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Biphenyl Cyclobutenone Photoelectrocyclizations

The Journal of Organic Chemistry, 2021
In this work, we demonstrate that readily available conjugated bis-aryl cyclobutenones undergo photoelectrocyclization reactions to give the corresponding dihydrophenanthrene cyclobutanones when exposed to 350 nm light, TFA, and TMSCl. We have also found that cyclobutenone electrocyclizations and cycloreversions are in equilibrium.
Changhang Dai   +4 more
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Biphenyl-Exposed Rabbits

American Journal of Veterinary Research, 1973
SUMMARY Rabbits fed 3 formulations of polychlorinated biphenyl (PCB-1221, PCB-1242, and PCB-1254) had significantly lower serum-neutralizing antibody titers to pseudorabies virus (prv) than did rabbits which were not given the pcb formulations. The serum titers from rabbits given the 3 formulations were approximately one-half those of the controls, and
L D, Koller, J E, Thigpen
openaire   +2 more sources

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