The chemistry of 5-oxodihydroisoxazoles. XVI. A new synthesis of pyrroles, furans, thiophens and their benzo analogues
RH Prager, CM Williams
Index: Prager, Rolf H.; Williams, Craig M. Australian Journal of Chemistry, 1996 , vol. 49, # 12 p. 1315 - 1323
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Citation Number: 7
Abstract
Abstract Ethyl 5-oxo-2-phenyl-2, 5-dihydroisoxazole-4-carboxylate (2) was photolysed at 300 nm in the presence of phenols, enols, anilines, enamines, aryl thiols and thioenols affording enamines. Treatment of these enamines with Lewis or protic acids gives the respective benzo and five-membered ring systems.
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