Reactions of benzyl alcohols with HI in solvent-free conditions were examined. Three types of reactions (iodination, reduction, and ring formation) occurred depending on the degree of crowding around the benzyl position and the benzylic stabilization of substrates. Results also showed that the ring formation to give indanes proceeded efficiently when HI was used, and that compounds with electron-rich
Indium(III) Bromide-Catalyzed Chemioselective Dimerization of Vinylarenes
作者:Clovis Peppe、Ernesto Schulz Lang、Fabiano Molinos de Andrade、Liérson Borges de Castro
DOI:10.1055/s-2004-829557
日期:——
Indium(III) bromide catalyzes the dimerization of α-substituted vinylarenes. Chemioselectivity towards open chain or cyclic dimers depends on the nature of the substituent at the aryl group of the vinylarene.
DICARBOXYLIC ACID MONOMERS AND METHODS OF MAKING AND USING THE SAME
申请人:SABIC Global Technologies B.V.
公开号:US20150336869A1
公开(公告)日:2015-11-26
Disclosed herein are phenylindane dicarboxylic acid (PIDA) monomers, polymer compositions comprising the PIDA monomers, and methods of preparing PIDA monomers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
Metal-Free Domino One-Pot Decarboxylative Cyclization of Cinnamic Acid Esters: Synthesis of Functionalized Indanes
作者:Alavala Gopi Krishna Reddy、Gedu Satyanarayana
DOI:10.1021/acs.joc.6b02015
日期:2016.12.16
Their formation can be explained via acid triggered decarboxylation of cinnamic acid esters and subsequent inter/intramolecular cyclization. Overall process involves in the intramolecular cleavage of two σ-bonds (C–O and C–C) and inter/intramolecular construction of two/one C–C σ-bond(s). Significantly, this protocol was successful without the aid of any metal salts.