Exclusive formation of azo-compounds upon hydrogenolysis of nitrobenzeneseleninic acid derivatives over Pd/C

Three-component and one-pot synthesis of 3-aryl-2,4-diselenoxo-1,3,5-triazepane-6,7-diones

A simple, one-pot synthesis of six 3-aryl-2,4-diselenoxo-1,3,5-triazepane-6,7-diones has been achieved in moderate to good yields via a three-component condensation of variously substituted anilines, oxalyl chloride, and two molecules of potassium selenocyanate in acetone at room temperature.

Synthesis of N-(3-Methyl-4-Phenyl-3H-Selenazol-2-Ylidene)Benzamide Derivatives

A three-component and one-pot reaction between phenacyl bromide and aroyl isoselenocyanates in the presence of methylamine gave N-(3-methyl-4-phenyl-3 H-selenazol-2-ylidene)benzamide derivatives in good yields.

Synthesis of 2-Selanylidene-1,9A-Dihydro-2H-Pyrido[1,2-A]Pyrimidine Derivatives

The reactive intermediate produced in the reaction between pyridines and acetylenic esters was trapped by aryl isoselenocyanates to afford 2-selanylidene-1,9a-dihydro-2H-pyrido[1,2-a]pyrimidine derivatives in good yields.

Three-Component Reaction between Isonicotinohydrazide, Potassium Selenocyanate and Aroyl Chlorides: Synthesis of 1,2,4-Triazole-3-Selones

A one-pot method for the synthesis of six novel 1,2,4-triazole-3-selones in excellent yields at room temperature has been achieved via reaction between potassium selenocyanate and an aroyl chloride followed by the addition of isonicotinohydrazide.

Synthesis of 5-Aryl-1,3-Dimethyl-7-Selenoxopyrimidino[4,5-d]Pyrimidine-2,4(1H,3H)-Dione

A one-pot method for the synthesis of six novel 5-aryl-1,3-dimethyl-7-selenoxopyrimidino[4,5- d]pyrimidine-2,4(1 H,3 H)-diones in excellent yields at room temperature has been achieved via reaction between potassium selenocyanate and an aroyl chloride followed by the addition of 6-amino- N,N′-dimethyluracil.

Synthesis of 4-aryl-1,3,4a-Triazaphenanthrene-2-Selones via Three-Component Condensation of Quinolin-2-Amine, Potassium Selenocyanate and an Acyl Chloride

A three-component reaction between quinolin-2-amine, potassium selenocyanate and variously substituted benzoyl chlorides in acetone at room temperature provided a simple and efficient one-pot route for the synthesis of six 4-aryl-1,3,4a-triazaphenanthrene-2-selones in good yields.

Synthesis of 1-aryl-2,4,10a-Triazaphenanthrene-3-Selones Via a Three-Component Condensation of Isoquinolin-1-Amine, Potassium Selenocyanate and an Acyl Chloride

A simple, one-pot synthesis of six 1-aryl-2,4,10a-triazaphenanthrene-3-selones has been achieved with moderate to good yields via a three-component condensation of isoquinolin-1-amine, potassium selenocyanate and variously substituted benzoyl chlorides in acetone at room temperature.

Synthesis of 1,2,4-triazole-3-selenones via three-component reaction between benzohydrazide, potassium selenocyanate and acyl chlorides under solvent-free conditions

A green and efficient synthesis of 1,2,4-triazole-3-selenones has been achieved via a three-component, one-pot condensation of benzohydrazide, potassium selenocyanate and acyl chlorides under solvent-free conditions at ambient temperature with good yields.

Synthesis of 4-selenylidene-4H,5H-chromeno[3,4-e][1,3]oxazin-5-one

A green and efficient synthesis of [1,3]oxazines has been achieved via a three-component, one-pot condensation of 4-hydroxycoumarin, potassium selenocyanate and acyl chlorides in the presence of N-methylimidazole under solvent-free conditions at ambient temperature.