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Determination of Dihydroxyacetone and Glycerol in Fermentation Process by GC after n-Methylimidazole Catalyzed Acetylation

J Wu, MH Li, JP Lin… - Journal of chromatographic …, 2011 - ingentaconnect.com
A gas chromatographic method that accurately measures glycerol and dihydroxyacetone from
a fermentation broth is described in this paper. The method incorporates a sample derivatization
reaction using n-methylimidazole as catalyst in the presence of acetic anhydride. ...
Related articles - All 3 versions

Green, purple, blue—[Cu (N-Methylimidazole) n (OOCCH 3) 2] m, what is in a colour

O Kühl, S Millinghaus… - Central European Journal of Chemistry, 2011 - Springer
Back in 1832, Wöhler and Liebig for the first time observed that an organic compound, benzamide
as it was, apparently existed in two different crystal structures [1] that were distinguished by different
π-stacking interactions. Some 175 years later, three different structures had been found ...
Related articles - All 2 versions

Modulating the synthetase activity of penicillin G acylase in organic media by addition of N-methylimidazole: using vinyl acetate as activated acyl donor

B Liu, Q Wu, D Lv… - Journal of biotechnology, 2011 - Elsevier
This paper reported the modulation of enzyme activity by organic small molecule. The esterification
activity of Penicillin G acylase (PGA) was improved more than 70-fold by the addition of 10%
N-methylimidazole. Some control experiments have been designed to demonstrate the ...
All 3 versions

Well-defined NHC-Pd (II)-Im (NHC= N-heterocyclic carbene; Im= 1-methylimidazole) complexes catalyzed amination of aryl chlorides

L Zhu, TT Gao… - Tetrahedron, 2011 - Elsevier
Palladium-catalyzed C N cross-coupling reactions have become a versatile strategy for N-containing
compounds with biological, pharmaceutical, and materials interest. [1] , 1(a) , 1(b) , 1(c) , 1(d)
, 1(e) , 1(f) and 1(g) Since the initial amination reactions were reported, [2] , 2(a) , 2(b) and ...

Synthesis and evaluation of novel 2-butyl-4-chloro-1-methylimidazole embedded chalcones and pyrazoles as Angiotensin Converting Enzyme (ACE) inhibitors

S Kantevari, D Addla, PK Bagul, B Sridhar… - Bioorganic & Medicinal …, 2011 - Elsevier
A series of novel 2-butyl-4-chloro-1-methylimidazole embedded aryl and heteroaryl derived chalcones
and pyrazoles were synthesized and evaluated for their Angiotensin Converting Enzyme
(ACE) inhibitory activity. The condensation of 2-butyl-4-chloro-1-methylimidazole-5- ...

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