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Triethylamine → (+/-)-N-[2,6-bis(1-Methylethyl)phenyl]-alpha-bromobenzeneacetamide

HRID 465644
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HRID 465644 반응식
[Br:1][CH:2]([C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1)[C:3](Cl)=[O:4].[CH:12]([C:15]1[CH:21]=[CH:20][CH:19]=[C:18]([CH:22]([CH3:24])[CH3:23])[C:16]=1[NH2:17])([CH3:14])[CH3:13].C(N(CC)CC)C>C(OCC)(=O)C.ClCCl>[CH3:24][CH:22]([C:18]1[CH:19]=[CH:20][CH:21]=[C:15]([CH:12]([CH3:14])[CH3:13])[C:16]=1[NH:17][C:3](=[O:4])[CH:2]([Br:1])[C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1)[CH3:23]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 8471TriethylamineHCID 32484DiisopropylanilineHCID 598182Bromophenylacetyl chloride

생성물 1

HCID 19874874(+/-)-N-[2,6-bis(1-Methylethyl)phenyl]-alpha-bromobenzeneacetamide수율 81%

시약·촉매·용매 2

HCID 6344Dichloromethane용매HCID 8857
Ethyl Acetate
용매
2회

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온도
25 °C

실험 절차

The α-bromophenylacetylchloride (21.0 g, 89.7 mmol) was added slowly via pipet to a cooled (0° C.) solution of 2,6-diisopropylaniline (15.9 g, 89.7 mmol) and triethylamine (12.5 mL, 89.7 mmol) in ethyl acetate (1600 mL). The resulting slurry was warmed (25° C.) then stirred (1 hour). The resulting mixture was diluted with ethyl acetate (1000 mL) and dichloro methane (500 mL), then washed with water (1000 mL), with 0.5N aqueous HCl (2×1000 mL), with saturated aqueous sodium bicarbonate (1×600 mL), with brine (1×600 mL), then dried (MgSO4) and concentrated to a solid. The solid was recrystallized from ethyl acetate to yield 27.2 g (81.0%) of (±)-N-[2,6-bis(1-Methylethyl)phenyl]-α-bromobenzeneacetamide as a white solid, mp 207°-209.5° C.

후처리

  1. washwashed with water (1000 mL), with 0.5N aqueous HCl (2×1000 mL), with saturated aqueous sodium bicarbonate (1×600 mL), with brine (1×600 mL)
  2. dry with materialdried (MgSO4)
  3. concentrationconcentrated to a solid
  4. customThe solid was recrystallized from ethyl acetate

출처 및 근거

ORD 기록
ord-8debb7ff68434656acd98d2d4aca9b04
출처 데이터셋
uspto-grants-1992_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05153226

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