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Studies on the Rh and Ir mediated tandem Pauson–Khand reaction. A new entry into the dicyclopenta[a,d]cyclooctene ring system

✍ Scribed by Hui Cao; Sreenivasa R. Mundla; James M. Cook

Publisher
Elsevier Science
Year
2003
Tongue
French
Weight
137 KB
Volume
44
Category
Article
ISSN
0040-4039

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✦ Synopsis

Rh-mediated tandem Pauson-Khand reaction has been developed to provide the desired diastereomer 8a in a 7:1 ratio over the undesired isomer(s), and this has been converted into the [5.8.5] system 11 to provide a potential new route to the ophiobolins.

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The livinghouse catalytic approach to th
The livinghouse catalytic approach to the tandem Pauson-Khand reaction. Entry into the parent ring systems of dicyclopenta[a,f]pentalene and dicyclopenta[a,e]pentalene
✍ Scott G. Van Ornum; Michelle M. Bruendl; James M. Cook 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 111 KB

The first photochemically-mediated catalytic tandem Pauson-Khand reaction has permitted the preparative scale synthesis of the parent ring systems 4 and 6 of dicyclopenta[a,f]pentalene 1 and dicyclopenta[a,e]pentalene 2, respectively.