From: Synthesis and antiulcer activity evaluation of conjugates of amino acids with N-aroyl- N, N'-dicyclohexyl urea
No
Solvent
Base
Time (h)
Yield (%)
1
MeOH
K2CO3
9
63
2
TEA
8
76
3
KOH
50
4
THF
43
5
48
6
10
35
7
Acetonitrile
28
22