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- Title
Reaction of H<sub>2</sub>S with MoRu(CO)<sub>6</sub>(dppm)<sub>2</sub> to give H<sub>2</sub> and a bridged-sulfide product via hydrido-sulfhydryl intermediates (dppm = Ph<sub>2</sub>PCH<sub>2</sub>PPh<sub>2</sub>).
- Authors
Khorasani-Motlagh, Mozhgan; Safari, Nasser; Pamplin, Craig B.; Patrick, Brian O.; James, Brian R.
- Abstract
Oxidative addition of H2S to MoRu(CO)6(µ-dppm)2 (1) at ~20 °C in toluene yields an isolable complex formulated as Mo(CO)3(µ-SH)(µ-CO)(µ-dppm)2RuH(CO) (2) via the possible intermediate Mo(CO)3(µ-H)(µ-CO)(µ-dppm)2Ru(SH)(CO) (4) (dppm = Ph2PCH2PPh2) that is detectable at lower temperatures. Over 2 days, species 2 in toluene loses H2 (and CO) to yield the bridged-sulfide product, Mo(CO)2(µ-CO)(µ-S)(µ-dppm)2Ru(CO) (5) that is also formed directly from the reaction of 1 with elemental sulfur. The solid-state molecular structure of 5 is determined by X-ray crystallography. A further hydrido-sulfhydryl species, possibly Mo(CO)3(µ-SH)(µ-H)(µ-dppm)2Ru(CO)2 (3), is in equilibrium with 2 at ambient temperature.
- Subjects
MOLYBDENUM; RUTHENIUM; HYDROGEN sulfide; SULFIDES; X-ray crystallography
- Publication
Canadian Journal of Chemistry, 2006, Vol 84, Issue 2, p330
- ISSN
0008-4042
- Publication type
Article
- DOI
10.1139/V06-002