947232-04-4Relevant academic research and scientific papers
Intramolecular cross-coupling of gem-dibromoolefins: A mild approach to 2-bromo benzofused heterocycles
Newman, Stephen G.,Aureggi, Valentina,Bryan, Christopher S.,Lautens, Mark
supporting information; experimental part, p. 5236 - 5238 (2010/01/31)
Highly useful halogenated benzofurans and benzothiophenes are prepared from readily available gem-dibromoolefins using a mild, ligand-free copper catalyzed cross-coupling procedure.
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 88; 148; 149, (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
