3-p-toluoyl-pyridine-2-carbonyl chloride | 508210-05-7

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 3-p-toluoyl-pyridine-2-carbonyl chloride
• 英文别名: 3-p-Toluoyl-pyridin-2-carbonylchlorid；3-(4-Methylbenzoyl)pyridine-2-carbonyl chloride
• CAS: 508210-05-7
• 化学式: C₁₄H₁₀ClNO₂
• 分子量: 259.692
• InChiKey: VCWDEPHBDDQQNH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.4
• 重原子数：
  18
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.07
• 拓扑面积：
  47
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  3-p-toluoyl-pyridine-2-carbonyl chloride 在 盐酸 、 氯化亚砜 、 sodium hydride 、 溶剂黄146 、 三乙胺 、 N,N-二甲基甲酰胺 作用下， 以 四氢呋喃 、 1,2-二氯乙烷 为溶剂， 反应 5.5h， 生成 N-[3,5-bis(trifluoromethyl)benzyl]-5-(4-methylphenyl)-8-oxo-8H-pyrano[3,4-b]pyridine-6-carboxamide
  参考文献：
  名称：

  Axially Chiral 1,7-Naphthyridine-6-carboxamide Derivatives as Orally Active Tachykinin NK₁ Receptor Antagonists:  Synthesis, Antagonistic Activity, and Effects on Bladder Functions

  摘要：

  Cyclic analogues of N-[3,5-bis(trifluoromethyl)benzyl]-7,8-dihydro-N,7-dimethyl-5-(4-methylphenyl)-8-oxo-1,7-naphthyridine-6-carboxamide (1) having a 6-9-membered ring (6-9) were synthesized and evaluated for NK1 antagonistic activities. The 8-membered ring compound with a beta-methyl group at the C-(9)-position, (aR,9R)-7-[3,5-bis(trifluoromethyl)benzyl]-8,9,10,-11-tetrahydro-9-methyl-5-(4-methylphenyl)-7H-[1,4]diazocino[2,1-g][1,7]naphthyridine-6,13-di-one [(aR,9R)-8b], was atropodiastereoselectively synthesized by cyclization of a chiral intermediate, 10g. On the other hand, the 7-membered ring compound with a beta-methyl group at the C-(9)-position [(9S)-7b] was obtained as an equilibrium mixture of atropisomers with a ratio of ca. 3:2 in solution at room temperature (measured by NMR in CDCl3). Compounds (9S)-7b and (aR,9R)-8b exhibited excellent antagonistic activities both in vitro [IC50 (inhibition of [I-125]BH-SP binding in human IM-9 cells) = 0.28 and 0.45 nM, respectively] and in vivo (iv and po). Significantly, the in vitro activity of (aR,9R)-8b was ca. 750-fold higher than that of its enantiomer (aS,9S)-8b, ca. 40-fold higher than its atropisomer (aS,9R)-8b, and ca. 20-fold higher than its diastereomer (aR,9S)-8b. The structure-activity relationships in this series, along with the X-ray analysis of (aR,9R)-8b, indicated that the stereochemistry around the -C-(6)(=O)-N-(7)-CH2Ar moiety is important for NK1 receptor recognition. The NK1 antagonists showed effects on bladder functions in guinea pigs upon intravenous injection: i.e., the antagonists increased the shutdown time of distension-induced rhythmic bladder contractions and the bladder volume threshold, and the effects on the shutdown time were found to correlate well with the NK1 antagonistic activities. Compound (aR,9R)-8b has been identified as a potential clinical candidate for the treatment of bladder function disorders.

  DOI：

  10.1021/jm990220r
• 作为产物：
  描述：

  2,3-吡啶二羧酸酐 在 三氯化铝 、 氯化亚砜 、 N,N-二甲基甲酰胺 作用下， 以 四氢呋喃 为溶剂， 反应 7.5h， 生成 3-p-toluoyl-pyridine-2-carbonyl chloride
  参考文献：
  名称：

  Novel, Potent, and Orally Active Substance P Antagonists: Synthesis and Antagonist Activity of N-Benzylcarboxamide Derivatives of Pyrido[3,4-b]pyridine

  摘要：

  A series of 4-phenylisoquinolone derivatives were synthesized and evaluated for NK1 (substance P) antagonist activity. Highly potent antagonists, 4-phenyl-3-isoquinolone-N-benzylcarboxamides (11), were discovered from the structure-activity relationship studies on the isoquinolone-urea lead la. Optimization of the activity in this series resulted in the development of 5-phenyl-6-pyrido[3,4-b]pyridine-N-benzylcarboxamides (30) which are highly potent orally active NK1 antagonists. Among the compounds synthesized, N-[3,5-bis(trifluoromethyl)benzyl]7,8-dihydro-N, 7-dimethyl-8-oxo-5-(substituted phenyl)6-pyrido[3,4-b]pyridinecarboxamides (30a,f,g) showed excellent antagonist activities with IC50 values (in vitro inhibition of [I-125]- BH-SP binding in human IM-9 cells) of 0.21-0.34 nM and ED(50) values (in vivo inhibition of capsaicin-induced plasma extravasation in guinea-pig trachea, iv) of 0.017-0.030 mg/kg. These compounds exhibited significantly potent activity upon oral administration with ED(50) values of 0.068-0.17 mg/kg. Conformational studies on 30g indicated that the two stable conformers of 30g are quite similar to those of CP-99,994.

  DOI：

  10.1021/jm00016a014

文献信息

• Meyer,H., Monatshefte fur Chemie, 1901, vol. 22, p. 116
  作者：Meyer,H.

  DOI：——

  日期：——
• Novel, Potent, and Orally Active Substance P Antagonists: Synthesis and Antagonist Activity of N-Benzylcarboxamide Derivatives of Pyrido[3,4-b]pyridine
  作者：Hideaki Natsugari、Yoshinori Ikeura、Yutaka Kiyota、Yuji Ishichi、Takenori Ishimaru、Osamu Saga、Hideo Shirafuji、Toshimasa Tanaka、Izumi Kamo

  DOI：10.1021/jm00016a014

  日期：1995.8

  A series of 4-phenylisoquinolone derivatives were synthesized and evaluated for NK1 (substance P) antagonist activity. Highly potent antagonists, 4-phenyl-3-isoquinolone-N-benzylcarboxamides (11), were discovered from the structure-activity relationship studies on the isoquinolone-urea lead la. Optimization of the activity in this series resulted in the development of 5-phenyl-6-pyrido[3,4-b]pyridine-N-benzylcarboxamides (30) which are highly potent orally active NK1 antagonists. Among the compounds synthesized, N-[3,5-bis(trifluoromethyl)benzyl]7,8-dihydro-N, 7-dimethyl-8-oxo-5-(substituted phenyl)6-pyrido[3,4-b]pyridinecarboxamides (30a,f,g) showed excellent antagonist activities with IC50 values (in vitro inhibition of [I-125]- BH-SP binding in human IM-9 cells) of 0.21-0.34 nM and ED(50) values (in vivo inhibition of capsaicin-induced plasma extravasation in guinea-pig trachea, iv) of 0.017-0.030 mg/kg. These compounds exhibited significantly potent activity upon oral administration with ED(50) values of 0.068-0.17 mg/kg. Conformational studies on 30g indicated that the two stable conformers of 30g are quite similar to those of CP-99,994.
• Axially Chiral 1,7-Naphthyridine-6-carboxamide Derivatives as Orally Active Tachykinin NK₁ Receptor Antagonists:  Synthesis, Antagonistic Activity, and Effects on Bladder Functions
  作者：Hideaki Natsugari、Yoshinori Ikeura、Izumi Kamo、Takenori Ishimaru、Yuji Ishichi、Akira Fujishima、Toshimasa Tanaka、Fumiko Kasahara、Mitsuru Kawada、Takayuki Doi

  DOI：10.1021/jm990220r

  日期：1999.9.1

  Cyclic analogues of N-[3,5-bis(trifluoromethyl)benzyl]-7,8-dihydro-N,7-dimethyl-5-(4-methylphenyl)-8-oxo-1,7-naphthyridine-6-carboxamide (1) having a 6-9-membered ring (6-9) were synthesized and evaluated for NK1 antagonistic activities. The 8-membered ring compound with a beta-methyl group at the C-(9)-position, (aR,9R)-7-[3,5-bis(trifluoromethyl)benzyl]-8,9,10,-11-tetrahydro-9-methyl-5-(4-methylphenyl)-7H-[1,4]diazocino[2,1-g][1,7]naphthyridine-6,13-di-one [(aR,9R)-8b], was atropodiastereoselectively synthesized by cyclization of a chiral intermediate, 10g. On the other hand, the 7-membered ring compound with a beta-methyl group at the C-(9)-position [(9S)-7b] was obtained as an equilibrium mixture of atropisomers with a ratio of ca. 3:2 in solution at room temperature (measured by NMR in CDCl3). Compounds (9S)-7b and (aR,9R)-8b exhibited excellent antagonistic activities both in vitro [IC50 (inhibition of [I-125]BH-SP binding in human IM-9 cells) = 0.28 and 0.45 nM, respectively] and in vivo (iv and po). Significantly, the in vitro activity of (aR,9R)-8b was ca. 750-fold higher than that of its enantiomer (aS,9S)-8b, ca. 40-fold higher than its atropisomer (aS,9R)-8b, and ca. 20-fold higher than its diastereomer (aR,9S)-8b. The structure-activity relationships in this series, along with the X-ray analysis of (aR,9R)-8b, indicated that the stereochemistry around the -C-(6)(=O)-N-(7)-CH2Ar moiety is important for NK1 receptor recognition. The NK1 antagonists showed effects on bladder functions in guinea pigs upon intravenous injection: i.e., the antagonists increased the shutdown time of distension-induced rhythmic bladder contractions and the bladder volume threshold, and the effects on the shutdown time were found to correlate well with the NK1 antagonistic activities. Compound (aR,9R)-8b has been identified as a potential clinical candidate for the treatment of bladder function disorders.