CARBOHYDRATE-LIKE CHIRAL SYNTHONS. PREPARATION OF (R) γ-HEXENOLIDE, (5R,6S,7S) 6,7-ISOPROPYLIDENDIOXY-δ-OCTANOLIDE AND (+)-EXOBREVICOMIN FROM (2S,3S,4R) 2,3-ISOPROPYLIDENDIOXY-4-BENZYLOXYHEPT-6-ENE

Article abstract of DOI:10.1016/S0040-4039(00)94526-X

The C₆, C₇, C₈ and C₉ chiral products (8), (7), (14) and (19), containing one, two and three oxygen-substituted chiral centres, respectively, have been prepared from the carbohydrate-like optically active, C