... Tetrahedron Lett., 32 (1991), pp. 765–766. -b P. Martres; Thése de Doctrat en SciencesUniversité d'Aix-Marseille III (7 juin 1991). 7; P. Martres, P. Perfetti, JP Zahra, B. Waegel, E. Giraudi, K. Petrizilka; French Patent Application no9105589; May 7th 1991. The same oxidation procedure has been used in a three step synthesis of Ambrox from sclareol. For a suggested mechanism see Tetrahedron Lett., 34 (1993), pp. 629–632. 8; ...