87922-25-6

Downstream Products

• 13295-94-8 4-(phenylethynyl)pyridine 
• 59576-20-4 1-phenyl-2-[4]pyridyl-ethanone-(E)-oxime 
• 54401-85-3 pyridin-4-yl-acetic acid ethyl ester 
• 1620-55-9 1-phenyl-2-(4-pyridinyl)ethanone 
• 100723-90-8 [4]pyridyl-acetic acid anilide 
• 5097-93-8 trans-4-styrylpyride 

Relevant academic research and scientific papers

Photo-dehydro-diels-alder reaction of 1-phenyl-2-(pyridyl)acetylenes in acidic aqueous solution

The photocycloaddition of 1-(4-R-phenyl)-2-(4-pyridyl)acetylenes (R = H, Br, CH3, Cl) and 1-(4-Rphenyl)- 2-(2-pyridyl)acetylenes (R = H, Br, Cl) was carried out in acidic aqueous solution. The unexpected photo-dehydro-Diels-Alder reaction of these monomers was observed, and the results show that two monomers react in a head-to-tail manner and lead to the formation of 2-phenyl-1,3- di(pyridyl)naphthalene derivatives. This reaction presents a direct metal-free method to construct the 1,2,3-triaryl substituted naphthalenes from diarylacetylenes.