The dissymmetrical chiral bidentate (
R)-(+)-1-(diphenylphosphino)-2-(diphenylarsino)propane was prepared stereoselectively via the novel asymmetric hydroarsination reaction bet
ween diphenylarsine and diphenyl-1-propenyl-(
E)-phosphine using di-
![](/images/entities/mgr.gif)
-chlorobis{(
S)-1-[1-(dimethylamino)ethyl]-2-naphthalenyl-
C,
N}dipalladium(II) as the chiral reactionpromoter.