Reaction equation
[CH2:1]([NH:9][NH2:10])[CH2:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.O=[C:12]([CH2:18][C:19](=O)[CH3:20])[C:13]([O:15][CH2:16][CH3:17])=[O:14]>C(Cl)Cl>[CH3:20][C:19]1[N:9]([CH2:1][CH2:2][C:3]2[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=2)[N:10]=[C:12]([C:13]([O:15][CH2:16][CH3:17])=[O:14])[CH:18]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
The title compound was prepared from phenethyl hydrazine (3.92 g, 0.029M)(obtained by the method of J. H. Biel U.S. Pat. No. 3,000,903) and ethyl 2,4-dioxovalerate (4.55 g, 0.029M) as described in Example 1, Preparation 1 as a yellow oil (3.84 g, 52%); νmax (CH2Cl2) 1720 cm-1 ;
Workup
- customobtained by the method of J
Sources & evidence
- ORD record
- ord-5284b217ab9f479ba2486466260bd624
- Source dataset
- uspto-grants-1997_03
- Patent number
- US05612477
Linked notes
Loading…