@article{sloop_lechner_washington_bumgardner_loehle_creasy_2008, title={Pyrazole formation: Examination of kinetics, substituent effects, and mechanistic pathways}, volume={40}, ISSN={["0538-8066"]}, DOI={10.1002/kin.20316}, abstractNote={Abstract}, number={7}, journal={INTERNATIONAL JOURNAL OF CHEMICAL KINETICS}, author={Sloop, Joseph C. and Lechner, Brent and Washington, Gary and Bumgardner, Carl L. and Loehle, W. David and Creasy, William}, year={2008}, month={Jul}, pages={370–383} } @article{sloop_bumgardner_washington_loehle_sankar_lewis_2006, title={Keto-enol and enol-enol tautomerism in trifluoromethyl-beta-diketones}, volume={127}, ISSN={["0022-1139"]}, DOI={10.1016/j.jfluchem.2006.02.012}, abstractNote={The keto–enol (K⇌E) and enol–enol (E⇌E) equilibria of a variety of trifluoromethyl-β-diketones were investigated using 1H, 13C, 19F NMR spectroscopy, infrared spectroscopy and ultraviolet-visible spectrophotometry in nonpolar solvents. In general, NMR, IR and UV spectral evidence indicates that trifluoromethyl-β-diketones exist as mixtures of two chelated cis-enol forms in nonpolar media. Infrared spectroscopy and ultraviolet spectrophotometry show the E⇌E equilibrium lies in the direction of the enol form which maximizes conjugation in most cases. Exceptions are noted and discussed.}, number={6}, journal={JOURNAL OF FLUORINE CHEMISTRY}, author={Sloop, JC and Bumgardner, CL and Washington, G and Loehle, WD and Sankar, SS and Lewis, AB}, year={2006}, month={Jun}, pages={780–786} } @article{sloop_bumgardner_loehle_2002, title={Synthesis of fluorinated heterocycles}, volume={118}, ISSN={["0022-1139"]}, DOI={10.1016/S0022-1139(02)00221-X}, abstractNote={Selected 1,3-diketones having a trifluoromethyl group and/or a fluorine in the 2-position were condensed with aromatic hydrazines, hydroxylamine, urea, thiourea, guanidine, and substituted anilines producing pyrazoles, isoxazoles, pyrimidines, and quinolines, respectively, in yields ranging from 27 to 87%.}, number={1-2}, journal={JOURNAL OF FLUORINE CHEMISTRY}, author={Sloop, JC and Bumgardner, CL and Loehle, WD}, year={2002}, month={Dec}, pages={135–147} } @article{bumgardner_burgess_2000, title={Addition of cyclic ethers and acetals to ethyl 3,3-difluoro-2-methylpropenoate}, volume={102}, ISSN={["0022-1139"]}, DOI={10.1016/S0022-1139(99)00300-0}, abstractNote={Ethyl 3,3-difluoro-2-methylpropenoate forms 1 : 1 adducts with tetrahydrofuran and 1,3-dioxolanes under free radical conditions. In contrast no 1 : 1 adducts are observed when tetrahydropyran and 1,3-dioxanes are used as sources of α-alkoxy radicals. An explanation is presented based on FMO and radical stability arguments.}, number={1-2}, journal={JOURNAL OF FLUORINE CHEMISTRY}, author={Bumgardner, CL and Burgess, JP}, year={2000}, month={Mar}, pages={345–348} } @article{mcelroy_purrington_bumgardner_burgess_1999, title={Lack of polymerization of fluorinated acrylates}, volume={95}, DOI={10.1016/S0022-1139(99)00019-6}, abstractNote={trans-Ethyl 3-fluoroacrylate and ethyl 2-methyl-3,3-difluoroacrylate do not undergo radical initiated polymerization. They form 1:1 adducts with α-alkoxy radicals in high yield.}, number={1-2}, journal={Journal of Fluorine Chemistry}, author={McElroy, K. T. and Purrington, S. T. and Bumgardner, C. L. and Burgess, J. P.}, year={1999}, pages={117–120} }