In treating olefinic acyl-p-tosylhydrazides with reducing, acidic or basic agents, the reactivity of carbon-nitrogen double bond towards hydride ion is drastically reduced in conjugated acyl substrates. Under severe reaction condition tars and many by-products are formed. In alkaline condition alfa-beta unsaturated substrates were almost unchanged and ring closure was never observed.
Base and Acid Decomposition of Unsatarated 1-Acyl-2-Tosylhydrazines / Bellesia, Franco; R., Grandi; Pagnoni, Ugo Maria; R., Trave. - In: GAZZETTA CHIMICA ITALIANA. - ISSN 0016-5603. - STAMPA. - 111:(1981), pp. 511-513.