Archive for the 'preparative' Category

Alles [auf] Zucker!

Published by merkwuerden November 24th, 2007 in biopolymers, polymer classes, preparative, science link and technologies. 0 Comments

The title off a german 2004 comedy about a disgrunteld jewish journalist actually lines out german chemist Peter Seebergers work on glycane chemistry at ETH Zürich. While the movie is bristling with witty fast-paced dialogue, Seeberger took a lesson from Merrifield and managed to build the worlds first automated polyglycane synthesizer bringing a faster pace […]

Polymerizing the unpolymerizable

Published by kayesdee January 12th, 2007 in future technology and preparative. 0 Comments

According to Washburn et al. polymers from 1,2-disubstituted ethylenes with substituting groups larger than methyl groups are now polymerizable, just as thermodynamics would expect, just not in large amounts (yet).

ISEM - immediate solvent evaporation method

Published by kayesdee January 6th, 2007 in literature and preparative. 3 Comments

Just a quick link: Over at the chem blog there is a post about doing reactions in a rotovap, increasing reaction speed caused by evaporation of solvents. Kyle posts a creative way to hack his lab’s rotovap for this. The original article on this new method (hey, it is actually a 21st century preparatory synthetic method!) […]

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