Efficient ortho-formylation in vitamin E series, application to the semi-synthesis of natural 5-and 7-formyl-delta-tocotrienols revealing an unprecedented 5-bromo-7-formyl exchange
XX
BSO - Titre
Efficient ortho -formylation in vitamin E series, application to the semi-synthesis of natural 5- and 7-formyl-δ-tocotrienols revealing an unprecedented 5-bromo-7-formyl exchange