Hydroamination/Hydrosilylation Sequence Catalyzed by Titanium Complexes
β Scribed by Andreas Heutling; Frauke Pohlki; Igor Bytschkov; Sven Doye
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 318 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0044-8249
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π SIMILAR VOLUMES
The thiophosphinic amide 2 was prepared in 68 % yield by the reaction of 2,2-dimethyl-1,3-propanediamine with diisopropylchlorophosphine followed by the addition of sulfur. Attachment of the proligand 2 to zirconium was achieved by direct metalation with ZrA C H T U N G T R E N N U N G (NMe 2 ) 4 in
## Abstract For Abstract see ChemInform Abstract in Full Text.
## Abstract magnified image Chiral macrocyclic tetraβ and hexamine macrocycles derived from __trans__β1,2βdiaminocyclohexane (DACH) in complexes with diethylzinc efficiently catalyze the asymmetric hydrosilylation of aryl alkyl ketones with enantiomeric excess of the product up to 89%. The cyclic