
TY  - JOUR
A1  - Prager, RH 
A1  - Tsopelas, C 
T1  - Approaches to the Synthesis of 5-Benzylidene-2-imidazolin-4-ones
JF  - Australian Journal of Chemistry
JO  - Aust. J. Chem.
Y1  - 1990
VL  - 43
IS  - 2
SP  - 367
EP  - 374
KW  - 
UR  - https://doi.org/10.1071/CH9900367 
N2  - Aromatic aldehydes , but not ketones, can be condensed with glycocyamidine . The corresponding alkylbenzylideneglycocyamidines may be made from glycidic esters by reaction with guanidine, followed by cyclization with acetic anhydride. A number of mono- and di -acetylated derivatives of 6,7-dihydropyrrolo[2,3-c]azepine-4,8(1H,5H)- dione have been prepared, but failed to undergo the Darzens reaction. Bromo- and iodo-2-arylazoimidazoles, protected on nitrogen by the methoxyethoxymethyl group, failed to undergo clean lithiation. 
ER  -

