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(4+2)-Cycloaddition Reactions of Ketenes; Pyranones
This study deals with the (4+2)-cycloaddition reactions of 4-π electron compounds with ketenes. Chloroketenes were generated in situ from the corresponding chlorinated acid chlorides in the presence of the ketenophiles. Chloro-, dichloro- and diphenylketenes reacted with 1-methoxy-3-trimethylsiloxy-l,3-butadiene, and 2,4-bis(trimethylsiloxy)-1,3-pentadiene to yield the corresponding dihydropyrans. The dihydropyrans yielded substituted 4-pyranones on hydrolysis.
Date:
August 1983
Creator:
Agho, Michael O. (Michael Osarenogowu)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Thermochemical Investigations of Associated Solutions: Calculation of Solute-Solvent Equilibrium Constants from Solubility Measurements
Article on thermochemical investigations of associated solutions and the calculation of solute-solvent equilibrium constants from solubility measurements.
Date:
August 1, 1983
Creator:
Acree, William E. (William Eugene); McHan, Danny R. & Rytting, J. Howard
Object Type:
Article
System:
The UNT Digital Library