| abstract |
The present invention relates to lactone compounds represented by following Formulas I and II, and methods of making such lactone compounds. Formula (I): and formula (II). The present invention also relates to methods of making other materials from such lactone compounds, such as fused ring indenol compounds ( e.g. , indeno-fused naphthols), and fused ring indenopyran, compounds ( e.g. , indeno-fused naphthopyrans). |