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Cesium fluoride → 2-{[2-(benzyloxy)-4,6-dimethylpyridin-3-yl]methyl}-5,8-dichloro-7-(3,5-dimethyl-1,2-oxazol-4-yl)-3,4-dihydroisoquinolin-1(2H)-one

HRID 577503
ノート
印刷プレビュー

反応式

HRID 577503 の反応式
[CH2:1]([O:8][C:9]1[C:14]([CH2:15][N:16]2[CH2:25][CH2:24][C:23]3[C:18](=[C:19]([Cl:28])[C:20](Br)=[CH:21][C:22]=3[Cl:26])[C:17]2=[O:29])=[C:13]([CH3:30])[CH:12]=[C:11]([CH3:31])[N:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:32][C:33]1[C:37](B2OC(C)(C)C(C)(C)O2)=[C:36]([CH3:47])[O:35][N:34]=1.[F-].[Cs+]>O1CCOCC1.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>[CH2:1]([O:8][C:9]1[C:14]([CH2:15][N:16]2[CH2:25][CH2:24][C:23]3[C:18](=[C:19]([Cl:28])[C:20]([C:37]4[C:33]([CH3:32])=[N:34][O:35][C:36]=4[CH3:47])=[CH:21][C:22]=3[Cl:26])[C:17]2=[O:29])=[C:13]([CH3:30])[CH:12]=[C:11]([CH3:31])[N:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=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 25953Cesium fluorideHCID 27586563,5-Dimethylisoxazole-4-boronic acid pinacol esterHCID 867237282-((2-(benzyloxy)-4,6-dimethylpyridin-3-yl)methyl)-7-bromo-5,8-dichloro-3,4-dihydroisoquinolin-1(2H)-one

生成物 1

HCID 867237292-{[2-(benzyloxy)-4,6-dimethylpyridin-3-yl]methyl}-5,8-dichloro-7-(3,5-dimethyl-1,2-oxazol-4-yl)-3,4-dihydroisoquinolin-1(2H)-one収率 78%

試薬・触媒・溶媒 2

HCID 178418397
HCID 178418397、化合物
触媒
HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

A mixture of 2-{[2-(benzyloxy)-4,6-dimethylpyridin-3-yl]methyl}-7-bromo-5,8-dichloro-3,4-dihydroisoquinolin-1(2H)-one (253 g, 500 mg, 0.96 mmol), 3,5-Dimethylisoxazole-4-boronic acid pinacol ester (320 mg, 1.44 mmol), cesium fluoride (437 mg, 2.88 mmol) and tetrakis(triphenylphosphine)palladium(0) (70.0 mg, 0.06 mmol) in dioxane (20 mL) was degassed with nitrogen, then stirred at 100° C. for 18 hours. After cooling, the mixture was partitioned between water (15 mL) and ethyl acetate (3×20 mL). The combined organic layers were washed with saturated aqueous sodium chloride solution (20 mL), dried over sodium sulfate, and concentrated. The residue was purified by silica gel chromatography (eluting with 10:1 petroleum ether/ethyl acetate), affording 2-{[2-(benzyloxy)-4,6-dimethylpyridin-3-yl]methyl}-5,8-dichloro-7-(3,5-dimethyl-1,2-oxazol-4-yl)-3,4-dihydroisoquinolin-1(2H)-one (253h, 400 mg, 78% yield) as a yellow oil.

後処理

  1. customwas degassed with nitrogen
  2. temperatureAfter cooling
  3. customthe mixture was partitioned between water (15 mL) and ethyl acetate (3×20 mL)
  4. washThe combined organic layers were washed with saturated aqueous sodium chloride solution (20 mL)
  5. dry with materialdried over sodium sulfate
  6. concentrationconcentrated
  7. customThe residue was purified by silica gel chromatography (eluting with 10:1 petroleum ether/ethyl acetate)

出典と根拠

ORDレコード
ord-0d5e0290fdd348a7a35adc3c0b302b3c
出典データセット
uspto-grants-2015_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09040515B2

反応ノート

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