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Efficient Synthesis of Imidazole Derivatives: An Important Synthon for the Preparation of Biologically Active Compounds
Imidazole N-chlorosuccinimide chloroimidazole chloroimidazole-carboxaldehyde
2010/4/16
4(5)-Chloro-imidazole-5(4)-carboxaldehyde derivatives are important precursors for the preparation of biologically active compounds. We developed a simple, novel, and efficient method for the synthesi...
Behaviour of Salicylaldehyde and Some of Its Derivatives in the Biginelli Reaction for the Preparation of Aryl Tetrahydropyrimidines
Salicylaldehyde derivatives Biginelli reaction Michael addition
2010/4/16
Salicylaldehyde and some of its derivatives react with urea (or thiourea) and ethyl acetoacetate (the Biginelli reaction) to give products that depend on the type of the substituent in the ortho-posit...
A Convenient Method for the Preparation of 2-Aminobenzophenone Derivatives under Ultrasonic Irradiation
the Preparation 2-Aminobenzophenone
2010/4/19
A quick and convenient method for the preparation of 2-aminobenzophenone derivatives is described. This approach consists of the nucleophilic substitution reaction of nitrobenzenes by phenylacetonitri...