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Potassium Phosphate, Tribasic → HCID 86684405、化合物

HRID 1411842
ノート
印刷プレビュー

反応式

HRID 1411842 の反応式
[NH2:1][C:2]1[CH:3]=[C:4]([NH:8][C:9]2[C:10](=[O:17])[N:11]([CH3:16])[CH:12]=[C:13](Br)[N:14]=2)[CH:5]=[CH:6][CH:7]=1.[C:18]([O:21][CH2:22][C:23]1[C:24]([N:32]2[CH2:43][CH2:42][N:41]3[C:34](=[CH:35][C:36]4[CH2:37][C:38]([CH3:45])([CH3:44])[CH2:39][C:40]=43)[C:33]2=[O:46])=[N:25][CH:26]=[CH:27][C:28]=1B(O)O)(=[O:20])[CH3:19].C([O-])(=O)C.[K+].[O-]P([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].C(#N)C>[C:18]([O:21][CH2:22][C:23]1[C:24]([N:32]2[CH2:43][CH2:42][N:41]3[C:34](=[CH:35][C:36]4[CH2:37][C:38]([CH3:45])([CH3:44])[CH2:39][C:40]=43)[C:33]2=[O:46])=[N:25][CH:26]=[CH:27][C:28]=1[C:13]1[N:14]=[C:9]([NH:8][C:4]2[CH:5]=[CH:6][CH:7]=[C:2]([NH2:1])[CH:3]=2)[C:10](=[O:17])[N:11]([CH3:16])[CH:12]=1)(=[O:20])[CH3:19]
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 62657Potassium Phosphate, TribasicHCID 517044Potassium AcetateHCID 86684340[4-(Dihydroxyboranyl)-2-{4,4-dimethyl-9-oxo-1,10-diazatricyclo[6.4.0.02,6]dodeca-2(6),7-dien-10-yl}pyridin-3-yl]methyl acetateHCID 866844043-(3-Aminophenylamino)-5-bromo-1-methylpyrazin-2(1H)-one

生成物 1

HCID 86684405HCID 86684405、化合物収率 38.5%

試薬・触媒・溶媒 3

HCID 962Water触媒HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)触媒HCID 6342Acetonitrile溶媒

反応条件

温度
100 °C

実験手順

A 50-mL single-neck round-bottomed flask equipped with a magnetic stirrer and a reflux condenser was charged with 219a (480 mg, 1.62 mmol), (3-(acetoxymethyl)-2-(7,7-dimethyl-1-oxo-3,4,7,8-tetrahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-2(6H)-yl)pyridin-4-yl)boronic acid 199e (1.61 g, 4.05 mmol), Pd(dppf)Cl2 (134 mg, 0.162 mmol), potassium acetate (318 mg, 3.24 mmol), K3PO4 (706 mg, 3.24 mmol), acetonitrile (20 mL), and water (8 drops). After three cycles of vacuum/argon flush, the mixture was heated at 100° C. for 2 h. It was then filtered and the filtrate was evaporated in vacuo. The residue was purified by silica-gel column chromatography eluting with 20:1 ethyl acetate/methanol to afford 219b (354 mg, 38%) as a yellow solid. MS-ESI: [M+H]+ 568.3

後処理

  1. customA 50-mL single-neck round-bottomed flask equipped with a magnetic stirrer and a reflux condenser
  2. customAfter three cycles of vacuum/argon flush
  3. filtrationIt was then filtered
  4. customthe filtrate was evaporated in vacuo
  5. customThe residue was purified by silica-gel column chromatography
  6. washeluting with 20:1 ethyl acetate/methanol

出典と根拠

ORDレコード
ord-942037e8e3f4459dade57bbf9a7009db
出典データセット
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08921353B2

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