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Water → 1-((S)-7-Fluoro-2,3-dihydrobenzo[1,4]dioxin-2-ylmethyl)-3-methyl-3-[(S)-2-(tetrahydropyran-2-yloxy)ethoxymethyl]piperidine

HRID 2407316
ノート
印刷プレビュー

反応式

HRID 2407316 の反応式
[CH3:1][C@:2]1([CH2:8][O:9][CH2:10][CH2:11][O:12][CH:13]2[CH2:18][CH2:17][CH2:16][CH2:15][O:14]2)[CH2:7][CH2:6][CH2:5][NH:4][CH2:3]1.[F:19][C:20]1[CH:21]=[CH:22][C:23]2[O:28][CH2:27][C@H:26]([CH2:29]OS(C)(=O)=O)[O:25][C:24]=2[CH:35]=1.C([O-])([O-])=O.[K+].[K+].O>CN(C=O)C>[F:19][C:20]1[CH:21]=[CH:22][C:23]2[O:28][CH2:27][C@H:26]([CH2:29][N:4]3[CH2:5][CH2:6][CH2:7][C:2]([CH3:1])([CH2:8][O:9][CH2:10][CH2:11][O:12][C@H:13]4[CH2:18][CH2:17][CH2:16][CH2:15][O:14]4)[CH2:3]3)[O:25][C:24]=2[CH:35]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 66727215(S)-3-Methyl-3-[2-(tetrahydropyran-2-yloxy)ethoxymethyl]piperidineHCID 86644722methanesulfonic acid (R)-(7-fluoro-2,3-dihydrobenzo[1,4]dioxin-2-yl)methyl ester

生成物 1

HCID 667268271-((S)-7-Fluoro-2,3-dihydrobenzo[1,4]dioxin-2-ylmethyl)-3-methyl-3-[(S)-2-(tetrahydropyran-2-yloxy)ethoxymethyl]piperidine収率 23.6%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

(S)-3-Methyl-3-[2-(tetrahydropyran-2-yloxy)ethoxymethyl]piperidine (100 mg, 0.39 mmol), methanesulfonic acid (R)-(7-fluoro-2,3-dihydrobenzo[1,4]dioxin-2-yl)methyl ester (102 mg, 0.39 mmol), K2CO3 (59 mg, 0.43 mmol) and KI (3 mg) were refluxed in dry DMF (3 ml) for 5 h. Water was added to the cooled mixture, followed by extraction with EtOAc (3×15 ml). The extracts were washed several times with water and finally with brine. After drying and filtering, the solvent was evaporated to give 143 mg of the crude product. This was chromatographed on silica (heptane/EtOAc, 70:30) to give 39 mg of the title compound as a colorless oil.

後処理

  1. extractionfollowed by extraction with EtOAc (3×15 ml)
  2. washThe extracts were washed several times with water
  3. customAfter drying
  4. filtrationfiltering
  5. customthe solvent was evaporated
  6. customto give 143 mg of the crude product
  7. customThis was chromatographed on silica (heptane/EtOAc, 70:30)

出典と根拠

ORDレコード
ord-c085111c87de4baba1254213548db91a
出典データセット
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08809536B2

反応ノート

読み込み中…

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