benzyl 2-methyl-p-carbomethoxycinnamate | 122594-15-4

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 肉桂酸及其衍生物
• 英文名称: benzyl 2-methyl-p-carbomethoxycinnamate
• CAS: 122594-15-4
• 化学式: C₁₉H₁₈O₄
• 分子量: 310.35
• InChiKey: RQHVKLNKUGYKST-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.62
• 重原子数：
  23.0
• 可旋转键数：
  5.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.16
• 拓扑面积：
  52.6
• 氢给体数：
  0.0
• 氢受体数：
  4.0

反应信息

• 作为反应物：
  描述：

  benzyl 2-methyl-p-carbomethoxycinnamate 在 palladium on activated charcoal 盐酸 、 氯化亚砜 、 氢气 作用下， 以 异丙醇 、 苯 为溶剂， 反应 25.5h， 生成 1-chloro-3-methyl-4-(p-carbomethoxyphenyl)-2-butanone
  参考文献：
  名称：

  Synthesis and antifolate properties of 9-alkyl-10-deazaminopterins

  摘要：

  Reformatski condensation of benzyl 2-bromopropionate with 4-carbomethoxybenzaldehyde, followed by dehydration afforded benzyl 2-methyl-p-carbomethoxycinnamate (4a). Hydrogenation over a Pd catalyst gave the hydrocinnamic acid 5a. Conversion to the chloromethyl (6a) and azidomethyl ketone (7a) was followed by hydrogenation to the aminomethyl ketone (8a). Direct N-alkylation by 2,4-diamino-5-nitro-6-chloropyrimidine followed by reductive ring closure in Zn-HOAc and subsequent saponification of the benzoate ester yielded 4-amino-4-deoxy-9-methyl-10-deazapteroic acid (11a). Coupling with diethyl L-glutamate and saponification afforded 9-methyl-10-deazaminopterin (13a). The 9-ethyl analogue (13b) was similarly prepared from benzyl 2-bromobutyrate. The 9-methyl analogue (13a) was 21 times more potent than MTX as an inhibitor of cell growth in L1210 cells. The reason for this enhanced cytotoxicity in L1210 is unclear, since enzyme inhibition and transport parameters were similar to those of MTX. In human Manca leukemia cells growth inhibition was not dramatic and paralleled MTX.

  DOI：

  10.1021/jm00163a035
• 作为产物：
  描述：

  在 吡啶 、 diazabicyclononene 作用下， 反应 1.25h， 以87%的产率得到benzyl 2-methyl-p-carbomethoxycinnamate
  参考文献：
  名称：

  Synthesis and antifolate properties of 9-alkyl-10-deazaminopterins

  摘要：

  Reformatski condensation of benzyl 2-bromopropionate with 4-carbomethoxybenzaldehyde, followed by dehydration afforded benzyl 2-methyl-p-carbomethoxycinnamate (4a). Hydrogenation over a Pd catalyst gave the hydrocinnamic acid 5a. Conversion to the chloromethyl (6a) and azidomethyl ketone (7a) was followed by hydrogenation to the aminomethyl ketone (8a). Direct N-alkylation by 2,4-diamino-5-nitro-6-chloropyrimidine followed by reductive ring closure in Zn-HOAc and subsequent saponification of the benzoate ester yielded 4-amino-4-deoxy-9-methyl-10-deazapteroic acid (11a). Coupling with diethyl L-glutamate and saponification afforded 9-methyl-10-deazaminopterin (13a). The 9-ethyl analogue (13b) was similarly prepared from benzyl 2-bromobutyrate. The 9-methyl analogue (13a) was 21 times more potent than MTX as an inhibitor of cell growth in L1210 cells. The reason for this enhanced cytotoxicity in L1210 is unclear, since enzyme inhibition and transport parameters were similar to those of MTX. In human Manca leukemia cells growth inhibition was not dramatic and paralleled MTX.

  DOI：

  10.1021/jm00163a035