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Bis(imino)carbazolate: A Master Key for Barium Chemistry
Author(s) -
Chapple Peter M.,
Kahlal Samia,
Cartron Julien,
Roisnel Thierry,
Dorcet Vincent,
Cordier Marie,
Saillard JeanYves,
Carpentier JeanFrançois,
Sarazin Yann
Publication year - 2020
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.202001439
Subject(s) - barium , key (lock) , chemistry , computer science , inorganic chemistry , operating system
Reported here is a readily available bis(imino)carbazole‐based proligand that constitutes a convenient entry point into the challenging synthetic molecular chemistry of barium. It enables the preparation of rare or even, up to now, unknown, solution‐stable heteroleptic barium complexes. The syntheses and structural features for the first molecular barium fluoride and the first barium stannylide, with an unsupported Ba−Sn bond, are described, along with other carbazolate barium species: an amide (both a remarkably stable starting material and an excellent hydrophosphination precatalyst), iodide, and silanylide. DFT analysis of bonding patterns in the barium stannylide and barium silanylide highlights a prevailingly ionic barium–tetrelide bond with a small covalent contribution.