<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-20T22:56:32Z</responseDate><request verb="GetRecord" identifier="oai:repository.rice.edu:1911/17394" metadataPrefix="dim">https://repository.rice.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:repository.rice.edu:1911/17394</identifier><datestamp>2024-01-11T20:56:51Z</datestamp><setSpec>com_1911_8299</setSpec><setSpec>col_1911_13110</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="creator">Harmon, Brenda Bacon</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2007-08-21T00:03:18Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2007-08-21T00:03:18Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued">1997</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="citation">Harmon, Brenda Bacon. &amp;quot;The synthesis and polymerization of dicycloproparenes.&amp;quot; (1997) Master’s Thesis,  Rice University.  &amp;lt;a href=&amp;quot;https://hdl.handle.net/1911/17394&amp;quot;&amp;gt;https://hdl.handle.net/1911/17394&amp;lt;/a&amp;gt;.</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="uri">https://hdl.handle.net/1911/17394</dim:field>
   <dim:field mdschema="dc" element="identifier" qualifier="callno">THESIS CHEM. 1997 HARMON</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract">Dicycloproparenes 1 and 2 were synthesized by treating the Diels-Alder adducts of 1-bromo-2-chlorocyclopropene and either 2,3,5,6-tetramethylidene-bicyclo[2.2.2]octane (3) or 1,2,4,5-tetramethylenecyclohexane (4) with potassium t-butoxide in tetrahydrofuran.*
The silver catalyzed polymerization of each dicycloproparene was investigated. The dimers 5a and 5b were observed and isolated at an early stage during the polymerization of dicycloproparene 1.*
The ladder polymer formed by treating the linearly fused dicyclopropanthracene  2 with silver ion in chloroform was characterized by solid state nuclear magnetic resonance spectroscopy. The insoluble dimer of 2 could not be isolated.*
*Please refer to dissertation for diagrams.</dim:field>
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   <dim:field mdschema="dc" element="language" qualifier="iso">eng</dim:field>
   <dim:field mdschema="dc" element="rights">Copyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.</dim:field>
   <dim:field mdschema="dc" element="subject">Organic chemistry</dim:field>
   <dim:field mdschema="dc" element="title">The synthesis and polymerization of dicycloproparenes</dim:field>
   <dim:field mdschema="dc" element="type">Thesis</dim:field>
   <dim:field mdschema="dc" element="type" qualifier="material">Text</dim:field>
   <dim:field mdschema="thesis" element="degree" qualifier="department">Chemistry</dim:field>
   <dim:field mdschema="thesis" element="degree" qualifier="discipline">Natural Sciences</dim:field>
   <dim:field mdschema="thesis" element="degree" qualifier="grantor">Rice University</dim:field>
   <dim:field mdschema="thesis" element="degree" qualifier="level">Masters</dim:field>
   <dim:field mdschema="thesis" element="degree" qualifier="name">Master of Arts</dim:field>
   <dim:field mdschema="others" element="access-status">open.access</dim:field>
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