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Triphenylphosphine → N-Trifluoroacetyl-8-chloro-1-methylene-2,3,4,5-tetrahydro-1H-3-benzazepine

HRID 967281
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HRID 967281 반응식
[F:1][C:2]([F:17])([F:16])[C:3]([NH:5][CH2:6][CH2:7][C:8]1[CH:13]=[CH:12][C:11]([Cl:14])=[CH:10][C:9]=1I)=[O:4].CC([O-])=O.[K+].[CH:23]1[CH:28]=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=C[CH:24]=1>CN(C)C=O.[N+](CCCC)(CCCC)(CCCC)CCCC.[Br-].CC([O-])=O.CC([O-])=O.[Pd+2]>[F:1][C:2]([F:17])([F:16])[C:3]([N:5]1[CH2:28][C:23](=[CH2:24])[C:9]2[CH:10]=[C:11]([Cl:14])[CH:12]=[CH:13][C:8]=2[CH2:7][CH2:6]1)=[O:4]
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참가 물질

7

반응물 3

HCID 11776TriphenylphosphineHCID 517044Potassium AcetateHCID 22292821N-trifluoroacetyl-2-iodo-4-chlorophenethylamine

생성물 1

HCID 22292831N-Trifluoroacetyl-8-chloro-1-methylene-2,3,4,5-tetrahydro-1H-3-benzazepine수율 437.3%

시약·촉매·용매 3

HCID 74236Tetrabutylammonium Bromide촉매
HCID 167845
palladium(II) acetate
촉매
HCID 6228Dimethylformamide용매

실험 절차

A solution of N-allyl, N-trifluoroacetyl-2-iodo-4-chlorophenethylamine (0.76 g, 1.8 mmol) in dimethylformamide (20 mL) was treated with KOAc (0.53 g, 5.4 mmol), n-Bu4NBr (0.58 g, 1.8 mmol), PPh3 (0.047 g, 0.18 mmol), Pd(OAc)2 (0.041 g, 0.18 mmol) and stirred overnight at 105 C. The product mixture was cooled to 20 C., filtered, diluted with water (100 mL), extracted with ether (3×100 mL), the combined organic phases washed with water (100 mL), brine (100 mL), dried with Na2SO4 and concentrated. Flash chromatography (10% EtOAc in hexane, silica) resulted in 0.228 g of a clear oil. 1H NMR (400 MHz, CDCl3) d 7.29 (s, 1 H), 7.18 (m, 1 H), 7.04 (m, 1 H), 5.38 (m, 2 H), 5.40 (d, J=16 Hz, 2 H), 3.80 (m, 2 H), 3.00 (m, 2 H). MS calculated for C13H11ClF3NO+H: 290, observed: 290.

후처리

  1. temperatureThe product mixture was cooled to 20 C
  2. filtration, filtered
  3. additiondiluted with water (100 mL)
  4. extractionextracted with ether (3×100 mL)
  5. washthe combined organic phases washed with water (100 mL), brine (100 mL)
  6. dry with materialdried with Na2SO4
  7. concentrationconcentrated

출처 및 근거

ORD 기록
ord-54855419a29b4b54bd01c0513a7fadad
출처 데이터셋
uspto-grants-2005_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06953787B2

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