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RuCo2(CO)11 and Ru2Co2(CO)13, Two New “Pure” Carbonylmetal Clusters

✍ Scribed by Dipl.-Chem. Eckehart Roland; Prof. Dr. Heinrich Vahrenkamp

Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
226 KB
Volume
20
Category
Article
ISSN
0044-8249

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✦ Synopsis

If a molar ratio of 1 : 1 is used, then the stable fluorosilanol (2) is formed in high yieldsL4'. At room temperature it forms colorless, readily sublimable crystals.

(2) reacts quantitatively with tert-butyllithium with cleavage of isobutane to give the unexpected stable lithium di-tert-butylfluorosilanolate (3)lS1, which melts at 238 "C with partial decomposition.

As the reaction of (3) with tert-butyl(difluoro)phenylsilane (4) to give unsymmetrically substituted (5) demon-stratesf6], lithium fluorosilanolates are valuable building blocks for the synthesis of siloxanes.

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Tri- and Tetranuclear Mixed-Metal Clusters Containing Alkyne Ligands: Synthesis and Structure of [Ru3Ir(CO)11(RCCR′)]−, [Ru2Ir(CO)9(RCCR′)]−, and [HRu2Ir(CO)9(RCCR′)]
✍ Vincent Ferrand; Georg Süss-Fink; Antonia Neels; Helen Stoeckli-Evans 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 406 KB 👁 1 views

The tetrahedral cluster anion [Ru 3 Ir(CO) 13 ] -(1) reacts with neutral hydrido clusters [HRu 2 Ir(CO) 9 (RCϵCRЈ)] (10: R = RЈ = Ph; 11: R = RЈ = Et; 12: R = Ph; RЈ = Me; 13: R = RЈ = Me). internal alkynes RCϵCRЈ to afford the alkyne derivatives [Ru 3 Ir(CO) 11 (RCCRЈ)] -(2: R = RЈ = Ph; 3: R = RЈ