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(3S,4S)-4-Allyl-5-oxo-1-[(1R)-1-phenylethyl]-3-vinylpyrrolidine-3-carboxylic acid tert-butyl ester → [(1S,5S)-4-Oxo-3-[(1R)-1-phenylethyl]-3-azabicyclo[3.3.0]oct-7-en-1-yl]carboxylic acid tert-butyl ester

HRID 1917361
Notes
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Reaction equation

HRID 1917361 reaction equation
[C:1]([O:5][C:6]([C@@:8]1([CH:25]=C)[C@H:12]([CH2:13][CH:14]=C)[C:11](=[O:16])[N:10]([C@@H:17]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[CH3:18])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]>C1C=CC=CC=1.Cl[Ru](=C1N(C2C(C)=CC(C)=CC=2C)CCN1C1C(C)=CC(C)=CC=1C)(Cl)(=CC1C=CC=CC=1)[P](C1CCCCC1)(C1CCCCC1)C1CCCCC1>[C:1]([O:5][C:6]([C@@:8]12[CH:25]=[CH:14][CH2:13][C@@H:12]1[C:11](=[O:16])[N:10]([C@@H:17]([C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1)[CH3:18])[CH2:9]2)=[O:7])([CH3:4])([CH3:3])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 67490978(3S,4S)-4-Allyl-5-oxo-1-[(1R)-1-phenylethyl]-3-vinylpyrrolidine-3-carboxylic acid tert-butyl ester

Product 1

HCID 67490826[(1S,5S)-4-Oxo-3-[(1R)-1-phenylethyl]-3-azabicyclo[3.3.0]oct-7-en-1-yl]carboxylic acid tert-butyl esterYield 76.9%

Reagents, catalysts & solvents 2

HCID 178425456HCID 178425456, compoundCatalystHCID 241BenzeneSolvent

Procedure

(3S,4S)-4-Allyl-5-oxo-1-[(1R)-1-phenylethyl]-3-vinylpyrrolidine-3-carboxylic acid tert-butyl ester (130.0 mg, 0.37 mmol) was dissolved in benzene (8 mL). The second generation Grubbs' catalyst (31.0 mg, 0.04 mmol) was added, and the mixture was stirred at room temperature for two hours. The reaction solution was concentrated under reduced pressure, and the resulting residue was subjected to silica gel column chromatography (15% ethyl acetate/hexane) to give 93.2 mg of the title compound as a yellow oil.

Workup

  1. concentrationThe reaction solution was concentrated under reduced pressure

Sources & evidence

ORD record
ord-ef0ca84b1c4649b5ac186a4ba5809222
Source dataset
uspto-grants-2013_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08618094B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes