4-Bromopyrimidine-2-carbonitrile → Ethyl 4-(3-(2-cyanopyrimidin-4-yl)phenyl)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate
反応式
CC1(C)C(C)(C)OB([C:9]2[CH:10]=[C:11]([C:15]3[C:16]4[C:23]([C:24]([O:26][CH2:27][CH3:28])=[O:25])=[CH:22][N:21]([CH2:29][O:30][CH2:31][CH2:32][Si:33]([CH3:36])([CH3:35])[CH3:34])[C:17]=4[N:18]=[CH:19][N:20]=3)[CH:12]=[CH:13][CH:14]=2)O1.Br[C:39]1[CH:44]=[CH:43][N:42]=[C:41]([C:45]#[N:46])[N:40]=1>C(=O)([O-])[O-].[Na+].[Na+].COCCOC.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:45]([C:41]1[N:42]=[C:43]([C:9]2[CH:10]=[C:11]([C:15]3[C:16]4[C:23]([C:24]([O:26][CH2:27][CH3:28])=[O:25])=[CH:22][N:21]([CH2:29][O:30][CH2:31][CH2:32][Si:33]([CH3:36])([CH3:35])[CH3:34])[C:17]=4[N:18]=[CH:19][N:20]=3)[CH:12]=[CH:13][CH:14]=2)[CH:44]=[CH:39][N:40]=1)#[N:46]参加物
反応物 2
生成物 1
試薬・触媒・溶媒 3
反応条件
- 温度
- 95 °C
実験手順
A mixture of ethyl 4-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylate (54.4 mg, 0.104 mmol), 4-bromopyrimidine-2-carbonitrile (38.2 mg, 0.208 mmol), and tetrakis(triphenylphosphine)palladium(0) (24 mg, 0.021 mmol) in 2 M aqueous sodium carbonate (150 uL) and DME (500 μL) was purged with argon. The reaction vessel was then sealed and heated at 95° C. overnight. The reaction mixture was filtered through Celite and rinsed with ethyl acetate. The reaction solution was concentrated under reduced pressure and the residue purified by chromatography on silica eluting with 40-60% ethyl acetatehexane to give the desired product. LRMS calc'd for C26H29N6O3Si [M+H]+: 501, found 501.
後処理
- customwas purged with argon
- customThe reaction vessel was then sealed
- filtrationThe reaction mixture was filtered through Celite
- washrinsed with ethyl acetate
- concentrationThe reaction solution was concentrated under reduced pressure
- customthe residue purified by chromatography on silica eluting with 40-60% ethyl acetatehexane
出典と根拠
- ORDレコード
- ord-52b0886f08984b8583dca5ffd52fcb58
- 出典データセット
- uspto-grants-2015_03
- 特許番号
- US08993756B2
反応ノート
読み込み中…