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Sodium Carbonate → 3-(3'-Benzyl-2-isobutyl-4'-methoxy-1,1'-biphenyl-4-yl)propanenitrile

HRID 25830
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HRID 25830 반응식
FC(F)(F)S(O[C:7]1[CH:12]=[CH:11][C:10]([CH2:13][CH2:14][C:15]#[N:16])=[CH:9][C:8]=1[CH2:17][CH:18]([CH3:20])[CH3:19])(=O)=O.[CH2:23]([C:30]1[CH:31]=[C:32](B(O)O)[CH:33]=[CH:34][C:35]=1[O:36][CH3:37])[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1.C([O-])([O-])=O.[Na+].[Na+]>COCCOC.CCO.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>[CH2:23]([C:30]1[CH:31]=[C:32]([C:7]2[CH:12]=[CH:11][C:10]([CH2:13][CH2:14][C:15]#[N:16])=[CH:9][C:8]=2[CH2:17][CH:18]([CH3:20])[CH3:19])[CH:33]=[CH:34][C:35]=1[O:36][CH3:37])[C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1
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6

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HCID 10340Sodium CarbonateHCID 121347033-Isobutyl-4-(trifluoromethylsulfonyloxy)benzenepropanenitrileHCID 12134708(3-Benzyl-4-methoxyphenyl)boronic acid

생성물 1

HCID 121347103-(3'-Benzyl-2-isobutyl-4'-methoxy-1,1'-biphenyl-4-yl)propanenitrile수율 52.1%

시약·촉매·용매 2

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 20074477Dimethoxyethane ethanol용매

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온도
80 °C

실험 절차

490 mg (1.46 mmol) Trifluoro-methanesulfonic acid 4-(2-Cyanoethyl)-2-isobutyl-phenyl ester (6), 505 mg (2.09 mmol, 1.4 eqv) crude 3-Benzyl-4-methoxy-benzene-1-boronic acid (22) and 169.4 mg (0.15 mmol, 0.1 eqv) Pd(Ph3P)4 were dissolved in 20 ml DME/EtOH (9+1). 1.46 ml (2.92 mmol, 2 eqv) of a 2 M aq. Na2CO3-solution was added to this yellow solution and the resulting mixture was heated at 80° C. for 17 h. After concentrating the mixture in vacuo the residue was taken up in water and extracted with CH2Cl2. The comb. org. fractions were dried over MgSO4 and evaporated. Column chromatography (Hexanes/EtOAc (3+1)) yielded 290.8 mg (0.76 mmol, 52%) 24 as a clear oil: Rf (Hexanes/EtOAc (3+1)) 0.34; 1H NMR (400 MHz, CDCl3) δ 0.63 (d, 6H, J=6.70 Hz), 1.55 (m, 1H), 2.35 (d, 2H, J=7.33 Hz), 2.57 (t, 2H, J=7.45 Hz), 2.88 (t, 2H, J=7.45 Hz), 3.79 (s, 3H), 3.92 (s, 2H), 6.82 (d, 1H, J=8.34 Hz), 6.92 (d, 1H, J=2.15 Hz), 6.96-7.20 (m, 9H); LRMS (EI) m/z 383 (13), 335 (15), 293 (23), 214 (17), 187 (21), 161 (20), 160 (100), 145 (35), 144 (35), 105 (50), 91 (58), 77 (11); HRMS (EI) Calcd. for C27H29NO: 383.224914. Found: 383.225267.

후처리

  1. concentrationAfter concentrating the mixture in vacuo the residue
  2. extractionextracted with CH2Cl2
  3. dry with materialfractions were dried over MgSO4
  4. customevaporated

출처 및 근거

ORD 기록
ord-9466d8854b14491f87da96fb8e3c3ab0
출처 데이터셋
uspto-grants-2005_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06858600B2

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