Composite Materials with Improved Properties in Compression: Synthesis and Dimerization 2,3-Dimethyl-5-Silaspiro(4.4)nona-2,7-diene

Abstract

Unsymmetrical 2,3-dimethyl-5-silaspiro)4,4)nona-2,7-diene (I) has been prepared by a dissolving metal reaction between 1,1-dichloro-1- silacyclopent-3-ene (III) and 2,3-dimethyl-1,3-butadiene. Ring opening reactions of I catalyzed by alkyllithium reagents and hexamethylphosphoramide (HMPA) have been explored. Keywords: Dimerization of 2,3-dimethyl-5-silaspiro(4.4)nona-2,7- diene, 5,10-Disiladispiro)4,4,4,4)octadeca-2,7,12,16-tetraene, Structure by x-ray crystallography, Organometallic compounds, Composite materials.

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Document Details

Document Type
Technical Report
Publication Date
May 09, 1990
Accession Number
ADA222552

Entities

People

  • Dong Zhao
  • Georges Manuel
  • Robert Bau
  • Stephen Q. Zhou
  • Young T. Park

Organizations

  • University of Southern California

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Butadienes
  • Chemical Synthesis
  • Chemistry
  • Composite Materials
  • Crystals
  • Dienes
  • Dissolving
  • Materials
  • Materials Laboratories
  • Materials Processing
  • Materials Science
  • Metals
  • Molecules
  • Reflection
  • Resonance
  • X Rays
  • X-Ray Crystallography

Fields of Study

  • Chemistry

Readers

  • Organic Chemistry
  • Reinforced Composite Materials