2074
J. Org. Chem. 1987,52, 2074-2082
alyzed by LSC. After the appropriate fractions were collected, LSC showed 1.1 fiCi (31%) incorporation. The exo and endo pyrophosphates ([aH]-13-OPPand [%]-14-OPP) were incubated with kaurene synthetase, using the same procedure. After the column chromatographic separation, only negligible radioactivity (
