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

HRID 470924
ノート
印刷プレビュー

反応式

HRID 470924 の反応式
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][C:42](B(O)O)=[CH:41][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][C:42]([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:41][CH:40]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 1049PyridineHCID 1512531,1'-Biphenyl-4-yl-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)acetate2 回

生成物 1

HCID 86692197Methyl 2-(6-([1,1'-biphenyl]-4-yl)-4-(4-fluorophenyl)-2-isopropyl-8,8-dimethyl-5,6,7,8-tetrahydro-1,6-naphthyridin-3-yl)-2-(tert-butoxy)acetate収率 84.8%

試薬・触媒・溶媒 2

HCID 8895Cupric acetate触媒
HCID 6344Dichloromethane溶媒

実験手順

A mixture of Cu(OAc)2 (16.42 mg, 0.090 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), 4-biphenylboronic acid (17.90 mg, 0.09 mmol) and 34 mg molecular sieves. After stirring uncovered for 18 h, the mixture was adsorbed directly onto silica gel and was purified by flash column chromatography (Biotage; 0%-50% EtOAc/hexane) to give methyl 2-(6-([1,1′-biphenyl]-4-yl)-4-(4-fluorophenyl)-2-isopropyl-8,8-dimethyl-5,6,7,8-tetrahydro-1,6-naphthyridin-3-yl)-2-(tert-butoxy)acetate (22.7 mg, 84% yield) as a colorless oil. LCMS (M+H) calcd for C38H44FN2O3: 595.33. found: 595.4. 19F NMR (500 MHz, Methanol d4) δ ppm: −113.055.

後処理

  1. stirringAfter stirring
  2. waituncovered for 18 h
  3. customwas purified by flash column chromatography (Biotage; 0%-50% EtOAc/hexane)

出典と根拠

ORDレコード
ord-a180de50cf324295a3908a2348d282ae
出典データセット
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08629276B2

反応ノート

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