947232-31-7Relevant academic research and scientific papers
Synthesis of Racemic, Diastereopure, and Enantiopure Carba- or Oxa[5]-, [6]-, [7]-, and -[19]helicene (Di)thiol Derivatives
Nejedly, Jind?ich,?ámal, Michal,Rybá?ek, Ji?í,Sánchez, Isabel Gay,Houska, Václav,Warzecha, Tomá?,Vacek, Jaroslav,Sieger, Ladislav,Budě?ínsky, Milo?,Bednárová, Lucie,Fiedler, Pavel,Císa?ová, Ivana,Stary, Ivo,Stará, Irena G.
, p. 248 - 276 (2020)
A series of carba- or oxa[5]-, [6]-, [7]-, and -[19]helicene (di)thiols was prepared. The Miyazaki-Newman-Kwart rearrangement of (dimethylcarbamothioyl)oxy (oxa)helicenes in a flow reactor or nucleophilic substitution of dichloro (oxa)helicenes with alkan
A general and practical method of alkynyl indole and benzofuran synthesis via tandem Cu- And Pd-catalyzed cross-couplings
Nagamochi, Masatoshi,Fang, Yuan-Qing,Lautens, Mark
, p. 2955 - 2958 (2008/02/11)
A new tandem coupling approach to synthesize 2-alkynyl indoles and benzofurans is described. This reaction utilizes easily accessible gemdibromovinyl substrates and terminal alkynes and proceeds via Pd/C- and Cul-catalyzed tandem Ullman/Sonogashira coupli
2-VINYL INDOLES, PYRIDO AND AZEPINO INDOLE DERIVATIVES, 2-ALKYNYL INDOLES, 2-ALKYNYL BENZO[b]FURANS, THEIR PRECURSORS AND NOVEL PROCESSES FOR THE PREPARATION THEREOF
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Page/Page column 89; 150, (2008/06/13)
The present invention relates to the preparation of 2-vinyl indoles from ortho-gem-dibromovinylaniline compounds and alkene reagents using a palladium pre-catalyst, a base, and, in some instances, a ligand or additive. The present invention also relates t
