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Ethyl Acetate → 4-{4-[4-(Hydroxyethyloxy)phenyl]-1-butyl}-7-methoxymethyloxy-3-(4-methoxymethyloxyphenyl)-3-methylchroman

HRID 1792401
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HRID 1792401 반응식
C([O:5][C:6]([CH2:8][O:9][C:10]1[CH:15]=[CH:14][C:13]([CH2:16][CH2:17][CH2:18][CH2:19][CH:20]2[C:29]3[C:24](=[CH:25][C:26]([O:30][CH2:31][O:32][CH3:33])=[CH:27][CH:28]=3)[O:23][CH2:22][C:21]2([C:35]2[CH:40]=[CH:39][C:38]([O:41][CH2:42][O:43][CH3:44])=[CH:37][CH:36]=2)[CH3:34])=[CH:12][CH:11]=1)=O)(C)(C)C.[H-].[Al+3].[Li+].[H-].[H-].[H-].[OH-].[Na+].C(OCC)(=O)C>O1CCCC1>[OH:5][CH2:6][CH2:8][O:9][C:10]1[CH:15]=[CH:14][C:13]([CH2:16][CH2:17][CH2:18][CH2:19][CH:20]2[C:29]3[C:24](=[CH:25][C:26]([O:30][CH2:31][O:32][CH3:33])=[CH:27][CH:28]=3)[O:23][CH2:22][C:21]2([C:35]2[CH:36]=[CH:37][C:38]([O:41][CH2:42][O:43][CH3:44])=[CH:39][CH:40]=2)[CH3:34])=[CH:12][CH:11]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 8857Ethyl AcetateHCID 14798Sodium HydroxideHCID 21226445Aluminium lithium hydrideHCID 220330124-{4-[4-(t-Butoxycarbonylmethyloxy)phenyl]-1-butyl}-7-methoxymethyloxy-3-(4-methoxymethyloxyphenyl)-3-methylchroman

생성물 1

HCID 695898584-{4-[4-(Hydroxyethyloxy)phenyl]-1-butyl}-7-methoxymethyloxy-3-(4-methoxymethyloxyphenyl)-3-methylchroman수율 100%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of 4-{4-[4-(t-butoxycarbonylmethyloxy)phenyl]-1-butyl}-7-methoxymethyloxy-3-(4-methoxymethyloxyphenyl)-3-methylchroman (744 mg, 1.226 mmol) in dry tetrahydrofuran (10 mi) was added lithium aluminum hydride (71.8 mg, 1.89 mmol) at 0° C. and stirred for 4 h at the room temperature. When the reaction was completed, 17% sodium hydroxide solution was added to the reaction solution until the white precipitate appeared, and then added ethyl acetate to the reaction mixture. The resulting mixture was filtered over celite and washed several times with ethyl acetate. The filtrate was concentrated under reduced pressure to give the title compound (658 mg, yield: quant.) as a colorless oil. The resulting compound was used in the next reaction without purification.

후처리

  1. filtrationThe resulting mixture was filtered over celite
  2. washwashed several times with ethyl acetate
  3. concentrationThe filtrate was concentrated under reduced pressure

출처 및 근거

ORD 기록
ord-d3ba945d069046049c5a08a5de0469e4
출처 데이터셋
uspto-grants-2006_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07074819B2

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