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Triethylamine → methyl (R)-3-methoxy-4-[1-methyl-5-(2-methyl-4,4,4-trifluorobutylcarbamoyl)indol-3-ylmethyl]benzoate

HRID 1741917
ノート
印刷プレビュー

反応式

HRID 1741917 の反応式
Cl.[CH3:2][C@H:3]([CH2:6][C:7]([F:10])([F:9])[F:8])[CH2:4][NH2:5].[C:11]([C:14]1[CH:15]=[C:16]2[C:20](=[CH:21][CH:22]=1)[N:19]([CH3:23])[CH:18]=[C:17]2[CH2:24][C:25]1[CH:34]=[CH:33][C:28]([C:29]([O:31][CH3:32])=[O:30])=[CH:27][C:26]=1[O:35][CH3:36])(O)=[O:12].Cl.CN(C)CCCN=C=NCC.C(N(CC)CC)C>CN(C)C1C=CN=CC=1.C(Cl)Cl>[CH3:36][O:35][C:26]1[CH:27]=[C:28]([CH:33]=[CH:34][C:25]=1[CH2:24][C:17]1[C:16]2[C:20](=[CH:21][CH:22]=[C:14]([C:11](=[O:12])[NH:5][CH2:4][C@H:3]([CH3:2])[CH2:6][C:7]([F:10])([F:9])[F:8])[CH:15]=2)[N:19]([CH3:23])[CH:18]=1)[C:29]([O:31][CH3:32])=[O:30]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 8471TriethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 9998178Methyl 4-(5-carboxy-1-methylindol-3-ylmethyl)-3-methoxybenzoateHCID 12004108(R)-2-methyl-4,4,4-trifluorobutylamine hydrochloride

生成物 1

HCID 10050661methyl (R)-3-methoxy-4-[1-methyl-5-(2-methyl-4,4,4-trifluorobutylcarbamoyl)indol-3-ylmethyl]benzoate
収率 55.1%

試薬・触媒・溶媒 2

HCID 142844-(Dimethylamino)pyridine触媒HCID 6344Dichloromethane溶媒2 回

実験手順

A mixture of (R)-2-methyl-4,4,4-trifluorobutylamine hydrochloride (9.79 g), methyl 4-(5-carboxy-1-methylindol-3-ylmethyl)-3-methoxybenzoate (20.55 g), 4-dimethylaminopyridine (7.45 g), 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (15.07 g) and triethylamine (9.3 mL) was dissolved in dry methylene chloride (240 mL) and the solution was stirred under an inert atmosphere for 18 h. The mixture was diluted with methylene chloride (200 mL) and washed twice with 1N hydrochloric acid. The combined acid washes were back extracted with methylene chloride and the combined organic extracts were washed (water, brine), dried (MgSO4), and evaporated. The residue was purified by flash chromatography, eluting with 97:3 methylene chloride:ethyl acetate to give methyl (R)-3-methoxy-4-[1-methyl-5-(2-methyl-4,4,4-trifluorobutylcarbamoyl)indol-3-ylmethyl]benzoate (14.48 g, 55%) as a white solid; mp 150°-151° C.; partial NMR (300 MHz, CDCl3): 1.12 (d, 3H, CH3), 1.98-2.08 (m, 1H, CHCH3) 2.12-2.44 (m, 2H, CF3CH2), 3.30-3.58 (m, 2H, CH2N), 3.76 (s, 3H, NCH3), 3.90 (s, 3H, OCH3), 3.93 (s, 3H, OCH3), 4.13 (s, 2H, ArCH2Ar'), 6.23 (br t, 1H, NHCO).

後処理

  1. washwashed twice with 1N hydrochloric acid
  2. extractionThe combined acid washes were back extracted with methylene chloride
  3. washthe combined organic extracts were washed (water, brine)
  4. dry with materialdried (MgSO4)
  5. customevaporated
  6. customThe residue was purified by flash chromatography
  7. washeluting with 97:3 methylene chloride

出典と根拠

ORDレコード
ord-22d6946b8f52498f89950627d2efde73
出典データセット
uspto-grants-1994_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05334765

反応ノート

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