Diels-Alder and ene reactions of 4-substituted 1, 2, 4-triazoline-3, 5-diones and some substituted styrenes

…, SE Mallakpour, GB Butler, GJ Palenik

Index: Lai, Yu-Chin; Mallakpour, Shadpour E.; Butler, George B.; Palenik, Gus J. Journal of Organic Chemistry, 1985 , vol. 50, # 22 p. 4378 - 4381

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Citation Number: 35

Abstract

Although PhTD (4-phenyl-substituted 1, 2, 4-triazoline-3, 5hdione) has been reported to be one of the most reactive dienophiles' and enophiles? only the DA (Diels-Alder) reactions have been extensively investigated. However, in a study of the ene reactions of PhTD with a series of substituted alkenes, bicycloalkanes as well as bicycloalkenes have been reported re~ ently.~ The reaction of PhTD and styrene at room temperature was reported to give a ...