Dalton Transactions

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Protonolysis and thermolysis reactions of functionalised NHC-carbene boranes and borates

12 October, 2014 - 17:54

Dalton Trans., 2014, 43,15419-15428
DOI: 10.1039/C4DT01464B, PaperPolly L. Arnold, Nicola L. Bell, Isobel H. Marr, Siyi She, Jonathan Hamilton, Craig Fraser, Kai Wang
[small beta]-ketoimidazol(in)ium salts show contrasting reactivity with MHBEt3 due to subtle electronic and steric differences. Thermolysis of the chiral [small beta]-borate imidazolium salts formed from these reactions results in alkane elimination in the first example of organic borates functioning as Bronsted bases.
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Formation of bis(2-pyridylcarbonyl)aminate by oxidation of ethylbis(2-pyridylmethyl)amine on the trichloridoruthenium(III) complex

12 October, 2014 - 17:54

Dalton Trans., 2014, 43,15391-15397
DOI: 10.1039/C4DT01842G, PaperHirotaka Nagao, Naoto Shimura, Haruka Yonezawa
Oxidation of the facial-type trichloridoruthenium(III) complex bearing ethylbis(2-pyridylmethyl)amine (ebpma), fac-[RuIIICl3(ebpma)], with (NH4)2[CeIV(NO3)6] in acetonitrile afforded a ruthenium(III) complex having bis(2-pyridylcarbonyl)aminato (bpca), [RuIIICl2(NCCH3)(bpca)]. The bpca moiety showed interactions with cations such as protons.
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