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Showing posts with label Green Chemistry. Show all posts
Showing posts with label Green Chemistry. Show all posts

Thursday, May 30, 2013

Monday, May 20, 2013

A Warning to Beer Drinkers!!

A Warning to Beer Drinkers
Recent research report found that, arsenic has been added in the beer filtration process. It is known that, In 2008, Italian beer withhold high level of arsenic. It is very important to note that, arsenic is highly dangerous element to the human beings.
To read the full article : Click Here 
Another Original Article: Arsenic, Cadmium and Lead in Beers from the Italian Market


Wednesday, July 25, 2012

A simple and facile Heck-type arylation of alkenes with diaryliodonium salts using magnetically recoverable Pd-catalyst


The Heck-type arylation of alkenes was achieved in aqueous polyethylene glycol using a magnetically recoverable heterogenized palladium catalyst employing diaryliodonium salts under ambient conditions. The benign reaction medium and the stability of the catalyst are the salient features of this simple and facile protocol.


Graphical abstract: A simple and facile Heck-type arylation of alkenes with diaryliodonium salts using magnetically recoverable Pd-catalyst


Wednesday, March 28, 2012

CeO2-catalysed one-pot selective synthesis of esters from nitriles and alcohols

Graphical abstract: CeO2-catalysed one-pot selective synthesis of esters from nitriles and alcohols

Green Chem., 2012, 14, 984-991

Copper-catalyzed highly efficient aerobic oxidative synthesis of imines from alcohols and amines

Graphical abstract: Copper-catalyzed highly efficient aerobic oxidative synthesis of imines from alcohols and amines

A highly efficient and green tandem imine synthesis from alcohol and amine with molecular oxygen as oxidant was achieved by using a remarkable low catalyst-loading, with a commercially available and environmentally benign copper catalyst.

Friday, February 3, 2012

Cobalt catalysts for the coupling of CO2 and epoxides to provide polycarbonates and cyclic carbonates

Graphical abstract: Cobalt catalysts for the coupling of CO2 and epoxides to provide polycarbonates and cyclic carbonates

This comprehensive tutorial review focuses on well-defined cobalt complexes that serve as homogeneous catalysts for the production of polycarbonates and cyclic carbonates from the coupling of carbon dioxide and epoxides. Special considerations are given to the mechanistic pathways involved in these processes.

Green chemistry oriented organic synthesis in water


The use of water as solvent features many benefits such as improving reactivities and selectivities, simplifying the workup procedures, enabling the recycling of the catalyst and allowing mild reaction conditions and protecting-group free synthesis in addition to being benign itself. In addition, exploring organic chemistry in water can lead to uncommon reactivities and selectivities complementing the organic chemists' synthetic toolbox in organic solvents. Studying chemistry in water also allows insight to be gained into Nature's way of chemical synthesis. However, using water as solvent is not always green. This tutorial reviewbriefly discusses organic synthesis in water with a Green Chemistry perspective.

Graphical abstract: Green chemistry oriented organic synthesis in water

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