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Synthesis and Isolation of an Acyclic Tridentate Bis(pyridine)carbodicarbene and Studies on Its Structural Implications and Reactivities
Author(s) -
Hsu YuChen,
Shen JiunShian,
Lin BoChao,
Chen WenChing,
Chan YiTsu,
Ching WeiMin,
Yap Glenn P. A.,
Hsu ChaoPing,
Ong TiowGan
Publication year - 2015
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201406481
Subject(s) - pincer movement , chemistry , pyridine , denticity , allene , palladium , combinatorial chemistry , catalysis , ligand (biochemistry) , pincer ligand , stereochemistry , polymer chemistry , organic chemistry , crystal structure , biochemistry , receptor
The simple synthetic development of acyclic pincer bis(pyridine)carbodicarbene is depicted herein. Presented is the first isolated structural pincer carbodicarbene with a C‐C‐C angle of 143°, larger than the monodentate framework. More importantly, theoretical analysis showed that this carbodicarbene embodies a more allene‐like character. Palladium complexes supported by this pincer ligand are active catalysts for Heck–Mizoroki and Suzuki–Miyaura coupling reactions.