Patent ID: 9682914
Date: 2017-06-20
CPC Classifications: A23L,A23V,C07C,C11B

Claim:
1. A method of producing a compound of formula (I): or a salt thereof, wherein R 1 is selected from the group consisting of H, unsubstituted or substituted C 1 -C 10 alkyl, and unsubstituted or substituted C 2 -C 10 alkenyl, and R 2 is selected from the group consisting of H, unsubstituted or substituted C 1 -C 10 alkyl, and COR a , in which R a is H or unsubstituted or substituted C 1 -C 10 alkyl, the method comprising: reacting a compound having the formula IB with ozone and subsequently with an oxidant different from ozone to obtain the compound of formula (I) wherein R 1 is H; or alternatively reacting a compound having the formula (IB) with ozone and subsequently with a reductant to obtain a mixture comprising the compound of formula (I) wherein R and separating the compound of formula (I) wherein R