Dicyclohexylcarbodiimide → HCID 86735862, compound
Reaction equation
[OH:1][CH2:2][CH2:3][NH:4][S:5]([C:8]1[CH:13]=[CH:12][C:11]([C:14]2[NH:15][C:16](=[O:23])[C:17](=[CH:21][CH:22]=2)[C:18]([OH:20])=[O:19])=[CH:10][CH:9]=1)(=[O:7])=[O:6].O[N:25]1[C:29](=[O:30])[CH2:28][CH2:27][C:26]1=[O:31].C1(N=C=NC2CCCCC2)CCCCC1>CN(C)C=O>[OH:1][CH2:2][CH2:3][NH:4][S:5]([C:8]1[CH:9]=[CH:10][C:11]([C:14]2[NH:15][C:16](=[O:23])[C:17](=[CH:21][CH:22]=2)[C:18]([O:20][N:25]2[C:29](=[O:30])[CH2:28][CH2:27][C:26]2=[O:31])=[O:19])=[CH:12][CH:13]=1)(=[O:7])=[O:6]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
From 3.8 g. of 6-[4-[(2-hydroxyethyl)aminosulfonyl]phenyl]-1,2-dihydro-2-oxonicotinic acid and 1.34 g. of N-hydroxysuccinimide in 60 ml. of dimethylformamide, and 2.56 g. of N,N'-dicyclohexylcarbodiimide in 5 ml. of dimethylformamide, following the procedure of a) above, there is obtained 6-[4-[(2-hydroxyethyl)aminosulfonyl]phenyl]-1,2-dihydro-2-oxonicotinic acid, 2,5-dioxo-1-pyrrolidinyl ester; m.p. 203.5°-205° C.
Sources & evidence
- ORD record
- ord-9db45802dfe24872b9830c44a560d01d
- Source dataset
- uspto-grants-1979_01
- Patent number
- US04137408
Reaction notes
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