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Sodium hydride → (S)-ethyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(((3-(but-3-en-1-yl)benzyl)oxy)methyl)-5-methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate

HRID 921210
ノート
印刷プレビュー

反応式

HRID 921210 の反応式
[CH2:1]([C:5]1[CH:6]=[C:7]([CH2:11][OH:12])[CH:8]=[CH:9][CH:10]=1)[CH2:2][CH:3]=[CH2:4].[CH2:13]([O:16][C:17]1([CH3:46])[CH2:22][CH2:21][N:20]([C:23]2[N:28]3[N:29]=[C:30]([CH2:32]I)[CH:31]=[C:27]3[N:26]=[C:25]([CH3:34])[C:24]=2[C@H:35]([O:41][C:42]([CH3:45])([CH3:44])[CH3:43])[C:36]([O:38][CH2:39][CH3:40])=[O:37])[CH2:19][CH2:18]1)[CH:14]=[CH2:15].[H-].[Na+]>CN(C=O)C>[CH2:13]([O:16][C:17]1([CH3:46])[CH2:18][CH2:19][N:20]([C:23]2[N:28]3[N:29]=[C:30]([CH2:32][O:12][CH2:11][C:7]4[CH:8]=[CH:9][CH:10]=[C:5]([CH2:1][CH2:2][CH:3]=[CH2:4])[CH:6]=4)[CH:31]=[C:27]3[N:26]=[C:25]([CH3:34])[C:24]=2[C@H:35]([O:41][C:42]([CH3:45])([CH3:44])[CH3:43])[C:36]([O:38][CH2:39][CH3:40])=[O:37])[CH2:21][CH2:22]1)[CH:14]=[CH2:15]
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

5

反応物 3

HCID 24758Sodium hydrideHCID 68725274(3-(But-3-en-1-yl)phenyl)methanolHCID 118318796(S)-ethyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(iodomethyl)-5-methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate

生成物 1

HCID 118318862(S)-ethyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(((3-(but-3-en-1-yl)benzyl)oxy)methyl)-5-methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate収率 32.7%

試薬・触媒・溶媒

1
HCID 6228Dimethylformamide溶媒

反応条件

温度
0 °C

実験手順

To a mixture of (3-(but-3-en-1-yl)phenyl)methanol (40.2 mg, 0.248 mmol) in DMF (3 mL) at 0° C. was added (S)-ethyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(iodomethyl)-5-methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate (145 mg, 0.248 mmol) and NaH (9.92 mg, 0.248 mmol). The mixture was stirred at 0° C. for 3 h. It was then quenched with NH4Cl, extracted with EtOAc. The organic layer was dried over MgSO4, filtered and concentrated. The residue was purified by biotage, eluting with 20% EtOAc/hexane to obtain (S)-ethyl 2-(7-(4-(allyloxy)-4-methylpiperidin-1-yl)-2-(((3-(but-3-en-1-yl)benzyl)oxy)methyl)-5-methylpyrazolo[1,5-a]pyrimidin-6-yl)-2-(tert-butoxy)acetate (50 mg, 0.081 mmol, 32.6% yield) as an oil. LCMS (M+1)=619.5.

後処理

  1. customIt was then quenched with NH4Cl
  2. extractionextracted with EtOAc
  3. dry with materialThe organic layer was dried over MgSO4
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe residue was purified by biotage
  7. washeluting with 20% EtOAc/hexane

出典と根拠

ORDレコード
ord-1bd32adb07bf455394bb51df9938bb94
出典データセット
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09273067B2

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