1310355-45-3Relevant articles and documents
PHOTOCHROMIC INDENO FUSED PHENANTHRENOPYRAN COMPOUNDS
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Paragraph 0156, (2018/12/03)
The present invention relates to photochromic indeno fused phenanthrenopyran compounds represented by the following Formula (I). With some embodiments, the photochromic compounds represented by Formula (I) include at least one lengthening group (e.g., Rs
LACTONE COMPOUNDS AND MATERIALS MADE THEREFROM
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Page/Page column 20, (2012/06/30)
The present invention relates to lactone compounds represented by the following Formulas I and II, and methods of making such lactone compounds. 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).