Potassium Carbonate → 5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-4-[4-(2,3-dihydro-1-benzofuran-5-yl)-2-fluorophenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one

HRID 2405385

反応式

HRID 2405385 の反応式
[CH:1]1([C:4]([N:6]2[CH2:10][CH2:9][C@@H:8]([CH2:11][C:12]3[N:13]([C:18]4[CH:23]=[CH:22][C:21](B5OC(C)(C)C(C)(C)O5)=[CH:20][C:19]=4[F:33])[C:14](=[O:17])[NH:15][N:16]=3)[CH2:7]2)=[O:5])[CH2:3][CH2:2]1.Br[C:35]1[CH:36]=[CH:37][C:38]2[O:42][CH2:41][CH2:40][C:39]=2[CH:43]=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].ClCCl>[CH:1]1([C:4]([N:6]2[CH2:10][CH2:9][C@@H:8]([CH2:11][C:12]3[N:13]([C:18]4[CH:23]=[CH:22][C:21]([C:35]5[CH:36]=[CH:37][C:38]6[O:42][CH2:41][CH2:40][C:39]=6[CH:43]=5)=[CH:20][C:19]=4[F:33])[C:14](=[O:17])[NH:15][N:16]=3)[CH2:7]2)=[O:5])[CH2:2][CH2:3]1

参加物

6

反応物 3

HCID 11430Potassium CarbonateHCID 27761595-Bromo-2,3-dihydro-1-benzofuranHCID 67376890HCID 67376890、化合物

生成物 1

HCID 673756505-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-4-[4-(2,3-dihydro-1-benzofuran-5-yl)-2-fluorophenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one収率 29%

試薬・触媒・溶媒 2

HCID 178418807HCID 178418807、化合物触媒HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

A solution of 5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-4-[2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one (0.351 mmol) in dioxane (1.5 mL) was treated with 5-bromo-2,3-dihydro-1-benzofuran (0.319 mmol), dichloro[1,1′-bis(diphenylphosphino)ferrocene]palladium(II)-dichloromethane adduct (18 mg), and 2M aq potassium carbonate (0.956 mmol). The reaction mixture was purged with nitrogen, sealed, and stirred at 100° C. overnight. The reaction mixture was cooled to room temperature and was diluted with water (50 mL). The aqueous layer was acidified to pH˜4 using 1N aq HCl and was extracted with dichloromethane. The organic layer was dried over magnesium sulfate, filtered, and concentrated in vacuo. The crude residue was purified by reverse phase HPLC (20-50% acetonitrile/water+0.1% NH4OH) to afford the title compound (29%). MS(ES)+ m/e 449.0 [M+H]+.

後処理

  1. customThe reaction mixture was purged with nitrogen
  2. customsealed
  3. temperatureThe reaction mixture was cooled to room temperature
  4. additionwas diluted with water (50 mL)
  5. extractionwas extracted with dichloromethane
  6. dry with materialThe organic layer was dried over magnesium sulfate
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo
  9. customThe crude residue was purified by reverse phase HPLC (20-50% acetonitrile/water+0.1% NH4OH)

出典と根拠

ORDレコード
ord-aca2cc8fffde4a649616596ff89d049c
出典データセット
uspto-grants-2014_08
特許番号
US08802864B2

関連ノート

読み込み中…