Fd. Boyer et Jy. Lallemand, ENANTIOSELECTIVE SYNTHESES OF POLYHYDROXYLATED NORTROPANE DERIVATIVES- TOTAL SYNTHESIS OF (-CALYSTEGINE-B-2 AND (-)-CALYSTEGINE B-2()), Tetrahedron, 50(35), 1994, pp. 10443-10458
(+) and (-)-Calystegine B-2 were prepared from D-Glucose via Ferrier r
eaction followed by regiospecific ring enlargement of a polysubstitute
d cyclohexanone and intramolecular cyclisation of 4-aminocycloheptanon
e.