Tetrahedron Letters p. 4591 - 4594 (1994)
Update date:2022-08-03
Topics:
Hosoya, Takamitsu
Takashiro, Eiji
Matsumoto, Takashi
Suzuki, Keisuke
A concise total synthesis of BE-12406 A (3a) was achieved. The key step was the selective O-glycosylation of naphthol 4 with L-rhamnopyranosyl fluoride 5, employing Cp2HfCl2-AgClO4 in fluorobenzene at -20°C in the presence of a hindered base 9, affording O-glycoside 8 in good yield.
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