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
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
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
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 ...
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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