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Methanesulfonyl chloride → 2-(4-(5-(2-Cyclopentyl-6-methoxypyridin-4-yl)-1,2,4-oxadiazol-3-yl)-2-ethyl-6-methylphenoxy)ethyl methanesulfonate

HRID 2278780
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HRID 2278780 반응식
[CH:1]1([C:6]2[CH:11]=[C:10]([C:12]3[O:16][N:15]=[C:14]([C:17]4[CH:26]=[C:25]([CH3:27])[C:20]([O:21][CH2:22][CH2:23][OH:24])=[C:19]([CH2:28][CH3:29])[CH:18]=4)[N:13]=3)[CH:9]=[C:8]([O:30][CH3:31])[N:7]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1.CCN(C(C)C)C(C)C.[CH3:41][S:42](Cl)(=[O:44])=[O:43]>C1COCC1.CC(=O)OCC>[CH3:41][S:42]([O:24][CH2:23][CH2:22][O:21][C:20]1[C:25]([CH3:27])=[CH:26][C:17]([C:14]2[N:13]=[C:12]([C:10]3[CH:9]=[C:8]([O:30][CH3:31])[N:7]=[C:6]([CH:1]4[CH2:2][CH2:3][CH2:4][CH2:5]4)[CH:11]=3)[O:16][N:15]=2)=[CH:18][C:19]=1[CH2:28][CH3:29])(=[O:44])=[O:43]
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참가 물질

6

반응물 3

HCID 31297Methanesulfonyl chlorideHCID 81531DiisopropylethylamineHCID 705581362-(4-(5-(2-Cyclopentyl-6-methoxypyridin-4-yl)-1,2,4-oxadiazol-3-yl)-2-ethyl-6-methylphenoxy)ethanol

생성물 1

HCID 867020182-(4-(5-(2-Cyclopentyl-6-methoxypyridin-4-yl)-1,2,4-oxadiazol-3-yl)-2-ethyl-6-methylphenoxy)ethyl methanesulfonate수율 96.8%

시약·촉매·용매 2

HCID 8028
Tetrahydrofuran
용매
HCID 8857Ethyl Acetate용매

실험 절차

To a solution of 2-(4-(5-(2-cyclopentyl-6-methoxypyridin-4-yl)-1,2,4-oxadiazol-3-yl)-2-ethyl-6-methylphenoxy)ethanol (638 mg, 1.51 mmol) in THF, DIPEA (389 mg, 3.01 mmol) is added. The mixture is cooled to 0° C. before methanesulfonyl chloride (207 mg, 1.81 mmol) is added. The mixture is stirred at rt for 30 min before it is diluted with EA (100 mL) and washed with sat. aq. NaHCO3 solution (50 mL) and brine (50 mL). The org. extract is dried over MgSO4, filtered and concentrated to give 2-(4-(5-(2-cyclopentyl-6-methoxypyridin-4-yl)-1,2,4-oxadiazol-3-yl)-2-ethyl-6-methylphenoxy)ethyl methanesulfonate (733 mg) as a yellow oil; LC-MS: tR=1.19 min, [M+H]+=502.05.

후처리

  1. additionis added
  2. washwashed with sat. aq. NaHCO3 solution (50 mL) and brine (50 mL)
  3. extractionextract
  4. dry with materialis dried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated

출처 및 근거

ORD 기록
ord-07fec1059993482b9db5bcd1501c3165
출처 데이터셋
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09133179B2

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