... FeCl 3-CATALYZED OXYGENATION OF 2-HALOCYCLOHEXANONES TO ADIPIC ACID DIESTERS Satoru Ito, Kazuhisa Aihara, and Masakatsu Matsumoto* Saganti Chemical Research Center Nishi-Ohnuma 4-4-1, Sagamihara, Kanagawa 229, Japan Summary ... 4. Ito, S.; Matsumoto, MJ Org. ... a little selectivity of 5/ 6. 9. The reaction yielding 5 does not proceed through the cyclohexenone 6; in the present oxidation system, 6 was not converted into the diester 5 ...