152589-26-9Relevant academic research and scientific papers
Lewis Acid-Induced Diels-Alder Reaction of Conjugated Carbodiimides
Saito, Takao,Ohkubo, Takahiro,Maruyama, Katsuhiro,Kuboki, Hideki,Motoki, Shinichi
, p. 1127 - 1130 (1993)
In the presence of a Lewis acid conjugated carbodiimides smoothly react as 2-azadienes with various dienophiles such as acetylenic compound, enamine, vinyl ether, and aldehyde under mild reaction conditions to give good yields of nitrogen heterocycles as cycloadducts.
Thermal or Lewis acid-promoted electrocyclisation and hetero Diels-Alder cycloaddition of α,β-unsaturated (conjugated) carbodiimides: A facile synthesis of nitrogen-containing heterocycles
Saito, Takao,Ohkubo, Takahiro,Kuboki, Hideki,Maeda, Masayuki,Tsuda, Kensaku,Karakasa, Takayuki,Satsumabayashi, Sadayoshi
, p. 3065 - 3080 (2007/10/03)
α,β-Diarylvinyl- and α-styryl-carbodiimides, prepared by the aza-Wittig reaction of iminophosphoranes with isocyanates, underwent either 6π-electrocyclisation upon heating or a Diels-Alder reaction under thermal or Lewis acid-promoted conditions with appr
