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4 September 2009 - Organic chemistry
The Wittig reaction discovered in 1954 by George Wittig couples ketones and aldehydes with phosponium ylides to alkenes. ....
15 September 2009 - Catalysis
Zeolites are microporous aluminosilicate minerals that can be used as catalysts. A substrate diffuses through the microc ....
18 September 2009 - for now
When epoxides are exposed to light or heat they can form carbonyl ylides in an electrocyclic ring-opening reaction. Some ....
18 September 2009 - Art
We all know youtube from the stupid-people videos, the nasty-accident videos and the pirated-movie-or-music video videos ....
24 September 2009 - News
It is that time of the year again: guessing who will be awarded the Nobel prize in Chemistry (edition 2009). Traditional ....
27 September 2009 - basics
DNA is a macromolecule that stores genetic information inside a cell. This molecule resembles a spiral staircase with r ....
29 September 2009 - catalysis
The two reactions depicted below have a lot in common: the substrate is an aryl halide or closely related triflate, the ....