Benzyl chloroformate → HCID 67315607, compound
Reaction equation
[O:1]=[C:2]1[NH:6][C@@H:5]([C:7]([O:9][CH2:10][CH3:11])=[O:8])[CH2:4][CH2:3]1.Cl[C:13]([O:15][CH2:16][C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1)=[O:14]>C1COCC1>[O:1]=[C:2]1[N:6]([C:13]([O:15][CH2:16][C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)=[O:14])[C@@H:5]([C:7]([O:9][CH2:10][CH3:11])=[O:8])[CH2:4][CH2:3]1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
9.1 Reaction of 1.0 g of ethyl(R)-5-oxopyrrolidine-2-carboxylate, 949.8 μl of benzyl chloroformate, 6.9 ml of bis(trimethylsilyl)lithium amide (in THF) in 25 ml of THF under standard conditions and work-up gives 730 mg of ethyl(R)-5-oxo-N-benzyloxycarbonylpyrrolidine-2-carboxylate (“17”).
Sources & evidence
- ORD record
- ord-a65930fc04e24caa890b77a73a1bab32
- Source dataset
- uspto-grants-2011_07
- Patent number
- US07977343B2
Reaction notes
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