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Potassium Phosphate, Tribasic → (2-(6-tert-Butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)-4-(1-methyl-5-(5-methylisoxazol-3-ylamino)-6-oxo-1,6-dihydropyridazin-3-yl)pyridin-3-yl)methyl Acetate

HRID 407756
ノート
印刷プレビュー

反応式

HRID 407756 の反応式
Cl[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:15]=[C:14]([CH3:16])[O:13][N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[N:7]=1.[C:17]([O:20][CH2:21][C:22]1[C:23]([N:37]2[N:46]=[CH:45][C:44]3[C:39](=[C:40]([F:51])[CH:41]=[C:42]([C:47]([CH3:50])([CH3:49])[CH3:48])[CH:43]=3)[C:38]2=[O:52])=[N:24][CH:25]=[CH:26][C:27]=1B1OC(C)(C)C(C)(C)O1)(=[O:19])[CH3:18].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:17]([O:20][CH2:21][C:22]1[C:23]([N:37]2[N:46]=[CH:45][C:44]3[C:39](=[C:40]([F:51])[CH:41]=[C:42]([C:47]([CH3:49])([CH3:48])[CH3:50])[CH:43]=3)[C:38]2=[O:52])=[N:24][CH:25]=[CH:26][C:27]=1[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:15]=[C:14]([CH3:16])[O:13][N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[N:7]=1)(=[O:19])[CH3:18]
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 86683972(2-(6-tert-butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)methyl acetateHCID 866840236-Chloro-2-methyl-4-(5-methylisoxazol-3-ylamino)pyridazin-3(2H)-one

生成物 1

HCID 86684024
(2-(6-tert-Butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)-4-(1-methyl-5-(5-methylisoxazol-3-ylamino)-6-oxo-1,6-dihydropyridazin-3-yl)pyridin-3-yl)methyl Acetate
収率 32%

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
95 °C

実験手順

A 100-mL single-neck round-bottomed flask equipped with a magnetic stirrer and a reflux condenser was charged with 141a (288 mg, 1.2 mmol), 3-(acetoxymethyl)-2-(6-tert-butyl-8-fluoro-1-oxo-phthalazin-2(1H)-yl)pyridin-4-ylboronic acid 116c (1.49 g, 3.6 mmol), Pd(dppf)Cl2 (99 mg, 0.12 mmol), potassium acetate (235 mg, 2.4 mmol), K3PO4 (523 mg, 2.4 mmol), acetonitrile (20 mL), and water (10 drops). After three cycles of vacuum/argon flush, the mixture was heated at 95° C. for 2 h. It was then filtered and the filtrate was concentrated under reduced pressure. The residue was purified by silica-gel column chromatography eluting with 1:1 ethyl acetate/petroleum ether to afford 141b (220 mg, 32%) as a yellow solid. MS-ESI: [M+H]+ 574.2

後処理

  1. customA 100-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. concentrationthe filtrate was concentrated under reduced pressure
  5. customThe residue was purified by silica-gel column chromatography
  6. washeluting with 1:1 ethyl acetate/petroleum ether

出典と根拠

ORDレコード
ord-4f8e2ef9dd85456e97eea1b8f133190a
出典データセット
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08754077B2

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