1,5-Asymmetric inductions in the reactions of 2-(2',3',4',6'-tetra-O-acetyl-β-D-glucopyranosyloxy)benzaldehyde with Danishefsky's diene

Article abstract of DOI:10.1016/0040-4039(95)01795-J

The title compounds react to give mainly a 9:1 mixture of the aldols 14 and 15 in THF in the presence of BF_3.OEt₂, a 6:1 mixture of the cycloadducts 16 and 17 in THF in the presence of ZnCl₂, and a 1:3 mixture of the cycloadducts 16 and 17 in toluene in the presence of Eu(fod)₃.