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(6R,7R)-7-[[(2Z)-2-[5-[(2-methylpropan-2-yl)oxycarbonylamino]-1,2,4-thiadiazol-3-yl]-2-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethoxy]iminoacetyl]amino]-8-oxo-3-(3-oxobutanoyloxymethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid → (6R,7R)-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(carboxymethoxyimino)acetyl]amino]-8-oxo-3-(3-oxobutanoyloxymethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

HRID 1708894
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HRID 1708894 반응식
C(OC([NH:8][C:9]1[S:13][N:12]=[C:11](/[C:14](=[N:38]/[O:39][CH2:40][C:41]([O:43]C(C)(C)C)=[O:42])/[C:15]([NH:17][C@@H:18]2[C:36](=[O:37])[N:20]3[C:21]([C:33]([OH:35])=[O:34])=[C:22]([CH2:25][O:26][C:27](=[O:32])[CH2:28][C:29](=[O:31])[CH3:30])[CH2:23][S:24][C@H:19]23)=[O:16])[N:10]=1)=O)(C)(C)C>FC(F)(F)C(O)=O>[NH2:8][C:9]1[S:13][N:12]=[C:11](/[C:14](=[N:38]/[O:39][CH2:40][C:41]([OH:43])=[O:42])/[C:15]([NH:17][C@@H:18]2[C:36](=[O:37])[N:20]3[C:21]([C:33]([OH:35])=[O:34])=[C:22]([CH2:25][O:26][C:27](=[O:32])[CH2:28][C:29](=[O:31])[CH3:30])[CH2:23][S:24][C@H:19]23)=[O:16])[N:10]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

3

반응물 1

HCID 88417246(6R,7R)-7-[[(2Z)-2-[5-[(2-methylpropan-2-yl)oxycarbonylamino]-1,2,4-thiadiazol-3-yl]-2-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethoxy]iminoacetyl]amino]-8-oxo-3-(3-oxobutanoyloxymethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

생성물 1

HCID 15575239(6R,7R)-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(carboxymethoxyimino)acetyl]amino]-8-oxo-3-(3-oxobutanoyloxymethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid수율 95.2%

시약·촉매·용매 1

HCID 6422
Trifluoroacetic acid
용매

실험 절차

To 50 ml of trifluoroacetic acid is added 23 g of 7β-[2-(5-tert-butoxycarbonylamino-1,2,4-thiadiazol-3-yl)-2(Z)-(tert-butoxycarbonylmethoxyimino)acetamido]-3-(3-oxobutyryloxymethyl)-3-cephem-4-carboxylic acid with stirring under ice-cooling. After removing the cooling-bath, the mixture is stirred for 1.5 hours. To the residue is added 50 ml of ethyl acetate and the solvent is evaporated off under reduced pressure. Fifty milliliter of ethyl acetate is added to the residue. Trituration and filtration of the resulting precipitate give 17 g of the above-identified compound.

후처리

  1. temperaturecooling
  2. customAfter removing the cooling-bath
  3. stirringthe mixture is stirred for 1.5 hours
  4. additionTo the residue is added 50 ml of ethyl acetate
  5. customthe solvent is evaporated off under reduced pressure
  6. additionFifty milliliter of ethyl acetate is added to the residue
  7. filtrationTrituration and filtration of the resulting precipitate

출처 및 근거

ORD 기록
ord-929a1037de7d4737badc5a3b97148bc5
출처 데이터셋
uspto-grants-1990_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04946837

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