Scheme 2. Synthesis of α-d-/l-Rhamnose 18 and 6 and α-d-/l-Amicetose 4 and 7 Digitoxin Analogues.
Reagents: NMO, N-methylmorpholine-N-oxide; NBSH, o-nitrobenzenesulfonylhydrazide; and NMM, N-methylmorpholine.
Reagents: NMO, N-methylmorpholine-N-oxide; NBSH, o-nitrobenzenesulfonylhydrazide; and NMM, N-methylmorpholine.