Patent ID: 7671204

Claim:
A process comprising: preparing a compound of Formula 2 from a compound of Formula 1 according to the following reaction scheme: wherein: R 1 is selected from the group consisting of hydrogen, alkyl, alkenyl, aryl, substituted alkyl, substituted alkenyl, substituted aryl, acyl, alkoxycarbonyl, acetal, ether, silyl ether, alkylsulfonyl, and an oxygen protecting group; R 2 , R 3 , and R 4 are independently selected from the group consisting of hydrogen, halogen, hydroxyl, {—}OR 8 , acyl, alkyl, alkenyl, aryl, substituted alkyl, substituted alkenyl, substituted aryl, and alkoxycarbonyl; R 6 is an atom selected from the group consisting of oxygen and nitrogen; R 8 is selected from the group consisting of hydrocarbyl and substituted hydrocarbyl; L is halogen; Y is an atom selected from the group consisting of oxygen, nitrogen and sulfur; Z is selected from the group consisting of alkyl, alkenyl, alkylaryl, aralkyl, aryl, substituted alkyl, substituted alkenyl, substituted alkylaryl, substituted aralkyl, and substituted aryl; and n is 1 or 2.