Potassium Phosphate, Tribasic → Tert-butyl 3-fluoro-4-(1-methyl-6-oxo-1,6-dihydropyridin-3-yl)benzylcarbamate

HRID 711231ノート

反応式

HRID 711231 の反応式
[CH3:1][N:2]1[CH:7]=[C:6](B2OC(C)(C)C(C)(C)O2)[CH:5]=[CH:4][C:3]1=[O:17].Cl[C:19]1[CH:33]=[CH:32][C:22]([CH2:23][NH:24][C:25](=[O:31])[O:26][C:27]([CH3:30])([CH3:29])[CH3:28])=[CH:21][C:20]=1[F:34].[O-]P([O-])([O-])=O.[K+].[K+].[K+]>O1CCOCC1.O.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>[F:34][C:20]1[CH:21]=[C:22]([CH:32]=[CH:33][C:19]=1[C:6]1[CH:5]=[CH:4][C:3](=[O:17])[N:2]([CH3:1])[CH:7]=1)[CH2:23][NH:24][C:25](=[O:31])[O:26][C:27]([CH3:30])([CH3:29])[CH3:28]

参加物

7

反応物 3

HCID 62657Potassium Phosphate, TribasicHCID 454801941-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-oneHCID 86679717Tert-butyl 4-chloro-3-fluorobenzylcarbamate

生成物 1

HCID 86679718Tert-butyl 3-fluoro-4-(1-methyl-6-oxo-1,6-dihydropyridin-3-yl)benzylcarbamate

試薬・触媒・溶媒 3

HCID 178418397HCID 178418397、化合物触媒HCID 962Water溶媒HCID 312751,4-Dioxane溶媒

反応条件

温度
96 °C

実験手順

A mixture of 1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 21-3 (78 mg, 0.33 mmol), tert-butyl 4-chloro-3-fluorobenzylcarbamate 21-5 (94 mg, 0.36 mmol), Pd(PPh3)4 (38 mg, 0.033 mmol) and K3PO4 (140 mg, 0.66 mmol) in dioxane (1.2 mL) and water (0.1 mL) was stirred at 96° C. under argon overnight. After cooling to room temperature, the mixture was filtered through celite and concentrated by evaporation under reduced pressure. The residue was subjected to silica gel column chromatography to give crude tert-butyl 3-fluoro-4-(1-methyl-6-oxo-1,6-dihydropyridin-3-yl)benzylcarbamate 21-6.

後処理

  1. temperatureAfter cooling to room temperature
  2. filtrationthe mixture was filtered through celite and
  3. concentrationconcentrated by evaporation under reduced pressure

出典と根拠

ORDレコード
ord-b0ec3414874542b49954fb4cb945e5e1
出典データセット
uspto-grants-2015_11
特許番号
US09181235B2

反応ノート

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