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Iranian Journal of Chemistry and Chemical Engineering، جلد ۱۴، شماره ۲، صفحات ۸۱-۸۹
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عنوان انگلیسی Effect of Alkyl Substituents on the Hydrogen Bonding and Molecular Structure of Benzophenylhydroxamic Acids Crystal structure of UO2 Complex of p-Isopropylbenzophenylhydroxamic Acid
چکیده انگلیسی مقاله The effect of alkyl substituents on the C-phenyl and/or the N-Phenyl ring of benzophenylhydroxamic acid on their molecular structure and hydrogen bonding has been investigated. The predominant configuration in CHCl3 is determined by steric and electronic effects. Substituents on the C-phenyl ring favor the cis configuration, while substituents in the N-phenyl ring favor a trans configuration. These can be rationalized on the basis of electronic effects. Bulky substituents in the C-phenyl ring give rise to a mixture of cis and trans forms due to steric factors. When substituents are present on the C-phenyl ring and N-phenyl ring the trans configuration is preferred. The crystal and molecular structures of complex of p-isopropylbenzophenylhydroxamic acid have been determined from a single crystal of this complex to elucidate the effect of complexation on the structure of this ligand which exists as a cistrans mixture. Complexation occurs exclusively from the cis configuration.
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نویسندگان مقاله مسعود hojjatie |
strategic metals recovery research facility, department of chemistry, university of arizona, tucson, az 85721

subramaniam muralidharan |
strategic metals recovery research facility, department of chemistry, university of arizona, tucson, az 85721

saswait p bag | p bag
strategic metals recovery research facility, department of chemistry, university of arizona, tucson, az 85721

giris c panda | c panda
strategic metals recovery research facility, department of chemistry, university of arizona, tucson, az 85721

هنری freiser |
strategic metals recovery research facility, department of chemistry, university of arizona, tucson, az 85721

نشانی اینترنتی http://www.ijcce.ac.ir/article_10967_77b9508e0fcd8564585d7da824e4f5cb.pdf
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