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N,N'-Dimethylethylenediamine → 2-(4-Chloro-3-(3-hydroxyoxetan-3-yl)pyridin-2-yl)-3,4,6,7,8,9-hexahydropyrazino[1,2-a]indol-1(2H)-one

HRID 592678
ノート
印刷プレビュー

反応式

HRID 592678 の反応式
[C:1]1(=[O:14])[C:6]2=[CH:7][C:8]3[CH2:9][CH2:10][CH2:11][CH2:12][C:13]=3[N:5]2[CH2:4][CH2:3][NH:2]1.Br[C:16]1[C:21]([C:22]2([OH:26])[CH2:25][O:24][CH2:23]2)=[C:20]([Cl:27])[CH:19]=[CH:18][N:17]=1.CNCCNC.CC([O-])=O.[K+]>[Cu]I.O1CCOCC1>[Cl:27][C:20]1[CH:19]=[CH:18][N:17]=[C:16]([N:2]2[CH2:3][CH2:4][N:5]3[C:13]4[CH2:12][CH2:11][CH2:10][CH2:9][C:8]=4[CH:7]=[C:6]3[C:1]2=[O:14])[C:21]=1[C:22]1([OH:26])[CH2:25][O:24][CH2:23]1
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 8070N,N'-DimethylethylenediamineHCID 517044Potassium AcetateHCID 580439603,4,6,7,8,9-Hexahydropyrazino[1,2-a]indol-1(2H)-oneHCID 866842603-(2-Bromo-4-chloropyridin-3-yl)oxetan-3-ol

生成物 1

HCID 866842612-(4-Chloro-3-(3-hydroxyoxetan-3-yl)pyridin-2-yl)-3,4,6,7,8,9-hexahydropyrazino[1,2-a]indol-1(2H)-one収率 42%

試薬・触媒・溶媒 2

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)触媒HCID 312751,4-Dioxane溶媒

反応条件

温度
85 °C

実験手順

A 100 mL single-neck round-bottomed flask equipped with a magnetic stirrer was charged with 3,4,6,7,8,9-hexahydropyrazino[1,2-a]indol-1(2H)-one 101e (190 mg, 1.0 mmol), 148a (795 mg, 3.0 mmol), CuI (95 mg, 0.5 mmol), DMEDA (88 mg, 1.0 mmol), KOAc(294 mg, 3.0 mmol), and 1,4-dioxane (50 ml). The system was evacuated and then refilled with N2. A reflux condenser was attached to the flask, and the reaction mixture was heated at 85° C. for 15 h. Then, the mixture was cooled to room temperature and filtered. The filtrate was concentrated under reduced pressure and the resulting residue was purified by flash column chromatography eluting with 2:1 petroleum ether/ethyl acetate to afford 148b as a yellow solid (156 mg, 42%). MS: [M+H]+ 374.2.

後処理

  1. customA 100 mL single-neck round-bottomed flask equipped with a magnetic stirrer
  2. customThe system was evacuated
  3. additionrefilled with N2
  4. customA reflux condenser was attached to the flask
  5. temperatureThen, the mixture was cooled to room temperature
  6. filtrationfiltered
  7. concentrationThe filtrate was concentrated under reduced pressure
  8. customthe resulting residue was purified by flash column chromatography
  9. washeluting with 2:1 petroleum ether/ethyl acetate

出典と根拠

ORDレコード
ord-63dcce93e7c0426b8a15eebfac398ad9
出典データセット
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09238655B2

反応ノート

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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