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Cesium carbonate → 4-((R)-5-cyclopentyl-4-ethyl-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridine-7-ylamino)-3-trifluoromethyl-N-methylbenzamide

HRID 39340
ノート
印刷プレビュー

反応式

HRID 39340 の反応式
Cl[C:2]1[N:11]=[CH:10][C:9]2[N:8]3[CH:12]=[N:13][N:14]=[C:7]3[C@@H:6]([CH2:15][CH3:16])[N:5]([CH:17]3[CH2:21][CH2:20][CH2:19][CH2:18]3)[C:4]=2[N:3]=1.[NH2:22][C:23]1[CH:32]=[CH:31][C:26]([C:27]([NH:29][CH3:30])=[O:28])=[CH:25][C:24]=1[C:33]([F:36])([F:35])[F:34].C(=O)([O-])[O-].[Cs+].[Cs+].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2>O1CCOCC1.C(OCC)(=O)C.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[CH:17]1([N:5]2[C:4]3[N:3]=[C:2]([NH:22][C:23]4[CH:32]=[CH:31][C:26]([C:27]([NH:29][CH3:30])=[O:28])=[CH:25][C:24]=4[C:33]([F:34])([F:35])[F:36])[N:11]=[CH:10][C:9]=3[N:8]3[CH:12]=[N:13][N:14]=[C:7]3[C@H:6]2[CH2:15][CH3:16])[CH2:21][CH2:20][CH2:19][CH2:18]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 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 59389586(R)-7-chloro-5-cyclopentyl-4-ethyl-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridineHCID 621563944-amino-N-methyl-3-(trifluoromethyl)benzamide

生成物 1

HCID 248906114-((R)-5-cyclopentyl-4-ethyl-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridine-7-ylamino)-3-trifluoromethyl-N-methylbenzamide
収率 46%

試薬・触媒・溶媒 3

HCID 167845palladium(II) acetate触媒HCID 8857Ethyl Acetate溶媒HCID 312751,4-Dioxane溶媒

反応条件

温度
150 °C

実験手順

A mixture of (R)-7-chloro-5-cyclopentyl-4-ethyl-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridine (100 mg, 0.329 mmol), 4-amino-3-trifluoromethyl-N-methylbenzamide, palladium acetate (6 mg), cesium carbonate (214 mg, 0.658 mmol) and xanthphos (20 mg) in dioxane (4 ml) was stirred at 150° C. in a microwave for 1 hour. The mixture was diluted with ethyl acetate and washed with aqueous sodium hydrogen carbonate solution, dried over magnesium sulfate and concentrated. The residue was purified by chromatography on silica gel eluting with 0-12% methanol/ethyl acetate to give 4-((R)-5-cyclopentyl-4-ethyl-4,5-dihydro-[1,2,4]triazolo[4,3-f]pteridine-7-ylamino)-3-trifluoromethyl-N-methylbenzamide as a colourless glass (70 mg, 46%).

後処理

  1. washwashed with aqueous sodium hydrogen carbonate solution
  2. dry with materialdried over magnesium sulfate
  3. concentrationconcentrated
  4. customThe residue was purified by chromatography on silica gel eluting with 0-12% methanol/ethyl acetate

出典と根拠

ORDレコード
ord-6c3b604359254128acec9fd895597743
出典データセット
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08524902B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート