Finiteness conditions for strictness analysis

Nielson, Flemming; Nielson, Hanne Riis

doi:10.1007/3-540-57264-3_41

Cited by 3 publications

(1 citation statement)

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“…One of these, the replacement of a metal-bound oxo-ligand upon reaction with an organic isocyanate is potentially attractive, since a wide range of isocyanates is commercially available, transition metal oxides are relatively common, and the by-product is CO 2 [2][3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Molybdenum(VI) imido complexes: formation of [Mo(NPh)(S2CNR2)3]X and [Mo(NPh)(S2CNR2)2(μ-MoO4)]2 (R = Me, Et) from the reaction of [MoO2(S2CNR2)2] and PhNCO under aerobic conditions

Hogarth

Richards

2009

Transition Met Chem

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Products from the thermolysis of PhNCO and [MoO 2 (S 2 CNR 2 ) 2 ] (R = Me, Et) are highly dependent upon the reaction conditions. When carried out in air, the major products are cations, [Mo(NPh)(S 2 CNR 2 ) 3 ] ? , as shown by a crystal structure of [Mo(NPh)(S 2 CNEt 2 ) 3 ] 2 [Mo 6 O 19 ]. Under rigorously anaerobic conditions, reaction of two equivalents of PhNCO with [MoO 2 (S 2 CNR 2 ) 2 ] affords [Mo(NPh) 2 -(S 2 CNR 2 ) 2 ] as the major product. However, chloroform solutions of the bis(imido) complexes hydrolyze in air to afford [Mo(NPh)(S 2 CNR 2 ) 2 (l-MoO 4 )] 2 , in which molybdate groups bridge between molybdenum(VI) imidobis(dithiocarbamate) centers. These results are placed in context of our earlier studies of these reactions that lead to the formation of oxo-disulfide [MoS 2 (NPh)(S 2 CNR 2 ) 2 ] and dimeric molybdenum(V) [MoO(l-NPh)(S 2 CNR 2 )] 2 complexes, thus allowing a full picture of these transformations to be established.

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