First examples of the synthesis of macroaluminahetero(N,S)cycles with the participation of metallo(Ti,Zr)cene catalysts
摘要:
An efficient method is developed for the selective synthesis of 4-aryl-2,6,8,11-tetraethyl-1,7-dithia-4-aza-2,6,8,11-tetraaluminacycloundecanes via the reaction of 3-aryl-1,5,3-dithiazepanes with EtAlCl2 involving the participation of a two-component catalyst based on Cp2TiCl2 and Cp2ZrCl2. (C) 2015 Elsevier Ltd. All rights reserved.
Synthesis of N-aryl-1,5,3-dithiazepanes and N-aryl-1,5,3-dithiazocanes in the presence of samarium- and cobalt-containing catalysts
摘要:
Efficient procedures were developed for the synthesis of N-aryl-1,5,3-dithiazepanes and N-aryl-1,5,3-dithiazocanes by cyclocondensation of anilines with formaldehyde and alpha,omega-dithiols (etane-1,2-dithiol and propane-1,3-dithiol), as well as by transamination of N-tert-butyl-1,5,3-dithiazepane or N-tert-butyl-1,5,3-dithiazocane with aromatic amines in the presence of samarium and cobalt complexes.
Synthesis of Dithiaza- and Dioxadithiazacycloalkanes by Cyclothiomethylation of Arylamines with Formaldehyde and α,ω-Dithiols
作者:Guzel R. Khabibullina、Ekaterina S. Fedotova、Ekaterina S. Meshcheryakova、Tatyana M. Buslaeva、Vnira R. Akhmetova、Askhat G. Ibragimov
DOI:10.1007/s10593-016-1975-7
日期:2016.10
New derivatives of 1,5,3-dithiazepanes and macroheterocycles were synthesized by a three-component cyclothiomethylation of arylamines with formaldehyde and alpha,omega-dithiols. The sorption properties of 3-phenyl-1,5,3-dithiazepane and 6-phenyl-1,11-dioxa-4,8-dithia-6-azacyclotridecane applicable for the extraction of Ag(I) and Pd(II) ions from nitric acid solutions at room temperature were studied by a static method.