An approach to chiral η4-butadiene-Fe(CO)3 complexes via diastereoselective complexation of nonracemic 2-alkoxy-4-vinyl-2,5-dihydrofuran derivatives
作者:Hans-Günther Schmalz、Erik Heßler、Jan W. Bats、Gerd Dürner
DOI:10.1016/s0040-4039(00)60723-2
日期:1994.6
Complexation of (+)-L-arabinose-derived 2-benzyloxy-4-vinyl-2,5-dihydrofuran derivatives (8) with Fe2(CO)9 in ether proceeds diastereoselectively providing a (separable) mixture of the corresponding exo- and endo-η4-diene-Fe(CO)3complexes 9 and 10 in a ratio of about 1 : 3. The relative (and absolute) configuration of the complexation products was determined by a combination of analytical methods