(S)-4-(2,4-dimethoxybenzyl)-3-methylpiperazin-2-one | 1427063-32-8

• 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: (S)-4-(2,4-dimethoxybenzyl)-3-methylpiperazin-2-one
• 英文别名: (S)-4-(2,4-Dimethoxybenzyl)-3-methylpiperazin-2-one；(3S)-4-[(2,4-dimethoxyphenyl)methyl]-3-methylpiperazin-2-one
• CAS: 1427063-32-8
• 化学式: C₁₄H₂₀N₂O₃
• 分子量: 264.324
• InChiKey: VRRFLEAHVFVBIE-JTQLQIEISA-N

物化性质

• 沸点：
  436.1±45.0 °C(Predicted)
• 密度：
  1.118±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.2
• 重原子数：
  19
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  50.8
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  (S)-4-(2,4-dimethoxybenzyl)-3-methylpiperazin-2-one 在 sodium carbonate 作用下， 以 甲醇 、 二氯甲烷 为溶剂， 反应 8.75h， 生成 (S)-7-(2,4-dimethoxybenzyl)-8-methyl-3-(pyridin-2-yl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine
  参考文献：
  名称：

  Discovery and Optimization of Novel Antagonists to the Human Neurokinin-3 Receptor for the Treatment of Sex-Hormone Disorders (Part I)

  摘要：

  Neurokinin-3 receptor (NK3R) has recently emerged as important in modulating the tonic pulsatile gonadotropin-releasing hormone (GnRH) release. We therefore decided to explore NK3R antagonists as therapeutics for sex-hormone disorders that can potentially benefit from lowering GnRH pulsatility with consequent diminished levels of plasma luteinizing hormone (LH) and correspondingly attenuated levels of circulating androgens and estrogens. The discovery and lead optimization of a novel N-acyl-triazolopiperazine NK3R antagonist chemotype achieved through bioisosteric lead change from the high-throughput screening (HTS) hit is described. A concomitant improvement in the antagonist bioactivity and ligand lipophilic efficiency (LLE) parameter were the principal guidelines in the lead optimization efforts. Examples of advanced lead analogues to demonstrate the amenability of this chemotype to achieving a suitable pharmacokinetic (PK) profile are provided as well as pharmacokinetic-pharmacodynamic (PKPD) correlations to analyze the trends observed for LH inhibition in castrated rats and monkeys that served as preliminary in vivo efficacy models.

  DOI：

  10.1021/jm5017413

文献信息

• NOVEL CHIRAL N-ACYL-5,6,7,(8-SUBSTITUTED)-TETRAHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINES AS SELECTIVE NK-3 RECEPTOR ANTAGONISTS, PHARMACEUTICAL COMPOSITION, METHODS FOR USE IN NK-3 RECEPTOR MEDIATED DISORDERS AND CHIRAL SYNTHESIS THEREOF
  申请人：Euroscreen S.A.

  公开号：EP3029042A1

  公开（公告）日：2016-06-08

  The present invention relates to novel compounds of Formula I and their use in therapeutic treatments. The invention further relates to a novel chiral synthesis of 5,6,7,(8-substituted)-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazines using N-sp3 protective groups. The invention also provides intermediates for use in the synthesis of compounds of Formula I.

  本发明涉及式 I 的新型化合物 及其在治疗中的用途。本发明还涉及一种利用 N-sp3 保护基团手性合成 5,6,7,(8-取代)-四氢-[1,2,4]三唑并[4,3-a]吡嗪的新方法。本发明还提供了用于合成式 I 化合物的中间体。
• Chiral N-acyl-5,6,7,(8-substituted)-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazines as selective NK-3 receptor antagonists, pharmaceutical composition, methods for use in NK-3 receptor mediated disorders and chiral synthesis thereof
  申请人：Euroscreen S.A.

  公开号：US10065961B2

  公开（公告）日：2018-09-04

  The present invention relates to novel compounds of Formula I and their use in therapeutic treatments. The invention further relates to a novel chiral synthesis of 5,6,7,(8-substituted)-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazines using N-sp3 protective groups. The invention also provides intermediates for use in the synthesis of compounds of Formula I.

  本发明涉及式 I 的新型化合物及其在治疗中的应用。本发明还涉及一种利用 N-sp3 保护基团手性合成 5,6,7,(8-取代)-四氢-[1,2,4]三唑并[4,3-a]吡嗪的新方法。本发明还提供了用于合成式 I 化合物的中间体。
• Chiral N-acyl-5,6,7(8-substituted)-tetrahydro-[1,2,4]triazolo[4,3-A]pyrazines as selective NK-3 receptor antagonists, pharmaceutical composition, methods for use in NK-3 receptor mediated disorders and chiral synthesis thereof
  申请人：Ogeda SA

  公开号：US10683295B2

  公开（公告）日：2020-06-16

  The present invention relates to novel compounds of Formula I and their use in therapeutic treatments. The invention further relates to a novel chiral synthesis of 5,6,7,(8-substituted)-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazines using N-sp3 protective groups. The invention also provides intermediates for use in the synthesis of compounds of Formula I.

  本发明涉及式 I 的新型化合物及其在治疗中的应用。本发明还涉及一种利用 N-sp3 保护基团手性合成 5,6,7,(8-取代)-四氢-[1,2,4]三唑并[4,3-a]吡嗪的新方法。本发明还提供了用于合成式 I 化合物的中间体。
• Chiral N-acyl-5,6,7(8-substituted)-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazines as selective NK-3 receptor antagonists, pharmaceutical composition, methods for use in NK-3 receptor mediated disorders and chiral synthesis thereof
  申请人：Ogeda SA

  公开号：US10941151B2

  公开（公告）日：2021-03-09

  The present invention relates to novel compounds of Formula I and their use in therapeutic treatments. The invention further relates to a novel chiral synthesis of 5,6,7,(8-substituted)-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazines using N-sp3 protective groups. The invention also provides intermediates for use in the synthesis of compounds of Formula I.

  本发明涉及式 I 的新型化合物及其在治疗中的应用。本发明还涉及一种利用 N-sp3 保护基团手性合成 5,6,7,(8-取代)-四氢-[1,2,4]三唑并[4,3-a]吡嗪的新方法。本发明还提供了用于合成式 I 化合物的中间体。
• NOVEL CHIRAL N-ACYL-5,6,7,(8-SUBSTITUTED)-TETRAHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINES AS SELECTIVE NK-3 RECEPTOR ANTAGONISTS, PHARMACEUTICAL COMPOSITION, AND METHODS FOR USE IN NK-3 RECEPTOR MEDIATED DISORDERS
  申请人：Euroscreen S.A.

  公开号：EP2763992B1

  公开（公告）日：2016-04-06