U. Hugger et Kb. Sharpless, ASYMMETRIC DIHYDROXYLATION AFFORDS ENANTIOMERICALLY PURE C-12 BUILDING-BLOCKS FROM TRANS,TRANS,CIS-1,5,9-CYCLODODECATRIENE, Tetrahedron letters, 36(37), 1995, pp. 6603-6606
Through sequential catalytic asymmetric dihydroxylation (AD), t,t,c-1,
5,9-cyclododecatriene is transformed into functionalized cyclic cis-ol
efins with high enantio- and diastereocontrol. To demonstrate their sy
nthetic utility as sources for open chain C-12 building blocks, one su
ch intermediate is convened into an a,alpha,omega-diester in which the
chain ends are differentiated.