Stereoselective complexing of the prokiralities aromatic compounds. III - A new synthesis method for the optically pure chromotricarbonyl complexes with ortho-substituted phenyl alkenes
Si. Rosca et al., Stereoselective complexing of the prokiralities aromatic compounds. III - A new synthesis method for the optically pure chromotricarbonyl complexes with ortho-substituted phenyl alkenes, REV CHIM, 52(4), 2001, pp. 171-176
A new synthesis for tricarbonyl-chromium complexes of 2,5-dimethylphenyleth
ene, 1-(2,5-dimethylphenyl)propene and 1-(2,5-dimethylphenyl)isobutene is d
escribed. The procedure consists in a diastereoselective complexation of co
rresponding carbinols or their acetates folio wed by an acid catalysed elim
ination reaction. Starting from optically active reagent, this method provi
des a convenient route to optically pr,re 1-arylalkene complexes.