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Cesium carbonate → 3-[2-(2-Ethylbenzoimidazol-1-yl)-4-morpholin-4-ylthieno[3,2-d]pyrimidin-6-ylmethylene]azetidine-1-carboxylic acid tert-butyl ester

HRID 1922789
ノート
印刷プレビュー

反応式

HRID 1922789 の反応式
[C:1]([O:5][C:6]([N:8]1[CH2:11][C:10](=[CH:12][C:13]2[S:21][C:20]3[C:19]([N:22]4[CH2:27][CH2:26][O:25][CH2:24][CH2:23]4)=[N:18][C:17](Cl)=[N:16][C:15]=3[CH:14]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH2:29]([C:31]1[NH:32][C:33]2[CH:39]=[CH:38][CH:37]=[CH:36][C:34]=2[N:35]=1)[CH3:30].CC(C1C=C(C(C)C)C(C2C=CC=CC=2P(C2CCCCC2)C2CCCCC2)=C(C(C)C)C=1)C.C([O-])([O-])=O.[Cs+].[Cs+]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[C:1]([O:5][C:6]([N:8]1[CH2:11][C:10](=[CH:12][C:13]2[S:21][C:20]3[C:19]([N:22]4[CH2:27][CH2:26][O:25][CH2:24][CH2:23]4)=[N:18][C:17]([N:32]4[C:33]5[CH:39]=[CH:38][CH:37]=[CH:36][C:34]=5[N:35]=[C:31]4[CH2:29][CH3:30])=[N:16][C:15]=3[CH:14]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
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

7

反応物 4

HCID 10796Cesium carbonateHCID 158072-EthylbenzimidazoleHCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 596057503-(2-Chloro-4-morpholin-4-ylthieno[3,2-d]pyrimidin-6-ylmethylene)azetidine-1-carboxylic acid tert-butyl ester

生成物 1

HCID 596056083-[2-(2-Ethylbenzoimidazol-1-yl)-4-morpholin-4-ylthieno[3,2-d]pyrimidin-6-ylmethylene]azetidine-1-carboxylic acid tert-butyl ester
収率 112.2%

試薬・触媒・溶媒 2

HCID 9811564Bis(dibenzylideneacetone)palladium触媒HCID 312751,4-Dioxane溶媒

反応条件

温度
110 °C

実験手順

A mixture of 3-(2-chloro-4-morpholin-4-ylthieno[3,2-d]pyrimidin-6-ylmethylene)azetidine-1-carboxylic acid tert-butyl ester (1.1 g, 2.51 mmol), 2-ethylbenzimidazole (400 mg, 2.74 mmol), tris(dibenzylideneacetone)dipalladium (115 mg, 0.13 mmol), XPhos (240 mg, 0.50 mmol) and Cs2CO3 (1.25 g, 3.84 mmol) in dioxane (25 mL) was purged with argon then heated at 110° C. for 16 h. The reaction mixture was filtered through Celite®, washing with DCM, and the filtrate concentrated in vacuo. The resulting residue was purified by column chromatography (Si—PCC, MeOH:DCM, 0-10%) affording the title compound as an orange solid (1.5 g, quant.). LCMS (method A): RT 3.40 min [M+H]+ 533.4

後処理

  1. customwas purged with argon
  2. filtrationThe reaction mixture was filtered through Celite®
  3. washwashing with DCM
  4. concentrationthe filtrate concentrated in vacuo
  5. customThe resulting residue was purified by column chromatography (Si—PCC, MeOH:DCM, 0-10%)

出典と根拠

ORDレコード
ord-04900977e226495c885d5a7c6b31c4e9
出典データセット
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08173650B2

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