An unprecedented Zn10O4 heteroadamantane cage containing anilido-pyridinate ligand and its activity for ring opening polymerization of l-lactide and ?-caprolactone
(NPyC2OMe)8Zn10Et4(μ4-O)4 (1) has been synthesized in situ by hydrolysis of ZnEt2 in a one pot process and it was proved by applying X-ray structure analysis that the organozinc anilido-pyridinate moiety encapsulated the zinc oxide cluster, which demonstrated one self-assembled coordinate mode Zn10O4 . Moreover, the catalytic activity was investigated and good activity for l-lactide and ?-caprolactone ring opening polymerization was observed with both living and controllable properties.
Mesoionic pyrido[1,2-a]pyrimidinones: A novel class of insecticides inhibiting nicotinic acetylcholine receptors
A novel class of mesoionic pyrido[1,2-a]pyrimidinones has been discovered with exceptional insecticidal activity controlling a number of insect species, particularly hemiptera and lepidoptera. Mode-of-action studies showed that they act on nicotinic acetylcholine receptors (nAChRs) primarily as inhibitors. Here we report the discovery, evolution, and preparation of this class of chemistry. Our efforts in structure–activity relationship elucidation and biological activity evaluation are also presented.
Zhang, Wenming,Holyoke, Caleb W.,Barry, James,Leighty, Robert M.,Cordova, Daniel,Vincent, Daniel R.,Hughes, Kenneth A.,Tong, My-Hanh T.,McCann, Stephen F.,Xu, Ming,Briddell, Twyla A.,Pahutski, Thomas F.,Lahm, George P.
p. 5444 - 5449
(2016/11/11)
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