Novel Chiral Metallocenophanes Derived from [2.2]Paracyclophane and Their Use in Olefin Polymerization
✍ Scribed by Henning Hopf; Sethuraman Sankararaman; Ina Dix; Peter G. Jones; Helmut G. Alt; Andrea Licht
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 421 KB
- Volume
- 2002
- Category
- Article
- ISSN
- 1434-1948
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## Abstract The [4 + 2] cycloaddition of the double‐bond isomers (**__A__** and **__B__**) of dihydrophosphinine oxide **__1__** afforded novel phosphabicyclo[2.2.2]oct‐5‐ene derivates (**__2–4__**), formation of which was justified by PM3 semiempirical calculations. The compounds of dimer type (**
## Abstract In this study, 13 different chiral 1,3‐diamines were synthesized from (−)‐__cis__‐2‐benzamidocyclohexanecarboxylic acid. They were successfully applied as ligands in the Cu‐catalyzed asymmetric Henry reaction between benzaldehyde and nitromethane. It was confirmed that the enantioselect