Synthesis and structures of stilbene cycles. 2. Low-valent titanium-induced ring closures of aromatic bis (carbonyls)

J Tirado-Rives, MA Oliver, FR Fronczek…

Index: Tirado-Rives, Julian; Oliver, Michael A.; Fronczek, Frank R.; Gandour, Richard D. Journal of Organic Chemistry, 1984 , vol. 49, p. 1627 - 1634

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Citation Number: 29

Abstract

Low-valent titanium-induced reductive coupling has been used to prepare stilbene cycles. Bis (carbony1) ethers, lh-3h and lm-3m, have been prepared from the reactions of salicylaldehyde (h) and 2-hydroxyacetophenone (m) with diethylene glycol ditosylate (l), 1 ...