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Potassium Carbonate → 2-(5-{3-[2-(1-t-butoxycarbonyl-pyrrolidin-2-yl)-3H-benzoimidazol-5-yl]-6H-benzo[c]chromen-8-yl}-1H-imidazol-2-yl)-pyrrolidine-1-carboxylic acid tert-butyl ester

HRID 2039160
ノート
印刷プレビュー

反応式

HRID 2039160 の反応式
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH2:10][CH:9]1[C:13]1[NH:14][C:15]([C:18]2[CH:19]=[CH:20][C:21]3[C:30]4[C:25](=[CH:26][C:27](Br)=[CH:28][CH:29]=4)[O:24][CH2:23][C:22]=3[CH:32]=2)=[CH:16][N:17]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[C:33]([O:37][C:38]([N:40]1[CH2:44][CH2:43][CH2:42][CH:41]1[C:45]1[NH:49][C:48]2[CH:50]=[C:51](B3OC(C)(C)C(C)(C)O3)[CH:52]=[CH:53][C:47]=2[N:46]=1)=[O:39])([CH3:36])([CH3:35])[CH3:34].C(=O)([O-])[O-].[K+].[K+]>COCCOC.O.CCOC(C)=O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH2:10][CH:9]1[C:13]1[NH:14][C:15]([C:18]2[CH:19]=[CH:20][C:21]3[C:30]4[C:25](=[CH:26][C:27]([C:51]5[CH:52]=[CH:53][C:47]6[N:46]=[C:45]([CH:41]7[CH2:42][CH2:43][CH2:44][N:40]7[C:38]([O:37][C:33]([CH3:34])([CH3:35])[CH3:36])=[O:39])[NH:49][C:48]=6[CH:50]=5)=[CH:28][CH:29]=4)[O:24][CH2:23][C:22]=3[CH:32]=2)=[CH:16][N:17]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

8

反応物 3

HCID 11430Potassium CarbonateHCID 566054092-[5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-benzoimidazol-2-yl]-pyrrolidine-1-carboxylic acid tert-butyl esterHCID 666204442-[5-(3-Bromo-6H-benzo[c]chromen-8-yl)-1H-imidazol-2-yl]-pyrrolidine-1-carboxylic acid tert-butyl ester

生成物 1

HCID 666213362-(5-{3-[2-(1-t-butoxycarbonyl-pyrrolidin-2-yl)-3H-benzoimidazol-5-yl]-6H-benzo[c]chromen-8-yl}-1H-imidazol-2-yl)-pyrrolidine-1-carboxylic acid tert-butyl ester
収率 29.9%

試薬・触媒・溶媒 4

HCID 178418397HCID 178418397、化合物触媒HCID 962Water溶媒HCID 80711,2-Dimethoxyethane溶媒HCID 8857Ethyl Acetate溶媒

反応条件

温度
90 °C

実験手順

To the solution of 2-[5-(3-Bromo-6H-benzo[c]chromen-8-yl)-1H-imidazol-2-yl]-pyrrolidine-1-carboxylic acid tert-butyl ester (9 mg, 0.02 mmol) and 2-[6-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-benzoimidazol-2-yl]-pyrrolidine-1-carboxylic acid tert-butyl ester (9.6 mg, 0.02 mmol) in DME (0.75 ml) and water (0.25 ml) was added potassium carbonate (10 mg, 0.07 mmol), followed by Pd(PPh3)4 (2 mg) and PdCl2(dppf)CH2Cl2 (2 mg). The mixture was heated at 90° C. for 6 hours. The mixture was diluted with EtOAc, and was washed with water and brine, and was dried with sodium sulfate. Concentration and purification by flash column chromatography (EtOAc) gave 2-(5-{3-[2-(1-t-butoxycarbonyl-pyrrolidin-2-yl)-3H-benzoimidazol-5-yl]-6H-benzo[c]chromen-8-yl}-1H-imidazol-2-yl)-pyrrolidine-1-carboxylic acid tert-butyl ester (4.2 mg). m/z: 729.2 (M+1), 727.3 (M−1), 365.2 (M+2)/2.

後処理

  1. washwas washed with water and brine
  2. dry with materialwas dried with sodium sulfate
  3. concentrationConcentration and purification by flash column chromatography (EtOAc)

出典と根拠

ORDレコード
ord-42164c1b07fc4b1daad1fbbc2cb09bd1
出典データセット
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08575118B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート