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4-Bromoanisole → 1-(3,4-dihydroisoquinolin-2(1H)-yl)-3-((4'-methoxy-[1,1'-biphenyl]-3-yl)oxy)propan-2-ol

HRID 1399820
ノート
印刷プレビュー

反応式

HRID 1399820 の反応式
[CH2:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH2:4][CH2:3][N:2]1[CH2:11][CH:12]([OH:30])[CH2:13][O:14][C:15]1[CH:20]=[CH:19][CH:18]=[C:17](B2OC(C)(C)C(C)(C)O2)[CH:16]=1.Br[C:32]1[CH:37]=[CH:36][C:35]([O:38][CH3:39])=[CH:34][CH:33]=1.C([O-])([O-])=O.[K+].[K+]>O1CCOCC1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[CH2:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH2:4][CH2:3][N:2]1[CH2:11][CH:12]([OH:30])[CH2:13][O:14][C:15]1[CH:16]=[C:17]([C:32]2[CH:37]=[CH:36][C:35]([O:38][CH3:39])=[CH:34][CH:33]=2)[CH:18]=[CH:19][CH:20]=1
参加物反応条件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 77304-BromoanisoleHCID 11430Potassium CarbonateHCID 867292361-(3,4-dihydroisoquinolin-2(1H)-yl)-3-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)propan-2-ol

生成物 1

HCID 867292411-(3,4-dihydroisoquinolin-2(1H)-yl)-3-((4'-methoxy-[1,1'-biphenyl]-3-yl)oxy)propan-2-ol収率 49%

試薬・触媒・溶媒 2

HCID 44119782
Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
触媒
HCID 312751,4-Dioxane溶媒

反応条件

温度
120 °C

実験手順

To a mixture of 1-(3,4-dihydroisoquinolin-2(1H)-yl)-3-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)propan-2-ol (250 mg, 0.61 mmol) in Dioxane (3 mL) was added 4-bromoanisole (115 mg, 0.61 mmol), 2N K2CO3 (1 mL, 2 mmol) and PdCl2(dppf)2 (20 mg, 0.025 mmol). The reaction mixture was heated at 120° C. under microwave heating conditions for 30 minutes before concentrated to remove the solvent. The residue was dissolved in ethyl acetate, washed with water with the separated organic layer dried and concentrated to yield a crude product which was purified by prep-HPLC separation to give title compound (116 mg, 49%). 1H NMR (400 MHz, MeOD): δ 7.55-7.51 (m, 2H), 7.35-7.27 (m, 4H), 7.24-7.15 (m, 3H), 7.01-6.97 (m, 2H), 6.92-6.89 (m, 1H), 4.66 (brs, 1H), 4.56-4.51 (m, 2H), 4.16-4.07 (m, 2H), 3.92 (brs, 1H), 3.83 (s, 3H), 3.58-3.48 (m, 3H), 3.32-3.22 (m, 2H), ppm; ESI-MS (m/z): 390.2 [M+1]+.

後処理

  1. temperatureheating conditions for 30 minutes
  2. concentrationbefore concentrated
  3. customto remove the solvent
  4. dissolutionThe residue was dissolved in ethyl acetate
  5. washwashed with water with the separated organic layer
  6. customdried
  7. concentrationconcentrated
  8. customto yield a crude product which
  9. customwas purified by prep-HPLC separation

出典と根拠

ORDレコード
ord-bacb1a66726c4dfb81158b7fdbdbd02b
出典データセット
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08906900B2

反応ノート

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