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Triphenylphosphine → (5R,6S)-3-[1-allylpyrrolidin-3-yl)-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

HRID 1029693
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HRID 1029693 반응식
C(O[C:5]([N:7]1[CH2:11][CH2:10][CH:9]([C:12]2[CH2:18][C@H:17]3[N:14]([C:15](=[O:22])[C@@H:16]3[C@H:19]([OH:21])[CH3:20])[C:13]=2[C:23]([O:25]CC=C)=[O:24])[CH2:8]1)=O)C=C.[C:29]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C[CH:30]=1.C(OCC)(=O)CCCCC.[Na]>O1CCCC1.C(O)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH2:5]([N:7]1[CH2:11][CH2:10][CH:9]([C:12]2[CH2:18][C@H:17]3[N:14]([C:15](=[O:22])[C@@H:16]3[C@H:19]([OH:21])[CH3:20])[C:13]=2[C:23]([OH:25])=[O:24])[CH2:8]1)[CH:29]=[CH2:30]
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참가 물질

7

반응물 3

HCID 11776TriphenylphosphineHCID 15117368allyl (5R,6S)-3-(1-allyloxycarbonylpyrrolidin-3-yl)-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylateHCID 53628222Sodium 2-ethyl hexanoate

생성물 1

HCID 15117483(5R,6S)-3-[1-allylpyrrolidin-3-yl)-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid수율 267.5%

시약·촉매·용매 3

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 702Ethanol용매
HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of allyl (5R,6S)-3-(1-allyloxycarbonylpyrrolidin-3-yl)-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate (1.24 g) in a mixture of tetrahydrofuran (20 ml) and ethanol (5 ml) were added triphenylphosphine (0.16 g), sodium 2-ethyl hexanoate (1.1 g), and tetrakis(triphenylphosphine)palladium(0) (0.37 g). After stirring at ambient temperature for 1 hour, the reaction mixture was washed with dichloromethane, and evaporated in vacuo. The residue was chromatographed on nonionic adsorption resin "Dialon HP-20" eluting with a mixture of water and acetonitrile (95:5, V/V). The fractions containing the desired compound were collected and lyophilized to give (5R,6S)-3-[1-allylpyrrolidin-3-yl)-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid (500 mg).

후처리

  1. washthe reaction mixture was washed with dichloromethane
  2. customevaporated in vacuo
  3. customThe residue was chromatographed on nonionic adsorption resin "Dialon
  4. wash" eluting with a mixture of water and acetonitrile (95:5, V/V)
  5. additionThe fractions containing the desired compound
  6. customwere collected

출처 및 근거

ORD 기록
ord-a092a3902e304d97b9fe9a97c53d22b5
출처 데이터셋
uspto-grants-1992_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05102877

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