| abstract |
R 1 und R 2 unabhängig voneinander C 1 -C 6 -Alkyl, Aryl, Alkylaryl, R 1 außerdem Wasserstoff, A entweder R 1 odern B ein Brückenglied mit 1 - 5 C-Atomen zwischen den beidennP-Atomen bedeuten nsowie deren Verwendung als Katalysator in der asymmetrischen Synthese.Phospholanes and diphospholanes of the general formula I in which: R 1 and R 2 independently of one another C 1 -C 6 alkyl, aryl, alkylaryl, R 1 also hydrogen, A either R 1 or B represent a bridge member with 1-5 C atoms between the two P atoms and their use as a catalyst in asymmetric synthesis. |