120446-36-8Relevant academic research and scientific papers
Synthesis of Cyclobutenes by the Novel Photochemical Ring Contraction of 4-Substituted 2-Amino-3,5-dicyao-6-phenyl-4H-pyrans
Armesto, Diego,Horspool, William M.,Martin, Nazario,Ramos, Ana,Seoane, Carlos
, p. 3069 - 3072 (2007/10/02)
4-Substituted 2-amino-3,5-dicyano-6-phenyl-4H-pyrans undergo a novel photochemical ring contraction to cyclobutenes from the triplet state.For example, irradiation of a solution of 2-amino-3,5-dicyano-6-phenyl-4H-pyran-4-spirocyclopentane (9a) in methylen
A Novel Photochemical Ring Contraction of 4H-Pyrans. A New Route to Selectively Substituted Cyclobutenes
Armesto, Diego,Horspool, William M.,Martin, Nazario,Ramos, Ana,Seoane, Carlos
, p. 1231 - 1232 (2007/10/02)
The novel photochemical ring contraction of some 4H-pyrans to cyclobutenes is described.
