University of Tehran Journal of Sciences, Islamic Republic of Iran 1016-1104 9 4 1998 12 01 REACTIONS OF DIHYDROPYRIDINES WITH BENZYNE - 31481 EN Journal Article Reactions of 1 ,Zdihydropyridines (la-c) and 1,4-dihydropyridines (2a-c) in the presence of benzyne (3) under thermal conditions, and in the case of (2c) under photochemical conditions, have been investigated. Benzyne acts as an oxidizing agent to convert dihydropyridine (la) and (2a) to the corresponding pyridine (4) or adds as a dienophile to (lb-c). https://jsciences.ut.ac.ir/article_31481_5a897c4ac62db0e169de0b47ae9c2842.pdf