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Pyridine → Methyl 2-(6-([1,1'-biphenyl]-3-yl)-4-(4-fluorophenyl)-2-isopropyl-8,8-dimethyl-5,6,7,8-tetrahydro-1,6-naphthyridin-3-yl)-2-(tert-butoxy)acetate

HRID 470923
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HRID 470923 반응식
N1C=CC=CC=1.[C:7]([O:11][CH:12]([C:17]1[C:18]([CH:36]([CH3:38])[CH3:37])=[N:19][C:20]2[C:21]([CH3:35])([CH3:34])[CH2:22][NH:23][CH2:24][C:25]=2[C:26]=1[C:27]1[CH:32]=[CH:31][C:30]([F:33])=[CH:29][CH:28]=1)[C:13]([O:15][CH3:16])=[O:14])([CH3:10])([CH3:9])[CH3:8].[C:39]1([C:48]2[CH:53]=[CH:52][CH:51]=[CH:50][CH:49]=2)[CH:44]=[CH:43][CH:42]=[C:41](B(O)O)[CH:40]=1>C(Cl)Cl.CC([O-])=O.CC([O-])=O.[Cu+2]>[C:39]1([C:48]2[CH:49]=[CH:50][CH:51]=[CH:52][CH:53]=2)[CH:44]=[CH:43][CH:42]=[C:41]([N:23]2[CH2:22][C:21]([CH3:35])([CH3:34])[C:20]3[N:19]=[C:18]([CH:36]([CH3:38])[CH3:37])[C:17]([CH:12]([O:11][C:7]([CH3:10])([CH3:9])[CH3:8])[C:13]([O:15][CH3:16])=[O:14])=[C:26]([C:27]4[CH:32]=[CH:31][C:30]([F:33])=[CH:29][CH:28]=4)[C:25]=3[CH2:24]2)[CH:40]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 1049PyridineHCID 2734315(3-Phenylphenyl)boronic acidHCID 86692192Methyl 2-tert-butoxy-2-(4-(4-fluorophenyl)-2-isopropyl-8,8-dimethyl-5,6,7,8-tetrahydro-1,6-naphthyridin-3-yl)acetate2회

생성물 1

HCID 86692196Methyl 2-(6-([1,1'-biphenyl]-3-yl)-4-(4-fluorophenyl)-2-isopropyl-8,8-dimethyl-5,6,7,8-tetrahydro-1,6-naphthyridin-3-yl)-2-(tert-butoxy)acetate수율 37.4%

시약·촉매·용매 2

HCID 8895Cupric acetate촉매
HCID 6344Dichloromethane용매

실험 절차

A mixture of Cu(OAc)2 (16 mg, 0.09 mmol) and pyridine (7 μl, 0.09 mmol) in CH2Cl2 (1 mL) was stirred for 5 min. Added to this were methyl 2-(tert-butoxy)-2-(4-(4-fluorophenyl)-2-isopropyl-8,8-dimethyl-5,6,7,8-tetrahydro-1,6-naphthyridin-3-yl)acetate (intermediate 5) (20 mg, 0.045 mmol), [1,1′-biphenyl]-3-ylboronic acid (17.9 mg, 0.09 mmol) and 34 mg molecular sieves. The resulting mixture was stirred, uncovered, at room temperature for 21 h. The mixture was adsorbed directly onto silica gel and purified by flash column chromatography (Biotage; 0%-50% EtOAc/hexane) to give methyl 2-(6-([1,1′-biphenyl]-3-yl)-4-(4-fluorophenyl)-2-isopropyl-8,8-dimethyl-5,6,7,8-tetrahydro-1,6-naphthyridin-3-yl)-2-(tert-butoxy)acetate (10 mg, 37% yield) as a white solid. 1H NMR (500 MHz, CDCl3) δ ppm 7.58-7.52 (m, 2H), 7.41-7.35 (m, 2H), 7.35-7.30 (m, 1H), 7.27-7.16 (m, 3H), 7.08-6.99 (m, 2H), 6.79-6.70 (m, 1H), 4.88 (s, 1H), 4.01 (d, J=15.6 Hz, 1H), 3.75 (d, J=15.9 Hz, 1H), 3.73 (s, 3H), 3.56 (dt, J=13.1, 6.6 Hz, 1H), 3.49-3.41 (m, 1H), 3.38-3.30 (m, 1H), 1.59 (s, 1H), 1.51 (d, J=4.0 Hz, 6H), 1.35 (s, 3H), 1.17 (d, J=6.7 Hz, 3H), 1.02 (s, 9H). 19F NMR (500 MHz, CDCl3) δ ppm −113.64. LCMS (M+H) calcd for C38H44FN2O3: 595.33. found: 595.4.

후처리

  1. stirringThe resulting mixture was stirred
  2. waituncovered, at room temperature for 21 h
  3. custompurified by flash column chromatography (Biotage; 0%-50% EtOAc/hexane)

출처 및 근거

ORD 기록
ord-cde1508916d742dd9bde9cf472458749
출처 데이터셋
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08629276B2

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