ISSN:
1434-4475
Keywords:
(2-Alkoxy-5-amino-imidazol-4-yl)-ketones
;
N-Cyano-S-methyl-isothioureases
;
(2.5-Di-amino-imidazol-4-yl)-ketones
;
α-Halogenketones
;
Oxazol-2-yliden-cyanamides
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Summary N-Cyano-S-methyl-isothio-ureases (1) react with α-halogen ketones (2) by ring closure yielding the (3H-oxazol-2-yliden)-cyanamides3. by ring transformation, 2-Alkoxy-5-amino-1-phenyl-3H-imidazol-4-yl)-ketones (4) are formed. Primary and secondary amines react with3 to give 2-N-alkylated (2,5-Diamino-1-phenyl-3H-imidazol-4-yl)-ketones.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00813797
Permalink