26823-24-5Relevant articles and documents
KINETICS OF CYCLIZATION OF 1-PHENYL-3-(1,2-DIMETHYL-3-OXO-1-BUTENYL)UREA AND ETHYL 2-METHYL-3-N-(N'-PHENYLUREIDO)-2-BUTENOATE
Kavalek, Jaromir,Hruska, Jiri,Sterba, Vojeslav
, p. 518 - 522 (2007/10/02)
1-Phenyl-3-(1,2-dimethyl-3-oxo-1-butenyl)urea (III) has been prepared by reaction of phenyl isocyanate with 4-amino-3-methyl-3-penten-2-one (I).Ethyl 2-methyl-3-N-(N'-phenylureido)-2-butenoate (V) has been prepared by analogous reaction with ethyl 3-amino