نتایج جستجو برای: 2 ،5
تعداد نتایج: 3161438 فیلتر نتایج به سال:
5-Acetoxymethyl- and 5-hydroxymethyl-2-vinylfuran were synthesized by two routes. The first route starts from 2-methylfuran and the second from furfuryl acetate. The latter route, involving successive Vilsmeier-Haack and Wittig reactions, is suitable for producing 5-acetoxymethyl-2-vinylfuran and 5-hydroxymethyl-2 vinylfuran in 68% and 60%yields, respectively.
the leishmaniasis is a zoonotic disease that remains a severe public health problem and its burden is increasing. by now there is no anti-leishmaniasis vaccine and as other tripanosomial disease, is treated by limited drugs. first line drug includes pentavalent antimony such as sodium stibogluconat and meglumine antimoniate that use of these drugs is limited due to side effects, long term treat...
The asymmetric unit of the title compound, Contains two independent molecules. The Cu atoms are four coordinated in distorted tetrahedral configuration by two atoms from 5,5`-dimethyl-2,2`- bipyridine and two terminal atoms. In the Cuystal structure, inter molecular hydrogen bonds link the molecules. The are contacts between the methyl groups and the pyridine and five member rings containing ...
BACKGROUND Replication-independent active/enzymatic demethylation may be an important process in the functioning of somatic cells. The most plausible mechanisms of active 5-methylcytosine demethylation, leading to activation of previously silenced genes, involve ten-eleven translocation (TET) proteins that participate in oxidation of 5-methylcytosine to 5-hydroxymethylcytosine which can be furt...
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