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Water → (1E,4E)-ethyl 2-(tert-butoxycarbonylamino)-8-(3-cyanophenyl)-3H-benzo[b]azepine-4-carboxylate

HRID 38013
ノート
印刷プレビュー

反応式

HRID 38013 の反応式
Br[C:2]1[CH:3]=[CH:4][C:5]2=[C:6]([CH:25]=1)[N:7]=[C:8]([NH:17][C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:9][C:10]([C:12]([O:14][CH2:15][CH3:16])=[O:13])=[CH:11]2.[C:26]([C:28]1[CH:29]=[C:30](B(O)O)[CH:31]=[CH:32][CH:33]=1)#[N:27].[F-].[Cs+].O>C1COCC1.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:21]([O:20][C:18]([NH:17][C:8]1[CH2:9][C:10]([C:12]([O:14][CH2:15][CH3:16])=[O:13])=[CH:11][C:5]2[CH:4]=[CH:3][C:2]([C:32]3[CH:31]=[CH:30][CH:29]=[C:28]([C:26]#[N:27])[CH:33]=3)=[CH:25][C:6]=2[N:7]=1)=[O:19])([CH3:24])([CH3:23])[CH3:22]
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 962WaterHCID 25953Cesium fluorideHCID 27343253-Cyanophenylboronic acidHCID 58228529Ethyl 8-bromo-2-((tert-butoxycarbonyl)amino)-3H-benzo[b]azepine-4-carboxylate

生成物 1

HCID 86653481(1E,4E)-ethyl 2-(tert-butoxycarbonylamino)-8-(3-cyanophenyl)-3H-benzo[b]azepine-4-carboxylate収率 52%

試薬・触媒・溶媒 2

HCID 178418397
HCID 178418397、化合物
触媒
HCID 8028Tetrahydrofuran溶媒

実験手順

A mixture of (1E,4E)-ethyl 8-bromo-2-(tert-butoxycarbonylamino)-3H-benzo[b]azepine-4-carboxylate (2.05 g, 5 mmol), 3-cyanophenylboronic acid (1.47 g, 10 mmol), CsF (2.28 g, 15 mmol), and Pd(PPh3)4 (0.345 g, 0.3 mmol) in anhydrous THF (100 mL) was refluxed for 12 h. After cooling to room temperature, the reaction mixture was poured into water and extracted with EtOAc. The combined organic layers were dried over Na2SO4, filtered, and concentrated under reduced pressure to give the crude material that was purified by silica gel flash column chromatography to afford 1.12 g (52%) of (1E,4E)-ethyl 2-(tert-butoxycarbonylamino)-8-(3-cyanophenyl)-3H-benzo[b]azepine-4-carboxylate.

後処理

  1. temperaturewas refluxed for 12 h
  2. extractionextracted with EtOAc
  3. dry with materialThe combined organic layers were dried over Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customto give the crude material that
  7. customwas purified by silica gel flash column chromatography

出典と根拠

ORDレコード
ord-036b2186255e45f59b78f09bfc018353
出典データセット
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08524702B2

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート