Double asymmetric aldol reactions using the boron enolates derived from 3-(3-ethyl)pentyl propanethiote and ethanethioate with (,)-2,5-dimethylborolanyl triflate
Synthese de l'acide (dihydroxy-5,7 dioxo-9,25ethyl-16 heptamethyl-2,4,6,12,18,22,24 methoxy-3) hexacosatriene-12,16,20oique par copulation de 3 synthons希罗