1426068-45-2

Upstream product

• 134-81-6 benzil 
• 100-46-9 benzylamine 
• 1761-61-1 5-bromosalicyclaldehyde 

Downstream Products

• 1426068-47-4 8-(1-benzyl-4,5-diphenyl-1H-imidazol-2-yl)-6-bromo-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-indoline] 
• 1426068-48-5 8-(1-benzyl-4,5-diphenyl-1H-imidazol-2-yl)-5',6-dibromo-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-indoline] 
• 1426068-49-6 8-(1-benzyl-4,5-diphenyl-1H-imidazol-2-yl)-6-bromo-5'-chloro-1',3',3'-trimethylspiro[2H-1-benzopyran-2,2'-indoline] 
• 1426068-46-3 3-(1-benzyl-4,5-diphenyl-1H-imidazol-2-yl)-5-bromo-2-hydroxybenzaldehyde 

Relevant academic research and scientific papers

Photo- and thermochromic spirans. 38. New (1-alkyl-4,5-diphenyl)imidazolyl- substituted spirobenzopyrans

3-Diphenylimidazolyl-substituted 2-hydroxybenzaldehyde has been obtained by the formylation of 2-diphenylimidazolyl-substituted phenol. From the obtained compound, new photochromic spiroindolinebenzopyrans containing a 4,5-diphenylimidazole group at the position 8 of the benzopyran fragment were synthesized. The obtained compounds possess photochromic properties in solution.