3-甲氧基-2H-吡喃-2-酮 | 51270-28-1

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡喃
• 中文名称: 3-甲氧基-2H-吡喃-2-酮
• 英文名称: 3-Methoxy-2H-pyran-2-on
• 英文别名: 3-methoxy-2-pyrone；3-methoxy-pyran-2-one；3-Methoxy-pyran-2-on；methoxypyranone；3-Methoxy-α-pyron；3-Methoxy-2-pyron；Methoxypyrone；3-methoxypyran-2-one
• CAS: 51270-28-1
• 化学式: C₆H₆O₃
• 分子量: 126.112
• InChiKey: ZOMRQKDCQLXWLC-UHFFFAOYSA-N

物化性质

• 熔点：
  57-59 °C
• 沸点：
  278.6±33.0 °C(Predicted)
• 密度：
  1.19±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1
• 重原子数：
  9
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.17
• 拓扑面积：
  35.5
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  3-甲氧基-2H-吡喃-2-酮 在 samarium diiodide 、 双三氟甲烷磺酰亚胺 作用下， 以 四氢呋喃 、 甲醇 、 二氯甲烷 、 乙腈 为溶剂， 生成
  参考文献：
  名称：

  使用 3-Hydroxy-2-pyrone 衍生物与乙氧烯丙基阳离子的分子间 [4+3] 环加成反应

  摘要：

  DOI：

  10.3987/com-18-s(f)79
• 作为产物：
  描述：

  重氮甲烷 、 3-羟基-2-吡喃酮 在 乙醚 作用下， 生成 3-甲氧基-2H-吡喃-2-酮
  参考文献：
  名称：

  Mayer, Chemische Berichte, 1957, vol. 90, p. 2362,2368

  摘要：

  DOI：

文献信息

• [EN] PROCESS FOR THE PREPARATION OF CCR-2 ANTAGONIST<br/>[FR] PROCEDE D'ELABORATION D'ANTAGONISTE VIS-A-VIS DU CCR-2
  申请人：MERCK & CO INC

  公开号：WO2005044795A1

  公开（公告）日：2005-05-19

  The present invention provides an efficient synthesis for the preparation of ((1R,3S)-3-isopropyl-3- [3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl} cyclopentyl)[(3S,4S)-3-m ethoxytetrahydro- 2H-pyran-4-yl]amine and its succinate salt. The present invention additionally provides an efficient syntheses for the preparation of intermediates (3R)-3-methoxytetrahydro- 4H-pyran-4-one; (1S,4S)-4-(2,5-dimethyl-1H-pyrrol- 1-yl)-1-isopropylcyclopent-2- ene-1-carboxylic acid; and 3-(trifluoromethyl)-5,6,7,8-tetrahydro-1, 6-naphthyridine; and for the preparation of the precursor (3S,4S)-N-((1S,4S)- 4-isopropyl-4-[3-(trifluoromethyl)- 7,8-dihydro-1,6-naphthyridin-6(5H)-yl] carbonyl}cyclopent-2-e n-1-yl)- 3-methoxytetrahydro-2H- pyran-4-amine. The invention additionally resides in the superior properties of the succinate salt of ((1R,3S)-3-isopropyl- 3-[3-(trifluoromethyl)-7, 8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl} cyclopentyl)[(3S,4S)-3- methoxytetrahydro-2H-pyran-4-yl]amine.

  本发明提供了一种高效的合成方法，用于制备((1R,3S)-3-异丙基-3- [3-(三氟甲基)-7,8-二氢-1,6-萘啶-6(5H)-基]羰基}环戊基)[(3S,4S)-3-甲氧基四氢-2H-吡喃-4-基]胺及其琥珀酸盐。本发明还提供了一种高效的合成方法，用于制备中间体(3R)-3-甲氧基四氢-4H-吡喃-4-酮；(1S,4S)-4-(2,5-二甲基-1H-吡咯-1-基)-1-异丙基环戊-2-烯-1-羧酸；以及3-(三氟甲基)-5,6,7,8-四氢-1,6-萘啶；以及用于制备前体(3S,4S)-N-((1S,4S)-4-异丙基-4-[3-(三氟甲基)-7,8-二氢-1,6-萘啶-6(5H)-基]羰基}环戊-2-烯-1-基)-3-甲氧基四氢-2H-吡喃-4-胺。该发明还在于((1R,3S)-3-异丙基-3-[3-(三氟甲基)-7,8-二氢-1,6-萘啶-6(5H)-基]羰基}环戊基)[(3S,4S)-3-甲氧基四氢-2H-吡喃-4-基]胺的琥珀酸盐的优越性能。
• [EN] CCR-2 ANTAGONIST SALT<br/>[FR] SEL ANTAGONISTE DE CCR-2
  申请人：MERCK & CO INC

  公开号：WO2005044264A1

  公开（公告）日：2005-05-19

  The present invention provides an efficient synthesis for the preparation of ((1R,3S)-3-isopropyl-3-[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopentyl)[(3S,4S)-3-m ethoxytetrahydro-2H-pyran-4-yl]amine and its succinate salt. The present invention additionally provides an efficient syntheses for the preparation of intermediates (3R)-3-methoxytetrahydro-4H-pyran-4-one; (1S,4S)-4-(2,5-dimethyl-1H-pyrrol-1-yl)-1-isopropylcyclopent-2-ene-1-carboxylic acid; and 3-(trifluoromethyl)-5,6,7,8-tetrahydro-1,6-naphthyridine; and for the preparation of the precursor (3S,4S)-N-((1S,4S)-4-isopropyl-4-[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopent-2-e n-1-yl)-3-methoxytetrahydro-2H-pyran-4-amine. The invention additionally resides in the superior properties of the succinate salt of ((1R,3S)-3-isopropyl-3-[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopentyl)[(3S,4S)-3-m ethoxytetrahydro-2H-pyran-4-yl]amine.

  本发明提供了一种高效合成方法，用于制备((1R,3S)-3-异丙基-3-[3-(三氟甲基)-7,8-二氢-1,6-萘啶-6(5H)-基]羰基}环戊基)[(3S,4S)-3-甲氧基四氢-2H-吡喃-4-基]胺及其琥珀酸盐。本发明还提供了一种高效合成方法，用于制备中间体(3R)-3-甲氧基四氢-4H-吡喃-4-酮；(1S,4S)-4-(2,5-二甲基-1H-吡咯-1-基)-1-异丙基环戊-2-烯-1-羧酸；以及3-(三氟甲基)-5,6,7,8-四氢-1,6-萘啶；以及用于制备前体(3S,4S)-N-((1S,4S)-4-异丙基-4-[3-(三氟甲基)-7,8-二氢-1,6-萘啶-6(5H)-基]羰基}环戊-2-烯-1-基)-3-甲氧基四氢-2H-吡喃-4-胺。该发明还涉及((1R,3S)-3-异丙基-3-[3-(三氟甲基)-7,8-二氢-1,6-萘啶-6(5H)-基]羰基}环戊基)[(3S,4S)-3-甲氧基四氢-2H-吡喃-4-基]胺的琥珀酸盐的优越性能。
• Novel synthetic approaches to the palmarumycin skeleton
  作者：Ian G.C Coutts、Robert W Allcock、Hans W Scheeren

  DOI：10.1016/s0040-4039(00)01625-7

  日期：2000.11

  Oxidation of readily available aminonaphthols 7a and 7b with activated manganese dioxide gives palmarumycin analogues 8a and 8b in good yield. The related benzoquinone monoacetals 10a–c undergo cycloaddition with 3-methoxy-2-pyrone at high pressure to give adducts 12a–c, also possessing the palmarumycin framework.

  容易得到的氨基萘7a和7b用活化的二氧化锰氧化可得到高产率的棕榈霉素类似物8a和8b。相关的苯醌单缩醛10a – c与3-甲氧基-2-吡喃酮在高压下进行环加成反应，得到加成物12a – c，也具有棕榈金霉素骨架。
• Process for the preparation of ccr-2 antagonists
  申请人：Cai Dongwei

  公开号：US20070135475A1

  公开（公告）日：2007-06-14

  The present invention provides an efficient synthesis for the preparation of ((1R,3S)-3-isopropyl-3-[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopentyl)[(3S,4S)-3-m ethoxytetrahydro-2H-pyran-4-yl]amine and its succinate salt. The present invention additionally provides an efficient syntheses for the preparation of intermediates (3R)-3-methoxytetrahydro-4H-pyran-4-one; (1S,4S)-4-(2,5-dimethyl-1H-pyrrol-1-yl)-1-isopropylcyclopent-2-ene-1-carboxylic acid; and 3-(trifluoromethyl)-5,6,7,8-tetrahydro-1,6-naphthyridine; and for the preparation of the precursor (3S,4S)-N-((1S,4S)-4-isopropyl-4-[3-(tri-fluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopent-2-en-1-yl)-3-methoxytetrahydro-2H-pyran-4-amine. The invention additionally resides in the superior properties of the succinate salt of ((1R,3S)-3-isopropyl-3-1[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopentyl)[(3S,4S)-3-methoxytetrahydro-2H-pyran-4-yl]amine.

  本发明提供了一种高效合成方法，用于制备((1R,3S)-3-异丙基-3-[3-(三氟甲基)-7,8-二氢-1,6-萘啶-6(5H)-基]羰基}环戊基)[(3S,4S)-3-甲氧基四氢-2H-吡喃-4-基]胺及其琥珀酸盐。本发明还提供了一种高效的合成方法，用于制备中间体(3R)-3-甲氧基四氢-4H-吡喃-4-酮；(1S,4S)-4-(2,5-二甲基-1H-吡咯-1-基)-1-异丙基环戊-2-烯-1-羧酸；以及3-(三氟甲基)-5,6,7,8-四氢-1,6-萘啶；以及用于制备前体(3S,4S)-N-((1S,4S)-4-异丙基-4-[3-(三氟甲基)-7,8-二氢-1,6-萘啶-6(5H)-基]羰基}环戊-2-烯-1-基)-3-甲氧基四氢-2H-吡喃-4-胺。本发明还在于((1R,3S)-3-异丙基-3-1[3-(三氟甲基)-7,8-二氢-1,6-萘啶-6(5H)-基]羰基}环戊基)[(3S,4S)-3-甲氧基四氢-2H-吡喃-4-基]胺的琥珀酸盐具有优越的性能。
• Ccr-2 antagonist salt
  申请人：Jensen Mark

  公开号：US20070135474A1

  公开（公告）日：2007-06-14

  The present invention provides an efficient synthesis for the preparation of ((1R,3S)-3-isopropyl-3-[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopentyl)[(3S,4S)-3-methoxytetrahydro-2H-pyran-4-yl]amine and its succinate salt. The present invention additionally provides an efficient syntheses for the preparation of intermediates (3R)-3-methoxytetrahydro-4H-pyran-4-one; (1S,4S)-4-(2,5-dimethyl-1H-pyrrol-1-yl)-1-isopropylcyclopent-2-ene-1-carboxylic acid; and 3-(trifluoromethyl)-5,6,7,8-tetrahydro-1,6-naphthyridine; and for the preparation of the precursor (3S,4S)-N-((1S,4S)-4-isopropyl-4-[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopent-2-en-1-yl)-3-methoxytetrahydro-2H-pyran-4-amine. The invention additionally resides in the superior properties of the succinate salt of ((1R,3S)-3-isopropyl-3-[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopentyl)[(3S,4S)-3-methoxytetrahydro-2H-pyran-4-yl]amine.

  本发明提供了一种有效的合成方法，用于制备((1R,3S)-3-异丙基-3-[3-(三氟甲基)-7,8-二氢-1,6-萘咪啉-6(5H)-基]羰基}环戊基)[(3S,4S)-3-甲氧基四氢-2H-吡喃-4-基]胺及其琥珀酸盐。本发明还提供了一种有效的合成方法，用于制备中间体(3R)-3-甲氧基四氢-4H-吡喃-4-酮；(1S,4S)-4-(2,5-二甲基-1H-吡咯-1-基)-1-异丙基环戊-2-烯-1-羧酸；以及3-(三氟甲基)-5,6,7,8-四氢-1,6-萘咪啉；以及用于制备前体(3S,4S)-N-((1S,4S)-4-异丙基-4-[3-(三氟甲基)-7,8-二氢-1,6-萘咪啉-6(5H)-基]羰基}环戊-2-烯-1-基)-3-甲氧基四氢-2H-吡喃-4-胺。本发明还涉及((1R,3S)-3-异丙基-3-[3-(三氟甲基)-7,8-二氢-1,6-萘咪啉-6(5H)-基]羰基}环戊基)[(3S,4S)-3-甲氧基四氢-2H-吡喃-4-基]胺的琥珀酸盐的优越性能。