Patent ID: 7763615

Claim:
A compound of the general formula I: wherein R 1 is OH, OR′, SH, SR′, SOR′, SO 2 R′, NO 2 , NH 2 , NHR′, N(R′) 2 , NHC(═O)R′, CN, halogen, substituted or unsubstituted C 1 -C 25 alkyl, substituted or unsubstituted C 2 -C 18 alkenyl, substituted or unsubstituted C 2 -C 18 alkynyl, substituted or unsubstituted carbocyclic aryl selected from phenyl, naphthyl, biphenyl, phenanthryl and anthracyl, substituted or unsubstituted heterocyclic selected from coumarinyl, quinolinyl, pyridyl, pyrazinyl, pyrimidyl, furyl, pyrrolyl, thienyl, thiazolyl, oxazolyl, imidazolyl, indolyl, benzofuranyl, benzothiazolyl, tetrahydrofuranyl, tetrahydropyranyl, piperidinyl, morpholinyl and pyrrolidinyl; R 2 , R 3 , R 4 , and R 5 are each independently selected from H, OH, OR′, SH, SR′, SOR′, SO 2 R′, C(═O)R′, C(═O)OR′, NO 2 , NH 2 , NHR′, N(R′) 2 , NHC(═O)R′, CN, halogen, substituted or unsubstituted C 1 -C 25 alkyl, substituted or unsubstituted C 2 -C 18 alkenyl, substituted or unsubstituted C 2 -C 18 alkynyl, substituted or unsubstituted carbocyclic aryl selected from phenyl, naphthyl, biphenyl, phenanthryl and anthracyl, and substituted or unsubstituted heterocyclic selected from coumarinyl, quinolinyl, pyridyl, pyrazinyl, pyrimidyl, furyl, pyrrolyl, thienyl, thiazolyl, oxazolyl, imidazolyl, indolyl, benzofuranyl, benzothiazolyl, tetrahydrofuranyl, tetrahydropyranyl, piperidinyl, morpholinyl and pyrrolidinyl; wherein X is independently selected from OR′, CN, (═O), and H; wherein each of the R′ groups is independently selected from the group consisting of H, OH, NO 2 , NH 2 , SH, CN, halogen, ═O, C(═O)H, C(═O)CH 3 , CO 2 H, substituted or unsubstituted C 1 -C 25 alkyl, substituted or unsubstituted C 2 -C 18 alkenyl, substituted or unsubstituted C 2 -C 18 alkynyl, and substituted or unsubstituted carbocyclic aryl selected from phenyl, naphthyl, biphenyl, phenanthryl and anthracyl; wherein m is 0, 1 or 2; and wherein n is 1, 2, 3 or 4.