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Hydrochloric Acid → (3S,4R)-3-[(1R)-1-hydroxyethyl]-4-{(1R)-1-methyl-2-[7-(pyridin-3-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-2-oxo ethyl)-1-[4-nitrobenzyloxycarbonyl(triphenyl phosphoranylidene)methyl]azetidin-2-one

HRID 230042
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HRID 230042 반응식
Cl.[Si]([O:9][C@@H:10]([C@@H:12]1[C@@H:15]([C@@H:16]([CH3:35])[C:17]([C:19]2[S:23][C:22]3=[C:24]([C:27]([C:29]4[CH:30]=[N:31][CH:32]=[CH:33][CH:34]=4)=[O:28])[N:25]=[CH:26][N:21]3[CH:20]=2)=[O:18])[N:14]([C:36]([C:56]([O:58][CH2:59][C:60]2[CH:65]=[CH:64][C:63]([N+:66]([O-:68])=[O:67])=[CH:62][CH:61]=2)=[O:57])=[P:37]([C:50]2[CH:55]=[CH:54][CH:53]=[CH:52][CH:51]=2)([C:44]2[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=2)[C:38]2[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=2)[C:13]1=[O:69])[CH3:11])(C(C)(C)C)(C)C.C(=O)(O)[O-].[Na+]>CO>[OH:9][C@@H:10]([C@@H:12]1[C@@H:15]([C@@H:16]([CH3:35])[C:17]([C:19]2[S:23][C:22]3=[C:24]([C:27]([C:29]4[CH:30]=[N:31][CH:32]=[CH:33][CH:34]=4)=[O:28])[N:25]=[CH:26][N:21]3[CH:20]=2)=[O:18])[N:14]([C:36]([C:56]([O:58][CH2:59][C:60]2[CH:61]=[CH:62][C:63]([N+:66]([O-:68])=[O:67])=[CH:64][CH:65]=2)=[O:57])=[P:37]([C:38]2[CH:39]=[CH:40][CH:41]=[CH:42][CH:43]=2)([C:44]2[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=2)[C:50]2[CH:55]=[CH:54][CH:53]=[CH:52][CH:51]=2)[C:13]1=[O:69])[CH3:11]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 516892Sodium BicarbonateHCID 86619389(3S,4R)-3-[(1R)-1-(t-butyldimethylsilyloxy)ethyl]-4-{(1R)-1-methyl-2-[7-(pyridin-3-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-2-oxoethyl}-1-[4-nitrobenzyloxycarbonyl(triphenylphosphoranylidene)-methyl]azetidin-2-one

생성물 1

HCID 86619388
(3S,4R)-3-[(1R)-1-hydroxyethyl]-4-{(1R)-1-methyl-2-[7-(pyridin-3-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-2-oxo ethyl)-1-[4-nitrobenzyloxycarbonyl(triphenyl phosphoranylidene)methyl]azetidin-2-one
수율 73.5%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

A 5 N aqueous hydrochloric acid solution (1 ml) was added to a solution of 72.4 mg of (3S,4R)-3-[(1R)-1-(t-butyldimethylsilyloxy)ethyl]-4-{(1R)-1-methyl-2-[7-(pyridin-3-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-2-oxoethyl}-1-[4-nitrobenzyloxycarbonyl(triphenylphosphoranylidene)-methyl]azetidin-2-one in 2 ml of methanol, and the mixture was stirred at room temperature for 2 hr. The reaction mixture was neutralized with saturated aqueous sodium bicarbonate solution and was extracted with ethyl acetate. The organic layer was washed with saturated brine and was dried over anhydrous magnesium sulfate. The solvent was removed by evaporation, and the residue was purified by thin layer chromatography (developed with 10% methanol/methylene chloride) to give 46.9 mg of (3S,4R)-3-[(1R)-1-hydroxyethyl]-4-{(1R)-1-methyl-2-[7-(pyridin-3-yl)carbonylimidazo[5,1-b]thiazol-2-yl]-2-oxoethyl}-1-[4-nitrobenzyloxycarbonyl(triphenyl phosphoranylidene)methyl]azetidin-2-one.

후처리

  1. extractionwas extracted with ethyl acetate
  2. washThe organic layer was washed with saturated brine
  3. dry with materialwas dried over anhydrous magnesium sulfate
  4. customThe solvent was removed by evaporation
  5. customthe residue was purified by thin layer chromatography (developed with 10% methanol/methylene chloride)

출처 및 근거

ORD 기록
ord-e36a61e4244247bf9e16eb28e2df63ac
출처 데이터셋
uspto-grants-2009_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07563901B2

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