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3-Chlorobenzoic Acid → 2'-Aminobiphenyl-3-carboxylic acid

HRID 1028894
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HRID 1028894 반응식
Cl[C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][CH:10]=1)[C:5]([OH:7])=[O:6].[NH2:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=1B(O)O.C([O-])([O-])=O.[K+].[K+]>CC([O-])=O.CC([O-])=O.[Pd+2].C1(P(C2CCCCC2)C2C=CC=CC=2C2C(OC)=CC=C(S([O-])(=O)=O)C=2OC)CCCCC1.[Na+].O>[NH2:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=1[C:2]1[CH:10]=[CH:9][CH:8]=[C:4]([C:5]([OH:7])=[O:6])[CH:3]=1
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참가 물질

7

반응물 3

HCID 4473-Chlorobenzoic AcidHCID 11430Potassium CarbonateHCID 2773216(2-Aminophenyl)boronic acid

생성물 1

HCID 27722972'-Aminobiphenyl-3-carboxylic acid수율 95.2%

시약·촉매·용매 3

HCID 167845palladium(II) acetate촉매
HCID 23677046
Sodium 2'-(dicyclohexylphosphino)-2,6-dimethoxybiphenyl-3-sulfonate
촉매
HCID 962Water용매

실험 절차

The general procedure described in Example 3 was used with 3-chlorobenzoic acid (157 mg, 1.00 mmol), 2-aminophenylboronic acid (205 mg, 1.50 mmol), Pd(OAc)2 (2.2 mg, 0.010 mmol, 1 mol %), sodium 2-dicyclohexylphosphino-2′,6′-dimethoxybiphenyl-3′-sulfonate (10.0 mg, 0.020 mmol, 2 mol %), K2CO3 (414 mg, 3.00 mmol), water (2.0 mL), 12 h, 100° C. The product was isolated as a white solid (203 mg, 95%). Mp=170° C. (lit.=173-175° C.) 1H NMR (400 MHz, d4-MeOH) δ: 8.07 (m, 1H), 7.99 (d, 1H, J=7.6 Hz), 7.65 (d, 1H, J=8.0 Hz), 7.53 (t, 1H, J=7.6 Hz), 7.13 (td, 1H, J=1.6 Hz, J=7.6 Hz), 6.84 (d, 1H, J=8.0 Hz), 6.77 (t, 1H, J=7.6 Hz). 13C NMR (125 MHz, d4-MeOH) δ: 169.9, 145.1, 141.7, 134.8, 132.6, 131.4, 131.4, 130.1, 129.9, 129.5, 128.3, 120.0, 117.6.

출처 및 근거

ORD 기록
ord-73900bd47e08434eb8fd35721eeb6353
출처 데이터셋
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08735630B2

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