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Water → 3-(2,5-Dimethyl-phenyl)-4-ethoxymethoxy-8-methoxy-1,8-diaza-spiro[4.5]dec-3-en-2-one

HRID 1022391
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HRID 1022391 반응식
[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([CH3:8])=[CH:4][C:3]=1[C:9]1[C:10](=[O:22])[NH:11][C:12]2([CH2:19][CH2:18][N:17]([O:20][CH3:21])[CH2:16][CH2:15]2)[C:13]=1[OH:14].CCN(C(C)C)C(C)C.[CH2:32]([O:34][CH2:35]Cl)[CH3:33].O>O1CCCC1.C(OCC)(=O)C>[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([CH3:8])=[CH:4][C:3]=1[C:9]1[C:10](=[O:22])[NH:11][C:12]2([CH2:19][CH2:18][N:17]([O:20][CH3:21])[CH2:16][CH2:15]2)[C:13]=1[O:14][CH2:35][O:34][CH2:32][CH3:33]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 962WaterHCID 18523Chloromethyl ethyl etherHCID 81531DiisopropylethylamineHCID 547422463-(2,5-Dimethyl-phenyl)-4-hydroxy-8-methoxy-1,8-diazaspiro[4.5]dec-3-en-2-one

생성물 1

HCID 580312593-(2,5-Dimethyl-phenyl)-4-ethoxymethoxy-8-methoxy-1,8-diaza-spiro[4.5]dec-3-en-2-one

시약·촉매·용매 2

HCID 8028
Tetrahydrofuran
용매
HCID 8857Ethyl Acetate용매

실험 절차

To 250 mg of 3-(2,5-dimethyl-phenyl)-4-hydroxy-8-methoxy-1,8-diaza-spiro[4.5]dec-3-en-2-one in 2.5 ml of tetrahydrofuran are added 160 □l of Hünig's base and 85 □l of chloromethyl ethyl ether. After stirring for 20 hours at room temperature, water and ethyl acetate are added and the layers are separated. The aqueous phase is extracted with ethyl acetate, the combined organic phases dried with sodium sulfate, filtered and concentrated. Chromatography (heptane/acetone 4:1) yielded 72 mg of 3-(2,5-dimethyl-phenyl)-4-ethoxymethoxy-8-methoxy-1,8-diaza-spiro[4.5]dec-3-en-2-one as a solid, mp:150-152° C.

후처리

  1. customthe layers are separated
  2. extractionThe aqueous phase is extracted with ethyl acetate
  3. dry with materialthe combined organic phases dried with sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-32d706944d45499c83ad3b5fde117c23
출처 데이터셋
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08722578B2

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