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Ethyl Acetate → 5-Fluoro-3-{1-[2,3,9,10-tetrahydro-8H-[1,4]dioxino[2,3-f]chromen-2-ylmethyl]-1,2,3,6-tetrahydro-4-pyridinyl}1H-indole

HRID 49258
ノート
印刷プレビュー

反応式

HRID 49258 の反応式
CC1C=CC(S(O[CH2:12][C@@H:13]2[O:26][C:17]3=[C:18]4[C:23](=[CH:24][CH:25]=[C:16]3[O:15][CH2:14]2)[O:22][CH2:21][CH2:20][CH2:19]4)(=O)=O)=CC=1.[F:27][C:28]1[CH:29]=[C:30]2[C:34](=[CH:35][CH:36]=1)[NH:33][CH:32]=[C:31]2[C:37]1[CH2:38][CH2:39][NH:40][CH2:41][CH:42]=1.C(OCC)(=O)C>CS(C)=O>[F:27][C:28]1[CH:29]=[C:30]2[C:34](=[CH:35][CH:36]=1)[NH:33][CH:32]=[C:31]2[C:37]1[CH2:38][CH2:39][N:40]([CH2:12][CH:13]2[O:26][C:17]3=[C:18]4[C:23](=[CH:24][CH:25]=[C:16]3[O:15][CH2:14]2)[O:22][CH2:21][CH2:20][CH2:19]4)[CH2:41][CH:42]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 8857Ethyl AcetateHCID 113449595-fluoro-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indoleHCID 20579159(2R)-2,3,9,10-tetrahydro-8H-[1,4]dioxino[2,3-f]chromen-2-ylmethyl 4-methylbenzenesulfonate

生成物 1

HCID 102956415-Fluoro-3-{1-[2,3,9,10-tetrahydro-8H-[1,4]dioxino[2,3-f]chromen-2-ylmethyl]-1,2,3,6-tetrahydro-4-pyridinyl}1H-indole収率 53.9%

試薬・触媒・溶媒 1

HCID 679
Dimethyl Sulfoxide
溶媒

実験手順

A solution of 0.55 g (1.5 mmole) of (2R)-2,3,9,10-tetrahydro-8H-[1,4]-dioxino[2,3-f]chromen-2-ylmethyl 4-methylbenzenesulfonate and 1.0 g (4.6 mmole) of 5-fluoro-3-(1,2,3,6-tetrahydro-4-pyridinyl)-1H-indole in 10 mL of DMSO was heated under nitrogen at 80° C. for 6 hours. After the reaction had cooled to room temperature, 400 mL of ethyl acetate was added and the solution was washed with 250 mL portions of saturated aqueous sodium bicarbonate, water and saturated brine, dried over sodium sulfate, filtered and concentrated in vacuum. The residue was column chromatographed on silica gel with 0.5% methanol in chloroform to give 0.34 g of the desired product as a pale yellow foam. This was crystallized from ethanol with the addition of 0.10 g of fumaric acid to give 0.24 g of the (S)-enantiomer of the title compound as a pale yellow solid, m.p. 205-206° C.

後処理

  1. washthe solution was washed with 250 mL portions of saturated aqueous sodium bicarbonate, water and saturated brine
  2. dry with materialdried over sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated in vacuum
  5. customchromatographed on silica gel with 0.5% methanol in chloroform

出典と根拠

ORDレコード
ord-4e0fb968689c4b6bb2eb2bb054c724cc
出典データセット
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06706736B2

反応ノート

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