Jin-Xian Wang

A RAPID AND EFFICIENT SYNTHESIS OF SYMMETRICAL DISULFIDES UNDER MICROWAVE IRRADIATION CONDITIONS

ABSTRACT A rapid and general method for the synthesis of symmetrical disulfides involves reaction of sulfur with sodium hydroxide under PTC-microwave irradiation condition to give sodium disulfide, which reacts with alkyl halides to afford the disulfides in good to excellent isolated yields.

Synthesis of Aromatic Ethers Without Organic Solvent and Inorganic Carrier under Microwave Irradiation

Abstract A simple, repid and efficient procedure for the synthesis of aromatic ethers via microwave irradiation without any organic solvent and inorganic carrier is reported.

PALLADIUM AND PHASE TRANSFER CATALYZED HECK CROSS COUPLING REACTION IN WATER UNDER MICROWAVE IRRADIATION

ABSTRACT Palladium-catalyzed vinylation of aryl halides in water without organic cosolvent via microwave irradiation under phase transfer conditions gives the trans-stilbenes and substituted trans-cinnamic acid in good to high yield.

Microwave-promoted palladium catalysed Heck cross coupling reaction in water

Palladium-catalysed vinylation of aryl halides in water without org anic cosolvent via microwave irradiation under phase transfer conditions to give the trans-stilbenes and substituted trans-cinnamic acid in good to high yield.

Synthesis of 8-Quinolinyl Ethers Under Microwave Irradiation

Abstract A simple rapid and efficient procedure for the synthesis of 8-quinolinyl ethers via microwave irradiation is reported.

Microwave-Assisted Synthesis of Quinoxalines in PEG-400

Abstract A rapid and efficient procedure for the synthesis of quinoxaline derivatives has been achieved by condensation of aryl-1,2-diamines with 1,2-dicarbonyl compounds catalyzed by polyethylene glycol under CEM-focused microwave-irradiation conditions.

SYNTHESIS OF BIS(SUBSTITUTED BENZYLIDENE)CYCLOALKANONE USING SUPPORTED REAGENTS AND MICROWAVE IRRADIATION

ABSTRACT Condensation of cycloalkanone with aromatic aldehyde and furfural using supported reagents to prepare bis(substituted benzylidene or furfurylidene)cycloalkanone in excellent yields under microwave irradiation.

Microwave-assisted copper catalyzed coupling reaction of aryl halides with terminal alkynes

ABSTRACT Coupling reaction of aryl halides with terminal alkynes using catalyst system of copper (I)-triphenylphosphine proceeds efficiently in the presence of potassium carbonate under microwave irradiation to give the corresponding unsymmetrical acetylenes in good yield.

A NEW SOLVENT-FREE SYNTHESIS OF α,β-UNSATURATED KETONES FROM ACETALS WITH ARYL KETONES UNDER MICROWAVE IRRADIATION

ABSTRACT A new, rapid and efficient method for the synthesis of α,β-unsaturated ketones under microwave irradiation conditions is described. The process involves the reaction of acetals with aryl ketones in the absence of solvent using Lewis acids as catalysts under microwave irradiation to afford the α,β-unsaturated ketones in good to excellent isolated yields. The reaction mechanism is briefly discussed.

A Facile Method for the Syntheses of Dialkyl Disulfides from Sulfur Under Phase Transfer Conditions

Abstract A convenient reaction of alkyl halides with sulfur in alkaline medium has been found to afford disulfides in good to excellent isolated yield under phase transfer conditions.