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Selected Synthetic Studies of NLO pi-Bridges and Thermally Stable Monomers

Fauley, Stacey Marie
http://rave.ohiolink.edu/etdc/view?acc_num=wright1033146948

Abstract Details

2002, Master of Science (MS), Wright State University, Chemistry.
Fauley, Stacey M. M.S., Department of Chemistry, Wright State University, 2002. Selected Synthetic Studies of NLO pi-Bridges and Thermally Stable Monomers. The molecular weights of two series of PEEK polymers were determined using gel permeation chromatography (GPC). The first series contains oxyalkylene linkages. The other series contains oxyethylene linkages. The synthesis of several thermally stable monomers has been investigated. These monomers include 9,9-dihexylfluorene-2,7-dicarboxaldehyde, 2,7-bis(bromomethyl)-9,9- dibutylfluorene and 2,7-bis(hydroxymethyl)-9,9-diethylfluorene. These monomers can be used to form polymers that will contain short conjugated segments separated by nonconjugated segments. The synthesis of 50 g of each of the following monomers was accomplished: bis(3-methylphenyl) phenylphosphine oxide, bis(4-methylphenyl)phenylphosphine oxide, bis(3- carboxyphenyl)phenylphosphine oxide and bis(4-carboxyphenyl)phenylphosphine oxide. These monomers will be used in a polymerization to form polybenzoxazoles. The synthesis of the NLO pi-bridge 2,10-dibromo-5,6-diphenyl-11,12- dihydroindeno[2.1-a] was accomplished. Alkylation of this compound was attempted, but the results were inconclusive. This project was abandoned due to the consistently low yields. Another NLO pi-bridge that was attempted contained the c-fused system, however, the initial steps also showed consistently low yields. Because of low yields, this project was also abandoned.
William Feld (Advisor)
84 p.
Chemistry, Organic
selected synthetic studies; NLO pi-bridges; thermally stable monomers

Recommended Citations

Citations

  • Fauley, S. M. (2002). Selected Synthetic Studies of NLO pi-Bridges and Thermally Stable Monomers [Master's thesis, Wright State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=wright1033146948

    APA Style (7th edition)

  • Fauley, Stacey. Selected Synthetic Studies of NLO pi-Bridges and Thermally Stable Monomers. 2002. Wright State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=wright1033146948.

    MLA Style (8th edition)

  • Fauley, Stacey. "Selected Synthetic Studies of NLO pi-Bridges and Thermally Stable Monomers." Master's thesis, Wright State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=wright1033146948

    Chicago Manual of Style (17th edition)

wright1033146948
1,188
© 2002, all rights reserved.
This open access ETD is published by Wright State University and OhioLINK.