19263-51-5

Upstream product

• 108-31-6 maleic anhydride 
• 98-82-8 Isopropylbenzene 

Downstream Products

• 3452-91-3 cumyl succinic anhydride 
• 1380687-87-5 C₁₉H₁₆F₂O₂ 
• 1380687-86-4 2-(3-(4-methoxyphenyl)-1,1-dimethyl-1H-inden-2-yl)acetic acid 
• 1380687-80-8 3,3-bis(4-methoxyphenyl)-7-methoxy-13,13-dimethyl-3H,13H-indeno[2',3':3,4]naphtho[1,2-b]pyran 
• 1380687-85-3 C₂₀H₂₀O₃ 

Relevant academic research and scientific papers

PHOTOCHROMIC COMPOUNDS AND COMPOSITIONS

Described herein are compounds (III) comprising an indeno[2',3', 3, 4] naptho [1,2-b] pyran structure. Such compounds may be useful for their photochromic properties, and be use in certain photochromic compositions. Such compositions may further comprise other photochromic compositions and/or materials. Additionally, such compounds and/or compositions may be suitable for preparing certain photochromic articles.

METHOD OF MAKING INDENO-FUSED NAPHTHOL MATERIALS

The present invention relates to a method of making indeno-fused naphthol materials, that involves, with some embodiments, forming an indanone acid intermediate, which can be represented by the following general Formula V, With Formula V, m is from 0 to 4