2016-08-242016-08-241995-08-15http://hdl.handle.net/10919/72839There are described improved processes for the synthesis of a desired lactone useful as a synthon, the improved processes comprising oxidizing a protected arene diol with permanganate and periodate or subjecting a substituted epoxydiol to periodate oxidation to yield the desired lactone.application/pdfen-USPatenthttp://pimg-fpiw.uspto.gov/fdd/79/420/054/0.pdf8060454549/306549/311C07D493/045442079