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Boron-Bridged Group-4 ansa-Metallocene Complexes

✍ Scribed by Pamela J. Shapiro


Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
357 KB
Volume
2001
Category
Article
ISSN
1434-1948

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ChemInform Abstract: Pauson—Khand Approa
✍ Robert B. Grossman 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 2 views

Pauson-Khand Approach to Chiral, Diastereomerically Pure Group 4 ansa-Metallocene Complexes. -Dienediynes (IIIa) and (IIIb), readily prepared from tosylates (I) by alkylation with lithioalkynes (II), are converted to diastereopure Pauson-Khand (P-K) products (V) by reaction with Co 2 (CO) 8 , where