Patent ID: 7737176

Claim:
A compound that is: (E,E)-6-(2,5-dimethoxyphenyl)-6-oxo-3-methylhexa-2,4-dienoic acid; ethyl (E,E)-6-(2-methoxy-5-ethylphenyl)-6-oxo-3-methylhexa-2,4-dienoate; (E,E)-6-(2-methoxy-5-ethylphenyl)-6-oxo-3-methylhexa-2,4-dienoic acid; ethyl (E,E)-6-(2-methoxy-5-chlorophenyl)-6-oxo-3-methylhexa-2,4-dienoate; (E,E)-6-(2-methoxy-5-chlorophenyl)-6-oxo-3-methylhexa-2,4-dienoic acid; (E,E)-6-(2,5-dimethoxyphenyl)-6-oxo-3-phenylhexa-2,4-dienoic acid; ethyl (E,E)-6-(2,5-dimethoxyphenyl)-6-oxo-3-methylhexa-2,4-dienoate; ethyl (E,E)-6-(2-benzyloxy-5-methoxyphenyl)-6-oxo-3-methylhexa-2,4-dieonate; ethyl (E,E)-6-(2,5-dimethoxyphenyl)-6-oxo-3-propylhexa-2,4-dionate; (E,E)-6-(2,5-dimethoxyphenyl)-6-oxo-3-propylhexa-2,4-dienoic acid; (E,E)-6-(2-hydroxy-5-methoxyphenyl)-6-oxo-3-methylhexa-2,4-dienoic acid; ethyl 6-(2-isobutoxy-5-methoxyphenyl)-6-oxo-3-methylhexa-2,4-dienoate; or 6-(2-isobutoxy-5-methoxyphenyl)-6-oxo-3-methylhexa-2,4-dienoic acid.