The fungus, Mucor plumbeus, has been shown to hydroxylate 9 alpha- and 9 be
ta-hydroxy and 9-oxo-2 beta-methoxyclovane at C-6 and to reduce the 9-keton
e stereospecifically to afford the 9 beta-alcohol. (C) 1999 Elsevier Scienc
e Ltd. All rights reserved.