Bis(imidazolidine)pyridine‐CoCl2: A Novel, Catalytically Active Neutral Complex for Asymmetric Michael Reaction of 1,3‐Carbonyl Compounds with Nitroalkenes

A neutral bis(imidazolidine)pyridine (PyBidine)‐CoCl2 complex showed catalytic activity for the Michael reaction of malonates with nitroalkenes. The results indicated that a weak amine base aided enolate formation from the neutral complex, in which the N−H proton of the imidazolidine ligand played a...

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Bibliographic Details
Published in:Advanced synthesis & catalysis 2019-08, Vol.361 (16), p.3704-3711
Main Authors: Arai, Takayoshi, Iimori, Yuko, Shirasugi, Mayu, Shinohara, Ryota, Takagi, Yuri, Suzuki, Takumi, Ma, Junma, Kuwano, Satoru, Masu, Hyuma
Format: Article
Language:English
Subjects:
Asymmetric catalysis
Carbonyl compounds
Carbonyls
Catalysis
Catalytic activity
Cobalt
Enolates
Imidazolidine
Michael addition
Michael reaction
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Summary:A neutral bis(imidazolidine)pyridine (PyBidine)‐CoCl2 complex showed catalytic activity for the Michael reaction of malonates with nitroalkenes. The results indicated that a weak amine base aided enolate formation from the neutral complex, in which the N−H proton of the imidazolidine ligand played a significant role.
ISSN:1615-4150
1615-4169
DOI:10.1002/adsc.201900421