Patent ID: 8067597

Claim:
A one-pot process for the conversion of a compound according to Formula 14 into a compound according to Formula 17, the process comprising: a) heating the compound according to formula 14 in the presence of at least one acid to form a compound according to formula 15; b) oxidizing the compound according to Formula 15 with at least one oxidizing agent to form a compound according to Formula 16; and c) reducing the compound according to Formula 16 with at least one reductive agent to form a compound according to Formula 17; wherein R 1 is H, methyl, a benzyl group, an aryl group, an acyl group, an alkoxycarbonyl group or tetrahydropyranyl group; R 2 is H, methyl, a benzyl group, an aryl group, an acyl group, a formyl group, a formyl ester, an alkoxycarbonyl group or alkylamidocarbonyl group; R 3 is H, an alkyl group, an aryl group or an acyl group; and, X is a halogen.