Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/61577
Title: Preparation of a highly congested carbazoyl-derived P,N-type phosphine ligand for acetone monoarylations
Authors: Fu, WC
Zhou, Z
Kwong, FY 
Issue Date: 2016
Publisher: American Chemical Society
Source: Organometallics, 2016, v. 35, no. 10, p. 1553-1558 How to cite?
Journal: Organometallics 
Abstract: We report a newly developed carbazoyl-derived P,N-type phosphine ligand (L1) for the monoarylation of acetone with aryl chlorides. The proposed Pd(dba)2/L1 catalyst exhibited remarkable catalytic reactivity toward highly electron rich and sterically congested aryl chlorides, with catalyst loading as low as 0.1 mol % of Pd along with excellent chemoselectivity. A reaction rate study of the system using electronically diverse aryl chlorides determined the mechanisms regarding the rate-limiting steps in this reaction. The oxidative addition adduct of Pd-PhenCar-Phos with p-chlorotoluene showed the participation of N-Pd coordination in the metal complex. The isolated palladium complex C1 could be utilized as a precatalyst in the transformation and achieved performance comparable to that of the in situ generated palladium species.
URI: http://hdl.handle.net/10397/61577
ISSN: 0276-7333
EISSN: 1520-6041
DOI: 10.1021/acs.organomet.6b00154
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