benzhydryl (E)-(2S,3S,5R)-3-(2-chloro-vinyl)-3-methyl-4,4,7-trioxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate → Sodium (E)-(2S,3S,5R)-3-(2-chloro-vinyl)-3-methyl-4,4,7-trioxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate

HRID 263746

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HRID 263746 반응식
[Cl:1]/[CH:2]=[CH:3]/[C@:4]1([CH3:30])[S:10](=[O:12])(=[O:11])[C@H:9]2[N:6]([C:7](=[O:13])[CH2:8]2)[C@H:5]1[C:14]([O:16]C(C1C=CC=CC=1)C1C=CC=CC=1)=[O:15].C(C(CCCC)C([O-])=O)C.[Na+:41]>C1C(O)=CC=CC=1C.CC(CC(C)C)=O>[Cl:1]/[CH:2]=[CH:3]/[C@:4]1([CH3:30])[S:10](=[O:12])(=[O:11])[C@H:9]2[N:6]([C:7](=[O:13])[CH2:8]2)[C@H:5]1[C:14]([O-:16])=[O:15].[Na+:41]

참가 물질

5

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온도
50 °C

실험 절차

385 mg (0.86 mmol) of benzhydryl (E)-(2S,3S,5R)-3-(2-chloro- vinyl) -3- methyl-4,4,7-trioxo-4-thia- 1-aza-bicyclo [3.2.0]heptane-2-carboxylate are dissolved in 2.3 ml of m-cresol under argon and stirred at 50° C. for 4 hours. Subsequently, the mixture was diluted with 15 ml of isobutyl methyl ketone, treated with 0.50 ml of sodium 2-ethylcaproate (2N solution in ethyl acetate) and extracted three times with 8 ml of water each time. The combined aqueous phases were washed once with 10 ml of isobutyl methyl ketone, lyophilized and the lyophilizate obtained was chromatographed over polymeric hydrophobic gel with water as the eluent. Yield: 57 mg (32%) MS: (M--Na)- 278.2 IR (KBr): 1780, 1626, 1564, 1417, 1329, 1145 cm-1

후처리

  1. extractionextracted three times with 8 ml of water each time
  2. washThe combined aqueous phases were washed once with 10 ml of isobutyl methyl ketone
  3. customthe lyophilizate obtained
  4. customwas chromatographed over polymeric hydrophobic gel with water as the eluent

출처 및 근거

ORD 기록
ord-5e606b15b4c5498c94046bd224fef880
출처 데이터셋
uspto-grants-1997_07
특허 번호
US05644053

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