High yielding alkylations of unactivated sp<sup>3</sup>and sp<sup>2</sup>centres with alkyl-9-BBN reagents using an NHC-based catalyst: Pd-PEPPSI-IPr
作者:Cory Valente、Sylvia Baglione、David Candito、Christopher J. O'Brien、Michael G. Organ
DOI:10.1039/b715081d
日期:——
High yielding, room temperature cross couplings of unactivated alkyl bromides and aryl bromides/chlorides with alkyl-9-BBN reagents has been achieved using an NHC-based catalyst (Pd-PEPPSI-IPr) via a general, functional-group tolerant and easily implemented protocol.
Novel aspects on the reaction of trialkyl-(1-methylindol-2-yl)borates
作者:Minoru Ishikura、Masanao Terashima
DOI:10.1039/c39890000135
日期:——
A new use of trialkyl-(1-methylindol-2-yl)borates for the synthesis of 2-substituted indoles involving the palladium catalysed cross-coupling with vinylic and aromatic halides, or a facile alkyl migration from boron to carbon without an additional electrophile is described.