A Repetitive One-Step Method for Oligoarene Synthesis Using Catalyst-Controlled Chemoselective Cross-Coupling
Authors:
- 7 April 2011
- journal article
- letter
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 13 (9) , 2436-2439
Abstract
A method for oligoarene synthesis involving chemoselective cross-coupling as the key reaction was developed. Boronic acids with a chloro or trifluoromethanesulfonyloxy group were used as the monomer precursors with either of two chemoselective catalytic systems: Pd with P(t-Bu)3, and Pd with 1,1′-bis(diphenylphosphino)ferrocene (DPPF). This method enabled elongation by one benzene unit in every step and thus reduced the number of steps required for elongation of oligoarene chains with well-defined lengths and sequences of substituted benzene rings.Keywords
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