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(η3-Allyl)(η4-butadiene)(η5-cyclopentadienyl)-zirconium, a System of Isomeric Monocyclopentadienylzirconium(II) Compounds

✍ Scribed by Priv.-Doz. Dr. Gerhard Erker; Klaus Berg; Prof. Dr. Carl Krüger; Dr. Gerhard Müller; Klaus Angermund; Dr. Reinhard Benn; Gerhard Schroth

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
253 KB
Volume
23
Category
Article
ISSN
0044-8249

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(η3-Allyl)(η4-butadien)(η5-cyclopentadie
(η3-Allyl)(η4-butadien)(η5-cyclopentadienyl)-zirconium, ein System isomerer Monocyclopentadienylzirconium(II)-Verbindungen
✍ Priv.-Doz. Dr. Gerhard Erker; Klaus Berg; Prof. Dr. Carl Krüger; Prof. Dr. Gerha 📂 Article 📅 1984 🏛 John Wiley and Sons 🌐 English ⚖ 246 KB 👁 1 views

Borgehalt (titrimetrisch nach oxidativer Probenaufbereitung): 1.79% (ber. ## 1. 98%). -2: 'H-NMR: 2.22 (s), 2.35 (s), 6.82 (5). 7.10-7.70 (m); IR: 512 und 530; MS: 648 (M+, 1.0%). 529 (M\*-119, 5.1%). 333 (34%), 259 (80%). 199 (63%), 119 (100%); Borgehalt: 1.64% (ber. 1.76%). -3: 'H-NMR: 7.10-7.70

Isomerization of Propargylic Alcohols in
Isomerization of Propargylic Alcohols into α,β-Unsaturated Carbonyl Compounds Catalyzed by the Sixteen-Electron Allyl-Ruthenium(II) Complex [Ru(η3-2-C3H4Me)(CO)(dppf)][SbF6]
✍ Victorio Cadierno; Sergio E. García-Garrido; José Gimeno 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 180 KB 👁 1 views

## Abstract The 16‐e^−^ (η^3^‐allyl)‐ruthenium(II) complex [Ru(η^3^‐2‐C~3~H~4~Me)(CO)(dppf)][SbF~6~] is an efficient catalyst for the regioselective isomerization of terminal propargylic alcohols HCCCR^1^R^2^(OH) into α,β‐unsaturated aldehydes R^1^R^2^CCHCHO or ketones R^3^R^4^CC(R^1^)COMe (if R