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1-Chloro-2,4-difluorobenzene → 3-(2,4-Difluorophenylamino)-8-nitro-6H-dibenzo[b,e]oxepin-11-one

HRID 473485
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HRID 473485 반응식
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]2[C:11](=[O:12])[C:10]3[CH:13]=[CH:14][C:15]([N+:17]([O-:19])=[O:18])=[CH:16][C:9]=3[CH2:8][O:7][C:6]=2[CH:20]=1.Cl[C:22]1[CH:27]=[CH:26][C:25]([F:28])=[CH:24][C:23]=1[F:29].C1(P(C2CCCCC2)C2C=CC=CC=2C2C(C(C)C)=CC(C(C)C)=CC=2C(C)C)CCCCC1.CC([O-])(C)C.[K+]>C1(C)C=CC=CC=1.CC([O-])=O.CC([O-])=O.[Pd+2].CC(O)(C)C>[F:28][C:25]1[CH:24]=[C:23]([F:29])[CH:22]=[CH:27][C:26]=1[NH:1][C:2]1[CH:3]=[CH:4][C:5]2[C:11](=[O:12])[C:10]3[CH:13]=[CH:14][C:15]([N+:17]([O-:19])=[O:18])=[CH:16][C:9]=3[CH2:8][O:7][C:6]=2[CH:20]=1
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참가 물질

8

반응물 4

HCID 1370011-Chloro-2,4-difluorobenzeneHCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 23665647Potassium tert-butoxideHCID 673617193-Amino-8-nitro-6H-dibenzo[b,e]oxepin-11-one

생성물 1

HCID 673614293-(2,4-Difluorophenylamino)-8-nitro-6H-dibenzo[b,e]oxepin-11-one

시약·촉매·용매 3

HCID 167845
palladium(II) acetate
촉매
HCID 1140Toluene용매
HCID 6386tert-Butanol용매

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온도
100 °C

실험 절차

In accordance with general method Z, 0.50 g (1.85 mmol) of (6), 0.28 g (1.89 mmol) of 1-chloro-2,4-difluorobenzene, 2 spatula tips of Pd(OAc)2, 0.09 g of 2-(dicyclohexylphosphino)-2′,4′,6′-triisopropylbiphenyl (phosphine ligand), 0.50 g of KOt-Bu, 1.5 ml of t-BuOH are weighed out and dissolved in 10 ml of toluene (anhydrous). The mixture is refluxed at 100° C. under an argon atmosphere for 4 h. The crude product is purified by chromatography over silica gel with MC/EtOH (98/2). Yield: 0.05 g (7.0%); melting point: 210-214° C.

후처리

  1. customThe crude product is purified by chromatography over silica gel with MC/EtOH (98/2)

출처 및 근거

ORD 기록
ord-678c8a71310d4eafbdd50e986b482aef
출처 데이터셋
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08633312B2

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