27299-32-7Relevant academic research and scientific papers
Synthesis of o-Dialkenylbenzenes and Indenes Using Heck and Oxypalladation Reactions
Braese, Stefan,Ruemper, Joerg,Voigt, Katharia,Albecq, Stephane,Thurau, Gert,et al.
, p. 671 - 678 (2007/10/03)
o-Bromostyrenes 2-Br react with various alkenes in the presence of palladium catalysts to give either substituted indene 6 or o-diethenylbenzene derivatives 3, depending on the reaction conditions.Under oxidative conditions the latter can be cyclized to indene derivatives as well. - Keywords: Cross-coupling, Heck; Palladium catalysis; Indanes; Arenes, dialkenyl-N
A Novel Cyclization of 1,2-Bis(2,2-dibromocyclopropyl)benzenes with Methyllithium
Hoehn, Juergen,Weyerstahl, Peter
, p. 808 - 814 (2007/10/02)
The CBr2 bis adducts 7, 8, and 10 react with MeLi at - 78 deg C to give the dicyclopropanaphthalenes 17 - 19.Thus, from meso-7 syn-17, and from d,l-7 anti-17 are formed stereoselectively.The reaction may proceed via the intermediates A or B.The carbenoid
