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Water → diphenylmethyl (S)-3-[(2S,3R,4R,55)-2,3,4,6-tetrahydroxy-5-((N,N-dimethyl-L-valyl)-L-leucyl)aminohexanoyl]amino-3-phenylpropionate

HRID 2230417
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HRID 2230417 반응식
[CH3:1][N:2]([CH3:10])[C@H:3]([C:7](O)=[O:8])[CH:4]([CH3:6])[CH3:5].[OH:11][C@@H:12]([C@H:40]([OH:55])[C@H:41]([OH:54])[C@@H:42]([NH:45][C:46](=[O:53])[C@H:47]([CH2:49][CH:50]([CH3:52])[CH3:51])[NH2:48])[CH2:43][OH:44])[C:13]([NH:15][C@H:16]([C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1)[CH2:17][C:18]([O:20][CH:21]([C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=1)[C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)=[O:19])=[O:14].C(N(CC)CC)C.O>CN(C)C=O>[OH:11][C@@H:12]([C@H:40]([OH:55])[C@H:41]([OH:54])[C@@H:42]([NH:45][C:46](=[O:53])[C@H:47]([CH2:49][CH:50]([CH3:51])[CH3:52])[NH:48][C:7](=[O:8])[C@H:3]([CH:4]([CH3:6])[CH3:5])[N:2]([CH3:10])[CH3:1])[CH2:43][OH:44])[C:13]([NH:15][C@H:16]([C:34]1[CH:35]=[CH:36][CH:37]=[CH:38][CH:39]=1)[CH2:17][C:18]([O:20][CH:21]([C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=1)[C:22]1[CH:23]=[CH:24][CH:25]=[CH:26][CH:27]=1)=[O:19])=[O:14]
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참가 물질

6

반응물 4

HCID 962WaterHCID 8471TriethylamineHCID 11008044N,N-Dimethyl-L-ValineHCID 11039599diphenylmethyl (S)-3-[(2S,3R,4R,5S)-2,3,4,6-tetrahydroxy-5-(L-leucyl)aminohexanoyl]amino-3-phenylpropionate

생성물 1

HCID 59902701diphenylmethyl (S)-3-[(2S,3R,4R,55)-2,3,4,6-tetrahydroxy-5-((N,N-dimethyl-L-valyl)-L-leucyl)aminohexanoyl]amino-3-phenylpropionate
수율 94.3%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

To a solution of N,N-dimethyl-L-valine (58 mg) and diphenylmethyl (S)-3-[(2S,3R,4R,5S)-2,3,4,6-tetrahydroxy-5-(L-leucyl)aminohexanoyl]amino-3-phenylpropionate (250 mg) in dimethylformamide (4 ml) were added diethyl cyanophosophonate (82 mg) and triethylamine (0.14 ml) and the mixture was stirred at room temperature for 18 hours. After addition of water, the whole was extracted with ethyl acetate and the extract was washed with saturated brine, followed by drying over anhydrous sodium sulfate. Removal of the organic solvent gave a residue, which was recrystallized from ehtyl acetate-hexane to afford the title compound (282 mg).

후처리

  1. extractionthe whole was extracted with ethyl acetate
  2. washthe extract was washed with saturated brine
  3. dry with materialby drying over anhydrous sodium sulfate
  4. customRemoval of the organic solvent
  5. customgave a residue, which
  6. customwas recrystallized from ehtyl acetate-hexane

출처 및 근거

ORD 기록
ord-1303f71bf31748919d12826580d2042a
출처 데이터셋
uspto-grants-2002_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06423869B1

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