abstract |
The present invention relates to a canthanoid compound, and more particularly to a compound of the formula 5: 5 Wherein X is a linear or branched alkyl, alkenyl or alkynyl group having 2 to 20 carbons, Y is a cycloalkyl or cycloalkenyl group having 3 to 10 carbons, and Z is a 6 to 10 carbons Is a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group wherein the hetero atom is selected from N, O, S, and l, m and n are each 0 or 1 when they are not simultaneously 0 , And E is an active ester together with a carbonyl group. |