76670-67-2Relevant academic research and scientific papers
cis-Oxa,aza-σ-homobenzenes. Syntheses,[2+2+2]-cycloreversion reactions
Prinzbach, Horst,Mueller, Klaus-Helmut,Kaiser, Clemens,Hunkler, Dieter
, p. 3475 - 3478 (2007/10/02)
cis-Dioxa,aza-tris-(8) and cis-oxa, aza-bis-σ-homobenzenes (21) have been synthesised. With activation barriers, which clearly support the concerted mechanism, they undergo [2+2+2]-cycloreversion yielding 7H-1,4,7-dioxazonines (9) and 4H-1,4-oxazocines (22), resp.
