Regioselective halogenations and Suzuki reactions ensure proper linkage of the aromatic rings in two total syntheses of terprenin (1). Both routes make it possible to prepare 1 efficiently and in large quantity.
Keywords: Cross-coupling; Immunosuppressants; Natural products; Terprenin; Total synthesis.
© 1998 WILEY-VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany.