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Dichloromethane → {4-[2-[2-(3,5-dimethoxyphenyl)ethyl]-5-(phenylsulfonyl)-5H-pyrrolo[2,3-b]pyrazin-6-yl]-1H-pyrazol-1-yl}acetic acid

HRID 1052264
ノート
印刷プレビュー

反応式

HRID 1052264 の反応式
Br[C:2]1[N:22]([S:23]([C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)(=[O:25])=[O:24])[C:5]2=[N:6][CH:7]=[C:8]([CH2:10][CH2:11][C:12]3[CH:17]=[C:16]([O:18][CH3:19])[CH:15]=[C:14]([O:20][CH3:21])[CH:13]=3)[N:9]=[C:4]2[CH:3]=1.ClCCl.C([O:39][C:40](=[O:56])[CH2:41][N:42]1[CH:46]=[C:45](B2OC(C)(C)C(C)(C)O2)[CH:44]=[N:43]1)(C)(C)C.P([O-])([O-])([O-])=O.[K+].[K+].[K+]>O.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].O1CCOCC1>[CH3:21][O:20][C:14]1[CH:13]=[C:12]([CH2:11][CH2:10][C:8]2[N:9]=[C:4]3[CH:3]=[C:2]([C:45]4[CH:44]=[N:43][N:42]([CH2:41][C:40]([OH:56])=[O:39])[CH:46]=4)[N:22]([S:23]([C:26]4[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=4)(=[O:25])=[O:24])[C:5]3=[N:6][CH:7]=2)[CH:17]=[C:16]([O:18][CH3:19])[CH:15]=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

8

反応物 4

HCID 6344DichloromethaneHCID 62657Potassium Phosphate, TribasicHCID 59216326tert-Butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)acetateHCID 899637236-bromo-2-[2-(3,5-dimethoxyphenyl)ethyl]-5-(phenylsulfonyl)-5H-pyrrolo[2,3-b]pyrazine

生成物 1

HCID 89963529{4-[2-[2-(3,5-dimethoxyphenyl)ethyl]-5-(phenylsulfonyl)-5H-pyrrolo[2,3-b]pyrazin-6-yl]-1H-pyrazol-1-yl}acetic acid
収率 92%

試薬・触媒・溶媒 3

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)触媒HCID 962Water溶媒HCID 312751,4-Dioxane溶媒

反応条件

温度
88 °C

実験手順

A stirred mixture of 6-bromo-2-[2-(3,5-dimethoxyphenyl)ethyl]-5-(phenylsulfonyl)-5H-pyrrolo[2,3-b]pyrazine (from Example 1, Step 4, 40.0 mg, 79.7 μmol), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) complexed with dichloromethane (1:1) (3.25 mg, 3.98 μmol), tert-butyl[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]acetate (24.5 mg, 79.6 μmol), and potassium phosphate (33.8 mg, 0.159 mmol) in water (0.5 mL)/1,4-dioxane (1.0 mL) was heated at 88° C. After 1 hour, the reaction was quenched with saturated aqueous NH4Cl, extracted with methylene chloride. The combined organic layers were dried over MgSO4, and then concentrated. The residue was dissolved in methylene chloride (1 mL) and trifluoroacetic acid (1 mL) was added at ambient temperature. After 2 hours, the volatiles were removed under vacuum to afford the desired product (40 mg, 92%). LCMS calculated for C27H26N5O6S (M+H)+: m/z=548.2. Found: 548.2.

後処理

  1. customthe reaction was quenched with saturated aqueous NH4Cl
  2. extractionextracted with methylene chloride
  3. dry with materialThe combined organic layers were dried over MgSO4
  4. concentrationconcentrated
  5. dissolutionThe residue was dissolved in methylene chloride (1 mL)
  6. additiontrifluoroacetic acid (1 mL) was added at ambient temperature
  7. waitAfter 2 hours
  8. customthe volatiles were removed under vacuum

出典と根拠

ORDレコード
ord-fa87fb21575f41c99c653f3fcbab96db
出典データセット
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09388185B2

反応ノート

読み込み中…

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