Group Title: 2+2 cycloadditions of fluorinated methylenecyclopropanes and the thermolysis of 3,4 dimethyl 1,1,2,2-tetrafluorocyclobutane /
Title: 2+2 cycloadditions of fluorinated methylenecyclopropanes and the thermolysis of 3,4 dimethyl 1,1,2,2-tetrafluorocyclobutane
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Permanent Link: http://ufdc.ufl.edu/UF00099346/00001
 Material Information
Title: 2+2 cycloadditions of fluorinated methylenecyclopropanes and the thermolysis of 3,4 dimethyl 1,1,2,2-tetrafluorocyclobutane
Physical Description: vii, 139 leaves : ill. ; 28 cm.
Language: English
Creator: Daly, Daniel, 1952- ( Dissertant )
Dolbier, William R. ( Thesis advisor )
Jones, William M. ( Reviewer )
Battiste, Merle A. ( Reviewer )
Allen, Charles ( Reviewer )
Henrahan, Robert J. ( Reviewer )
Publisher: University of Florida
Place of Publication: Gainesville, Fla.
Publication Date: 1984
Copyright Date: 1984
 Subjects
Subjects / Keywords: Methylenecyclopropanes   ( lcsh )
Ring formation (Chemistry)   ( lcsh )
Chemistry thesis Ph. D
Dissertations, Academic -- Chemistry -- UF
Genre: bibliography   ( marcgt )
non-fiction   ( marcgt )
 Notes
Abstract: The 2+2 and 4+2 cycloaddition reaction of 2,2 Dif luoromethylenecyclopropane 1 and (dif luoro) methylenecyclopropane 2 are reported. Dienes studied are cyclopentadiene 3, butadiene 4, furan 5 and diphenylisobenzoforan 6. 1 , l-Dichloro-2 , 2 dif luoroethylene 7 was the only ethylene used. Reactions of 1 with 3 and 5 gave both exo and endo 4+2 cycloadduct. The reaction of 6 yielded only the endo adduct. The only 2+2 cycloaddition reaction of 1 was with 7 . Reaction of 2 and 4 and 7 qave only one 2+2 cycloadduct and 2 did not react with any diene in 3+2 fashion. The thermal decomposition of cis 3 , 4-dimethyl- 1, 1, 2, 2-tetrafluorocyclobutane 8 was investigated. The rate of isomerization to trans-1 , 2-dimethyl 3,3,4,4- tetrafluorocyclobutane 9 was measured and compared to the rate of dissociation to 3 , 3-dif luoropropene 10. The results are consistent with two-step mechanism involving a diradical intermediate.
Thesis: Thesis (Ph. D.)--University of Florida, 1984.
Bibliography: Bibliography: leaves 135-138.
Statement of Responsibility: by Daniel Daly.
General Note: Typescript.
General Note: Vita.
 Record Information
Bibliographic ID: UF00099346
Volume ID: VID00001
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: alephbibnum - 000500699
oclc - 12113260
notis - ACS0332

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