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4-nitrobenzyl (1R, 5S, 6S)-2-[(2S, 4S)-2-[4-(N-4-nitrobenzyloxycarbonylacetimidoyl)piperazin-1-ylcarbonyl]-1-(4-nitrobenzyloxycarbonyl)pyrrolidin-4-ylthio]-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylate → (1R, 5S, 6S)-2-[(2S, 4S)-2-(4-Acetimidoylpiperazin-1-ylcarbonyl)pyrrolidin-4-ylthio]-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylic acid

HRID 727583
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HRID 727583 반응식
[N+](C1C=CC(COC([N:12]=[C:13]([N:15]2[CH2:20][CH2:19][N:18]([C:21]([C@@H:23]3[CH2:27][C@H:26]([S:28][C:29]4[C@H:30]([CH3:53])[C@@H:31]5[C@@H:48]([C@H:49]([OH:51])[CH3:50])[C:47](=[O:52])[N:32]5[C:33]=4[C:34]([O:36]CC4C=CC([N+]([O-])=O)=CC=4)=[O:35])[CH2:25][N:24]3C(OCC3C=CC([N+]([O-])=O)=CC=3)=O)=[O:22])[CH2:17][CH2:16]2)[CH3:14])=O)=CC=1)([O-])=O>O1CCCC1.O>[C:13]([N:15]1[CH2:16][CH2:17][N:18]([C:21]([C@@H:23]2[CH2:27][C@H:26]([S:28][C:29]3[C@H:30]([CH3:53])[C@@H:31]4[C@@H:48]([C@H:49]([OH:51])[CH3:50])[C:47](=[O:52])[N:32]4[C:33]=3[C:34]([OH:36])=[O:35])[CH2:25][NH:24]2)=[O:22])[CH2:19][CH2:20]1)(=[NH:12])[CH3:14]
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참가 물질

4

반응물 1

HCID 1317204064-nitrobenzyl (1R, 5S, 6S)-2-[(2S, 4S)-2-[4-(N-4-nitrobenzyloxycarbonylacetimidoyl)piperazin-1-ylcarbonyl]-1-(4-nitrobenzyloxycarbonyl)pyrrolidin-4-ylthio]-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylate

생성물 1

HCID 9956142(1R, 5S, 6S)-2-[(2S, 4S)-2-(4-Acetimidoylpiperazin-1-ylcarbonyl)pyrrolidin-4-ylthio]-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylic acid수율 23.5%

시약·촉매·용매 2

HCID 962Water
용매
HCID 8028Tetrahydrofuran용매

실험 절차

114 mg of 4-nitrobenzyl (1R,5S,6S)-2-[(2S,4S)-2-[4-(N-4-nitrobenzyloxycarbonylacetimidoyl)piperazin-1-ylcarbonyl]-1-(4-nitrobenzyloxycarbonyl)pyrrolidin-4-ylthio]-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylate [prepared as described in step (a) above] were dissolved in 6 ml of a 2:1 by volume mixture of tetrahydrofuran and water, and were hydrogenated by bubbling hydrogen through it at room temperature for 2 hours in the presence of 300 mg of 10% w/w palladium-on-charcoal. At the end of this time, the catalyst was filtered off and the filtrate was washed with diethyl ether. The resulting solution was concentrated by evaporation under reduced pressure, and the residue was purified by reverse phase column chromatography through 5 ml of Cosmo Sil 75C18 -PREP (a trade mark for a product of Nacalai Tesque), using 20% v/v aqueous methanol as the eluent. Those fractions containing the title compound were combined, concentrated by evaporation under reduced pressure, and lyophilized, to give 13 mg of the title compound as a powder.

후처리

  1. customby bubbling hydrogen through it at room temperature for 2 hours in the presence of 300 mg of 10% w/w palladium-on-charcoal
  2. filtrationAt the end of this time, the catalyst was filtered off
  3. washthe filtrate was washed with diethyl ether
  4. concentrationThe resulting solution was concentrated by evaporation under reduced pressure
  5. customthe residue was purified by reverse phase column chromatography through 5 ml of Cosmo Sil 75C18 -PREP (a trade mark for a product of Nacalai Tesque),
  6. additionThose fractions containing the title compound
  7. concentrationconcentrated by evaporation under reduced pressure

출처 및 근거

ORD 기록
ord-62f3f9328d144e43a8ded2644a733e00
출처 데이터셋
uspto-grants-1998_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05712267

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