Catalyst-free autocatalyzedN-alkylation of heteroarylamines with alcohols is achieved by tautomerization-induced ready generation of carbonyl intermediates from alcoholsviaTM-free MPV–O reaction.
Efficient and versatile catalysis of N-alkylation of heterocyclic amines with alcohols and one-pot synthesis of 2-aryl substituted benzazoles with newly designed ruthenium(<scp>ii</scp>) complexes of PNS thiosemicarbazones
作者:Rangasamy Ramachandran、Govindan Prakash、Sellappan Selvamurugan、Periasamy Viswanathamurthi、Jan Grzegorz Malecki、Venkatachalam Ramkumar
DOI:10.1039/c4dt00006d
日期:——
or As, L = 2-(2-(diphenylphosphino)benzylidene) thiosemicarbazone (PNS-H), 2-(2-(diphenylphosphino)benzylidene)-N-methylthiosemicarbazone (PNS-Me), 2-(2-(diphenylphosphino)benzylidene)-N-phenylthiosemicarbazone (PNS-Ph)) have been synthesized and characterized by elemental analysis and spectroscopy (IR, UV-Vis, 1H, 13C, 31P-NMR) as well as ESI mass spectrometry. The molecular structures of complexes
Ruthenium(<scp>ii</scp>) complexes containing a phosphine-functionalized thiosemicarbazone ligand: synthesis, structures and catalytic C–N bond formation reactions via N-alkylation
作者:Rangasamy Ramachandran、Govindan Prakash、Sellappan Selvamurugan、Periasamy Viswanathamurthi、Jan Grzegorz Malecki、Wolfgang Linert、Alexey Gusev
DOI:10.1039/c4ra14797a
日期:——
We report the coordination flexibility of phosphino-thiosemicarbazone in ruthenium(ii) complexes, together with their catalytic properties with regards to N-alkylation.
我们报告了磷硫腙类配体在钌(II)配合物中的配位灵活性,以及它们在N-烷基化反应中的催化性能。
Novel Recyclable Catalysts for Selective Synthesis of Substituted Perimidines and Aminopyrimidines
作者:Bo Zhang、Jiahao Li、Haiyan Zhu、Xiao-Feng Xia、Dawei Wang
DOI:10.1007/s10562-022-04153-6
日期:——
It was accepted ligands played key role for selectivesynthesis and catalysis. A novel pyridinyltriazine skeleton ligand, the corresponding catalysts SBA-15@TZP-Ir and SBA-15@TZP-Ru were synthesized and fully characterized by modern methods. The resulting catalysts showed high catalytic activity in selectivesynthesis of useful substituted perimidines and aminopyrimidines in high yields. Additionally
Pyridinium N-(2′-Azinyl)Aminides: Regioselective Synthesis of 2-Alkylaminoazines
作者:Valentı́n Martı́nez-Barrasa、Francisca Delgado、Carolina Burgos、J. Luis Garcı́a-Navı́o、M. Luisa Izquierdo、Julio Alvarez-Builla
DOI:10.1016/s0040-4020(00)00084-3
日期:2000.4
The regioselective alkylation of pyridinium-N-(2'-azinil)aminides with alkyl halides under mild conditions is described. The alkylation, combined with a reduction of the N-N bond, allows an easy preparation of 2-alkylaminoazines. (C) 2000 Elsevier Science Ltd. AU rights reserved.