55654-18-7Relevant academic research and scientific papers
Nitrile Hydration Reaction Using Copper Iodide/Cesium Carbonate/DBU in Nitromethane-Water
Kuwabara, Jun,Sawada, Yoshiharu,Yoshimatsu, Mitsuhiro
supporting information, p. 2061 - 2065 (2018/09/14)
The catalytic nitrile hydration (amide formation) in a copper iodide/cesium carbonate/1,8-diazabicyclo[5.4.0]undec-7-ene/nitromethane-water system is described. The protocol is robust and reliable; it can be applied to a broad range of substrates with high chemoselectivity.
Discovery of new hit-molecules targeting Plasmodium falciparum through a global SAR study of the 4-substituted-2-trichloromethylquinazoline antiplasmodial scaffold
Desroches, Justine,Kieffer, Charline,Primas, Nicolas,Hutter, Sébastien,Gellis, Armand,El-Kashef, Hussein,Rathelot, Pascal,Verhaeghe, Pierre,Azas, Nadine,Vanelle, Patrice
, p. 68 - 86 (2016/09/21)
From 4 antiplasmodial hit-molecules identified in 2-trichloromethylquinazoline series, we conducted a global Structure-Activity relationship (SAR) study involving 26 compounds and covering 5 molecular regions (I – V), aiming at defining the corresponding
Copper-catalyzed oxidative ring closure of ortho-cyanoanilides with hypervalent iodonium salts: Arylation-ring closure approach to iminobenzoxazines
Aradi, Klra,Novk, Zoltn
supporting information, p. 371 - 376 (2015/03/05)
A novel, highly modular synthetic methodology with high functional group tolerance was developed for the construction of iminobenzoxazine derivatives from ortho-cyanoanilides and diaryliodonium triflates via an oxidative arylation-cyclization path. The reaction is supposed to involve the formation of highly active aryl-copper(III) species. In this novel transformation, copper(II) triflate was used as catalyst in 1,2-dichloroethane or ethyl acetate and the reaction takes place at 75 °C in 2-16 h.
Synthesis of novel 5-chlorinated 2-aminothiophenes using 2,5-dimethylpyrrole as an amine protecting group
Puterova, Zita,Bobula, Tomas,Vegh, Daniel
, p. 201 - 207 (2008/09/18)
(Chemical Equation Presented) A new synthetic methodology towards substituted 2-amino-5-chlorothiophenes is described. Compounds of this type are important as building blocks for oligomers used in polymer research. Easily available 2-aminothiophenes underwent Paal-Knorr reaction to protect the free amino group before electrophilic substitution. Although the chlorination was predicted to proceed at the thiophene ring, only free positions of 2,5-dimethylpyrrole were substituted. To direct chlorination to the thiophene ring acetamido derivative was prepared first and then chlorinated. Transamination with hexane-2,5-dione created a 2,5-dimethyl pyrrole ring from the acetamido group. In the final step, after treatment with hydroxylamine dihydrochloride, the pyrrole ring is removed and a free amino group is regenerated.
Novel Compounds
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, (2008/06/13)
The invention relates to heteroaromatic carboxamides of formula (I), wherein A, R1, R2 and X are as defined in the specification, processes and intermediates used in their preparation, pharmaceutical compositions containing them and their use in therapy.
