Benzoyl and trichloroacetyl isocyanates in cyclo-formation reactions1. Benzoyl isocyanate reacts with acrolein and diphenylacetylene by the 1,2-
cyclo-addition type. 2
Reaction of benzoyl and trichloroacetyl isocyanates with cyclic enamines, and piperidinocyclopentene on the type of 1,4-
cycloaddition, with the formation of 1,3-oxazin-4-one derivatives, while
Sydnone-alkyne cycloaddition: Which factors are responsible for reaction rate ?. Reconstructed reaction path supported two-step mechanism:
cycloaddition followed by retro-Diels-Alder reaction
Cycloaddition of furfurylamines to maleic anhydride and its substituted derivativesThe regio- and stereoselectivity of the [4+2]
cycloaddition of maleic, citraconic, dichloromaleic