abstract |
A protected two-functional-group-containing terpenoid having the general formula: <IMAGE> in which n is an integer of from 1 to 5, R represents a hydroxymethyl, formyl or carboxyl group, and A represents a 2-tetrahydropyranyl, benzyl, methoxymethyl or methoxyethoxymethyl group, and a process for preparing it comprising oxidation with a microorganism belonging to the genus Nocardia. The terpenoids are useful as intermediates. |