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Ethyl acetate hexane → 1-(4-Hydroxy-3-methoxy-phenyl)-2-(3-methoxy-phenyl)-ethyl-carbamic acid ethyl ester

HRID 1833155
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HRID 1833155 반응식
[CH2:1]([O:3][C:4](=[O:36])[N:5]([CH:12]([C:20]1[CH:25]=[CH:24][C:23]([O:26]CC2C=CC=CC=2)=[C:22]([O:34][CH3:35])[CH:21]=1)[CH2:13][C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1)CC(OC)OC)[CH3:2].[C:37](OCC)(=[O:39])C.CCCCCC>C(OCC)(=O)C.C(O)C.[Pd]>[CH2:1]([O:3][C:4](=[O:36])[NH:5][CH:12]([C:20]1[CH:25]=[CH:24][C:23]([OH:26])=[C:22]([O:34][CH3:35])[CH:21]=1)[CH2:13][C:14]1[CH:19]=[CH:18][CH:17]=[C:16]([O:39][CH3:37])[CH:15]=1)[CH3:2]
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참가 물질

6

반응물 2

HCID 21226206Ethyl acetate hexaneHCID 69550811[1-(4-Benzyloxy-3-methoxy-phenyl)-2-phenyl-ethyl]-(2,2-dimethoxy-ethyl)-carbamic acid ethyl ester

생성물 1

HCID 865956361-(4-Hydroxy-3-methoxy-phenyl)-2-(3-methoxy-phenyl)-ethyl-carbamic acid ethyl ester수율 56%

시약·촉매·용매 3

HCID 23938Palladium촉매HCID 702Ethanol
용매
HCID 8857Ethyl Acetate용매

실험 절차

To a stirred solution of [1-(4-benzyloxy-3-methoxy-phenyl)-2-phenyl-ethyl]-(2,2-dimethoxy-ethyl)-carbamic acid ethyl ester (10.5 g, 20 mmol) in ethyl acetate (100 mL) and ethanol (50 mL) was added 10% palladium on activated carbon (2 g). The mixture was hydrogenated at 1 atm for 15 hrs. The solution was filtered through a Celite plug and evaporated to afford a crude oil. Flash chromatography (Merck Silica gel 60, 70–230 mesh, 50% ethyl acetate/hexane) afforded (2,2-dimethoxy-ethyl)-[1-(4-hydroxy-3-methoxy-phenyl)-2-(3-methoxy-phenyl)-ethyl-carbamic acid ethyl ester as a colorless oil. (4.87 g, 56% yield)

후처리

  1. filtrationThe solution was filtered through a Celite plug
  2. customevaporated
  3. customto afford a crude oil

출처 및 근거

ORD 기록
ord-b42320d19ec34f54a30f42315b0dbde1
출처 데이터셋
uspto-grants-2006_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07067529B2

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