2008 November - 9 articles
Recentely, Rubat et al. [1] synthesized a series of products by alkylation of pyridazines, the authors showed that these products are good analgesics and have a low toxicity.[...]
Stem bark of Phoebe lanceolata was extracted with ethanol and fractionated with ethyl acetate yielded soluble and insoluble fractions. Ethyl acetate insoluble fraction was subjected to column chromatography afforded two oxalyl-fused didehydroaporphin...
A new Schiff base 4-[(pyridin-3-ylmethylene)amino]phenyldodecanoate was synthesized via Steglich esterification. IR, 1H NMR, 13C NMR and MS spectroscopic data are presented.
Benzoylthioureas have found some interest due to their biological activity [1], spectroscopic and structural properties [2,3], or as synthetic building blocks [4].[...]
We recently reported the asymmetric synthesis of the two title compounds without the configurational assignments of the newly formed chiral spirocarbons. We now wish to report that both compounds have a (R)-configuration at the spirocarbon based on 1...
A calixarene is a macrocycle or cyclic oligomer based on a condensation product of a phenol and an aldehyde [1].[...]
In this paper, we describe a facile and efficient method to prepare compound 2, which had been previously obtained by a Vilsmeier reaction using DMF/POCl3 [1].[...]
In this study, a fast and good yield one-pot microwave-assisted synthesis (45 seconds) of 1H-phenanthro[9,10-d][1,2,3]triazole by a 1,3-dipolar cycloaddition reaction of sodium azide and 9-bromophenanthrene in the presence of potassium tert-butoxide...
In connection with our investigation of the competitive mesolytic cleavages [1] of radical anions we have prepared several symmetrically substituted 2,7-bis(halomethyl)naphthalene derivatives.[...]
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