One-end nucleophilic addition of di- and triamines to Pt(IV)-coordinated nitriles as an entry to (amidine)Pt(IV) complexes bearing pendant NH(2)-groups
Resource
DALTON TRANSACTIONS, 39(19), 4619-4623
Journal
Dalton Transactions
Pages
4619
Date Issued
2010
Date
2010
Author(s)
Bokach, Nadezhda A.
Konovalova, Nina P.
Wang, Yu
Moskalenko, Yulia E.
Gribanov, Alexander V.
Kukushkin, Vadim Yu.
Abstract
The reactions of trans-[PtCl₄(RCN)₂] (R= Me, Et, CH₂Ph, Ph) with the diamines and the triamine NH₂{spacer}NH₂ (spacer = CH₂CH₂, CH(Me)CH₂, CH₂CH₂CH₂, CH₂CH₂CH₂CH₂, CH₂CH₂NHCH₂CH₂) in a molar ratio 1 : 2 produce trans-[PtCl₄{NH=C(R)NH{spacer}NH₂}₂] (spacer/R = CH₂CH₂/Et 1, CH₂CHMe/Et 2 (a mixture of regioisomers), CH₂CH₂CH₂/Et 3, CH₂CH₂CH₂CH₂/Et 4, CH₂CH₂/Me 5, CH₂CH₂/CH₂Ph 6, CH₂CH₂/Ph 7, CH₂CH₂NHCH₂CH₂/Et 8) with the monodentately coordinated amidine ligands having the pendant NH₂ groups. The complexes have been characterised by C, H, and N elemental analyses, ¹³C CP-MAS NMR and IR spectroscopy, (TOF)-ESI-MS, and [1·H₂](Pic)₂·EtOH also by X-ray diffraction.
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Type
journal article
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