301.366
• InChiKey: PLZLWEHNILPXQA-LBPRGKRZSA-N

物化性质

• 沸点：
  511.4±50.0 °C(Predicted)
• 密度：
  1.34±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  21
• 可旋转键数：
  3
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  71.9
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  (3R)-7-methyl-5-oxo-8-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]pyridine-3-carboxylic acid methyl ester 在 溴 、 溶剂黄146 作用下， 反应 0.17h， 以98%的产率得到(3R)-6-bromo-7-methyl-5-oxo-8-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]pyridine-3-carboxylic acid methyl ester
  参考文献：
  名称：

  微波辅助合成高度取代的氨基甲基化2-吡啶酮

  摘要：

  通过采用微波辅助有机合成（MAOS），已经建立了将氨基亚甲基取代基引入高度取代的双环2-吡啶酮的有效条件。经由氰基卤代反应引​​入伯氨基亚甲基取代基，然后硼烷二甲基硫醚还原得到的腈。在这两种转化中，微波辐射均证明优于传统条件，且伯胺的总收率良好（三步法收率为55-58％）。为了在2-吡啶酮骨架中引入叔氨基亚甲基取代基，使用预制的亚胺盐的微波辅助曼尼希反应被证明是有效的。因此，以48-93％的产率获得了高度取代的2-吡啶酮。

  DOI：

  10.1021/jo048554y
• 作为产物：
  描述：

  ethyl 2-phenylacetimidate hydrochloride 在 盐酸 、 三乙胺 作用下， 以 二氯甲烷 、 1,2-二氯乙烷 为溶剂， 反应 30.0h， 生成 (3R)-7-methyl-5-oxo-8-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]pyridine-3-carboxylic acid methyl ester
  参考文献：
  名称：

  An Enantioselective Ketene−Imine Cycloaddition Method for Synthesis of Substituted Ring-Fused 2-Pyridinones

  摘要：

  Previously, a method for the stereoselective synthesis of P-lactams, starting from 2H-Delta (2)-thiazolines and Meldrum's acid derivatives, has been reported from our laboratory. We now report a new method for the synthesis of optically active, highly substituted ring-fused 2-pyridinones. This was discovered when 2-alkyl-Delta (2)-thiazolines and Meldrum's acid derivatives were treated with HCl(g) in benzene at 5 --> 78 degreesC. Further refinement of the synthetic protocol revealed that use of 1,2-dichloroethane as solvent at 0 --> 64 degreesC led to the desired 2-pyridinones;in good yields and with excellent enantioselectivity. Use of these conditions allowed preparation of 2-pyridinones from several different Delta (2)-thiazolines and Meldrum's acid derivatives and may be a general route to 2-pyridinones.

  DOI：

  10.1021/jo015794u

文献信息

• Synthesis of a Novel Tricyclic Peptidomimetic Scaffold
  作者：Magnus Sellstedt、Fredrik Almqvist

  DOI：10.1021/ol801506y

  日期：2008.9.18

  An efficient method to synthesize a novel rigid tricyclic peptidomimetic scaffold through ring-closure of amino-functionalized bicyclic 2-pyridones has been discovered. The scaffold can function as a peptide backbone mimetic (highlighted) with two substituents independently variable to fine-tune biological response. Halogenation of the pyrazolo ring followed by Suzuki couplings made it possible to

  已发现通过氨基官能化的双环2-吡啶酮的闭环合成新型刚性三环拟肽骨架的有效方法。支架可以用作具有两个独立取代基的肽骨架模拟物（突出显示），以微调生物学反应。吡唑并环的卤化和随后的铃木偶联使在合成路线的后期引入具有可变电子性质的取代基成为可能，这在文库合成中是优选的。
• A Three-Component Reaction Forming Naphthyridones – Synthesis of Lophocladine Analogs
  作者：Magnus Sellstedt、Fredrik Almqvist

  DOI：10.1021/ol202080x

  日期：2011.10.7

  A three-component reaction forming dihydro 2,7-naphthyridine-1-ones has been developed. These unstable dihydro intermediates can be either oxidized or reduced to form naphthyridones or tetrahydro naphthyridones, respectively. The reaction tolerates a large variety of aldehydes and amines, and the produced compounds are analogs of the natural product lophocladine A.

  已开发出形成二氢 2,7-naphthyridine-1-ones 的三组分反应。这些不稳定的二氢中间体可以被氧化或还原以分别形成萘啶酮或四氢萘啶酮。该反应耐受多种醛和胺，产生的化合物是天然产物洛霍克拉定 A 的类似物。
• [EN] AMINO METHYLATED 2-PYRIDINONES<br/>[FR] 2-PYRIDINONES AMINO-METHYLES
  申请人：WASHINGTION UNIVERSITY

  公开号：WO2005102330A3

  公开（公告）日：2006-07-13
• An Enantioselective Ketene−Imine Cycloaddition Method for Synthesis of Substituted Ring-Fused 2-Pyridinones
  作者：Hans Emtenäs、Lisa Alderin、Fredrik Almqvist

  DOI：10.1021/jo015794u

  日期：2001.10.1

  Previously, a method for the stereoselective synthesis of P-lactams, starting from 2H-Delta (2)-thiazolines and Meldrum's acid derivatives, has been reported from our laboratory. We now report a new method for the synthesis of optically active, highly substituted ring-fused 2-pyridinones. This was discovered when 2-alkyl-Delta (2)-thiazolines and Meldrum's acid derivatives were treated with HCl(g) in benzene at 5 --> 78 degreesC. Further refinement of the synthetic protocol revealed that use of 1,2-dichloroethane as solvent at 0 --> 64 degreesC led to the desired 2-pyridinones;in good yields and with excellent enantioselectivity. Use of these conditions allowed preparation of 2-pyridinones from several different Delta (2)-thiazolines and Meldrum's acid derivatives and may be a general route to 2-pyridinones.
• Microwave-Assisted Synthesis of Highly Substituted Aminomethylated 2-Pyridones
  作者：Nils Pemberton、Veronica Åberg、Hanna Almstedt、Andreas Westermark、Fredrik Almqvist

  DOI：10.1021/jo048554y

  日期：2004.11.1

  microwave-assisted organic synthesis (MAOS) efficient conditions to introduce aminomethylene substituents in highly substituted bicyclic 2-pyridones have been established. Primary amino methylene substituents were introduced via a cyanodehalogenation followed by a borane dimethyl sulfide reduction of the afforded nitrile. In both of these transformations, microwave irradiation proved to be superior to

  通过采用微波辅助有机合成（MAOS），已经建立了将氨基亚甲基取代基引入高度取代的双环2-吡啶酮的有效条件。经由氰基卤代反应引​​入伯氨基亚甲基取代基，然后硼烷二甲基硫醚还原得到的腈。在这两种转化中，微波辐射均证明优于传统条件，且伯胺的总收率良好（三步法收率为55-58％）。为了在2-吡啶酮骨架中引入叔氨基亚甲基取代基，使用预制的亚胺盐的微波辅助曼尼希反应被证明是有效的。因此，以48-93％的产率获得了高度取代的2-吡啶酮。