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Triethylamine → Methanesulfonic acid 2-(2-methoxy-phenyl)-cyclohexylmethyl ester

HRID 418908
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인쇄 미리보기

반응식

HRID 418908 반응식
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[CH:9]1[CH2:14][CH2:13][CH2:12][CH2:11][CH:10]1[CH2:15][OH:16].[CH3:17][S:18](Cl)(=[O:20])=[O:19].CNC1C=CC=C(NC)N=1.CCN(CC)CC>[Cl-].[Na+].O.O.ClCCl>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[CH:9]1[CH2:14][CH2:13][CH2:12][CH2:11][CH:10]1[CH2:15][O:16][S:18]([CH3:17])(=[O:20])=[O:19]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 4

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 111943672-N,6-N-dimethylpyridine-2,6-diamineHCID 66651820[2-(2-Methoxy-phenyl)-cyclohexyl]-methanol

생성물 1

HCID 72309397Methanesulfonic acid 2-(2-methoxy-phenyl)-cyclohexylmethyl ester수율 83%

시약·촉매·용매 3

HCID 962
Water
용매
HCID 6344Dichloromethane용매
HCID 57417360Sodium chloride; water용매

실험 절차

Combine [2-(2-methoxy-phenyl)-cyclohexyl]-methanol (0.725 g, 3.29 mmol), methanesulfonyl chloride (0.415 g, 3.62 mmol), 2,6-dimethylaminopyridine (80.0 mg, 0.66 mmol), Et3N (1.0 mL, 7.24 mmol), and dichloromethane (30.0 mL) at 0° C. After 20 min stir at room temperature under nitrogen. Reaction stirred for 18 hours then add water and brine. Separate layers and dry over anhydrous sodium sulfate. Concentrate and flash chromatography using 5 to 30% ethyl acetate/hexanes to yield the titled compound (0.810 g, 83%). TLC Rf=0.25 in 30% ethyl acetate/hexanes. 1H NMR (CDCl3): 7.2 (m, 1H), 7.1 (m, 1H), 6.9 (m, 2H), 4.3 (t, 1H, J=10.0 Hz), 3.9 (m, 4H), 3.3 (m, 1H), 2.8 (s, 3H), 2.6 (m, 1H), 1.8 (m, 6H), 1.5 (m, 2H).

후처리

  1. customat 0° C
  2. customReaction
  3. stirringstirred for 18 hours
  4. dry with materialSeparate layers and dry over anhydrous sodium sulfate
  5. concentrationConcentrate

출처 및 근거

ORD 기록
ord-169c08e88f7f494aa7eb9bc8a6b71c94
출처 데이터셋
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08093302B2

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