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substituent |
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substituent [səb′stich·ə·wənt] (organic chemistry) An atom or functional group substituted for another in a chemical structure. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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VP Si 363 is characterized by a free mercapto group on the rubber-active site and a combination of ethoxy groups and polymeric, amphiphilic substituents on the silica-active site. The half-lives of the higher BDEs increased with decreasing number of bromine substituents (Table 3). Also, the R groups can be reactive substituents with terminal functional groups capable of specific chemical reactions, e. |
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