Dicyclohexylcarbodiimide → HCID 66704443, compound

HRID 426055Notes

Reaction equation

HRID 426055 reaction equation
[C:1]([O:5][C:6]([N:8]([CH3:13])[CH2:9][C:10]([OH:12])=O)=[O:7])([CH3:4])([CH3:3])[CH3:2].[Cl:14][C:15]1[CH:16]=[C:17]([NH:21][CH2:22][CH2:23][C:24]#[N:25])[CH:18]=[CH:19][CH:20]=1.C1CCC(N=C=NC2CCCCC2)CC1>C(Cl)Cl.CN(C1C=CN=CC=1)C>[Cl:14][C:15]1[CH:16]=[C:17]([N:21]([CH2:22][CH2:23][C:24]#[N:25])[C:10](=[O:12])[CH2:9][N:8]([CH3:13])[C:6](=[O:7])[O:5][C:1]([CH3:2])([CH3:3])[CH3:4])[CH:18]=[CH:19][CH:20]=1

Participants

6

Reactant 3

HCID 10868DicyclohexylcarbodiimideHCID 83692Glycine, N-[(1,1-dimethylethoxy)carbonyl]-N-methyl-HCID 2875943-(3-Chloroanilino)propanenitrile

Product 1

HCID 66704443HCID 66704443, compoundYield 80%

Reagents, catalysts & solvents 2

HCID 142844-(Dimethylamino)pyridineCatalystHCID 6344DichloromethaneSolvent

Procedure

To a solution of 2-(tert-butoxycarbonyl(methyl)amino)acetic acid (1.05 g, 0.0056 mol) in CH2Cl2 at 0° C. under argon atmosphere was added DMAP (0.021 g), 3-(3-chlorophenylamino)propanenitrile (1 g, 0.0056 mol) and DCC (1.27 g, 0.0061 mol). The reaction mixture was allowed to stir at room temperature for 24 h. The resulting suspension was filtered, the filtrate concentrated under reduced pressure and the crude residue was subjected to silica gel chromatography to give the tert-butyl 2-((3-chlorophenyl)(2-cyanoethyl)amino)-2-oxoethyl(methyl)carbamate (1.2 g, 80%). 1H NMR (CDCl3) δ 1.45 (s, 9H), 2.7 (m, 2H), 2.85 (m, 2H), 3.6-3.75 (m, 2H), 3.9 (m, 2H), 7.1-7.3 (m, 2H), 7.4 (m, 2H).

Workup

  1. filtrationThe resulting suspension was filtered
  2. concentrationthe filtrate concentrated under reduced pressure

Sources & evidence

ORD record
ord-3a6c405978f94b97a73279a935127d47
Source dataset
uspto-grants-2012_01
Patent number
US08106221B2

Reaction notes

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