72168-15-1Relevant academic research and scientific papers
Mechanistic criteria for cation radical reactions: Aminium salt-catalyzed cyclopropanation
Yueh, Wang,Bauld, Nathan L.
, p. 5671 - 5676 (2007/10/02)
Mechanistic studies of the cyclopropanation of a series of trans-stilbenes by ethyl diazoacetate catalyzed by two different triarylaminium salts decisively confirm a cation radical mechanism and rule out a hypothetical electrophilic mechanism. The elucidation of key aspects of these cation radical mechanisms, including kinetic vs equilibrium control of ionization and chain vs catalytic mechanisms, has also been achieved for these systems. New mechanistic criteria for the positive identification of cation radical mechanisms are proposed.
Ultrasound-Mediated Synthesis and Mass Spectrometric Fragmentation of Dimethyl-Substituted 1,2-Diphenylethanols, Convenient Dimethylstilbene Precursors
Burkow, Ivan C.,Sydnes, Leiv K.,Ubeda, Danielle C. N.
, p. 235 - 244 (2007/10/02)
1,2-Diarylethanols were obtained in high yields by ultrasonic irradiation of mixtures of lithium sand, benzylic chlorides, and arenecarbaldehydes or aryl methyl ketones.The mass spectra of the alcohols contained dominant peaks for species formed by dehydration, α-cleavage processes and rearrangement involving hydrogen transfer.Acid-catalyzed dehydration of the alcohols gave the corresponding stilbenes in quantitative yields.
Photochemical Oxidation of Toluene and Xylenes. Concurrent Formation of Products Due To Photooxygenation and Photodimerization
Sydnes, Leiv K.,Burkov, Ivan C.,Hansen,Sissel H.
, p. 829 - 836 (2007/10/02)
Irradiation throuh pyrex of toluene and o-, m- and p-xylene in the liquid phase in the presence of air gave product mixtures which mainly contained alcohols, aldehydes, acids, and various dimers.
