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

HRID 38013
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HRID 38013 반응식
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]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 962WaterHCID 25953Cesium fluorideHCID 27343253-Cyanophenylboronic acidHCID 58228529Ethyl 8-bromo-2-((tert-butoxycarbonyl)amino)-3H-benzo[b]azepine-4-carboxylate

생성물 1

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

시약·촉매·용매 2

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 8028Tetrahydrofuran용매

실험 절차

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.

후처리

  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

출처 및 근거

ORD 기록
ord-036b2186255e45f59b78f09bfc018353
출처 데이터셋
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08524702B2

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