108979-92-6Relevant academic research and scientific papers
2,3-Dichloro-5,6-dicyano-para-benzoquinone (DDQ)/methanesulfonic acid (MsOH)-mediated intramolecular arene-alkene oxidative coupling
Kim, Ko Hoon,Lim, Cheol Hee,Lim, Jin Woo,Kim, Jae Nyoung
supporting information, p. 697 - 704 (2014/04/03)
An efficient intramolecular arene-alkene oxidative coupling of 1,4-diaryl-1,3-butadienes has been developed involving the use of a 2,3-dichloro-5,6-dicyano-para-benzoquinone (DDQ)/acid catalyst. The reaction involves the generation of a radical cation by abstraction of an electron from the substrate with DDQ, an intramolecular Friedel-Crafts-type reaction, and the loss of hydrogen radical.
Lewis acid-mediated highly regioselective ring-expansion of methyl 2-phenyl-1-(arylhydroxymethyl)cyclopropanecarboxylates
Yoshida, Eri,Nishida, Kazufumi,Toriyabe, Kei,Taguchi, Ryouta,Motoyoshiya, Jiro,Nishii, Yoshinori
scheme or table, p. 194 - 195 (2010/08/20)
A novel ring-expansion of methyl (arylhydroxymethyl)- cyclopropanecarboxylates 1 using Sc(OTf)3 or BF3· OEt2 afforded 1,2-dihydronaphthalene-3-carboxylic acid ester 2 in high to excellent yields. In the reaction, highly regioselective ring opening of cyclopropane and sequential cyclization occurred.
