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Methyl Ethyl Ketone → (3RS,4RS)-4-[4-(2-chloroethyloxy)phenyl]-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-3-methyl-thiochroman

HRID 1859348
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HRID 1859348 반응식
C(C(C)=O)C.[OH:6][C:7]1[CH:12]=[CH:11][C:10]([CH:13]2[C:22]3[C:17](=[CH:18][C:19]([O:23][CH2:24][O:25][CH3:26])=[CH:20][CH:21]=3)[S:16][CH2:15][C:14]2([C:28]2[CH:33]=[CH:32][C:31]([O:34][CH2:35][O:36][CH3:37])=[CH:30][CH:29]=2)[CH3:27])=[CH:9][CH:8]=1.C(=O)([O-])[O-].[K+].[K+].Br[CH2:45][CH2:46][Cl:47]>O>[Cl:47][CH2:46][CH2:45][O:6][C:7]1[CH:12]=[CH:11][C:10]([CH:13]2[C:22]3[C:17](=[CH:18][C:19]([O:23][CH2:24][O:25][CH3:26])=[CH:20][CH:21]=3)[S:16][CH2:15][C:14]2([C:28]2[CH:29]=[CH:30][C:31]([O:34][CH2:35][O:36][CH3:37])=[CH:32][CH:33]=2)[CH3:27])=[CH:9][CH:8]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 6569Methyl Ethyl KetoneHCID 78491-Bromo-2-ChloroethaneHCID 11430Potassium CarbonateHCID 22123581(3RS,4RS)-4-(4-hydroxyphenyl)-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-3-methylthiochroman

생성물 1

HCID 22123597(3RS,4RS)-4-[4-(2-chloroethyloxy)phenyl]-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-3-methyl-thiochroman수율 48%

시약·촉매·용매 1

HCID 962Water용매

실험 절차

To methyl ethyl ketone solution (3 ml) of (3RS,4RS)-4-(4-hydroxyphenyl)-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-3-methyl-thiochroman (126 mg, 0.28 mmol) were added potassium carbonate (96 mg, 0.70 mmol) and 1-bromo-2-chloroethane (115 ml, 1.38 mmol), and the mixture was heated under refluxing for 70 hours. After adding water, the reaction solution was extracted with ethyl acetate. The extract was distilled under reduced pressure to remove the solvent and the crude product thus obtained was then purified using silica gel plate (ethyl acetate:hexane=1:2) to obtain 69 mg (yield: 48%) of the title compound.

후처리

  1. temperaturethe mixture was heated
  2. temperatureunder refluxing for 70 hours
  3. extractionthe reaction solution was extracted with ethyl acetate
  4. distillationThe extract was distilled under reduced pressure
  5. customto remove the solvent
  6. customthe crude product thus obtained
  7. customwas then purified

출처 및 근거

ORD 기록
ord-2d0fecaafe9d47449a39e514f8254dfd
출처 데이터셋
uspto-grants-2000_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06153768

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