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Synthesis and conformational assignment of N-(E)- stilbenyloxymethylenecarbonyl-substituted hydrazones of acetone and o-(m-and p-) chloro- (nitro-) benzaldehydes by means of 1H and 13C NMR spectroscopy
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نویسنده
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patorski p. ,wyrzykiewicz e. ,bartkowiak g.
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منبع
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journal of spectroscopy - 2013 - دوره : 2013 - - کد همایش:
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چکیده
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Eighteen new n-(e)-stilbenyloxyalkylcarbonyl-substituted hydrazones of ortho- (meta- and para-) chloro- (nitro-) benzaldehydes 1-18 and two analogous hydrazones of acetone 19-20 were prepared. the stereochemical behavior of 1-18 in dimethyl-dsulfoxide solution has been studied by h 1 nmr and c 13 nmr techniques,using spectral data of 19 and 20 as supporting material. the e-geometrical isomers and cis-/trans-amide conformers have been found for these hydrazones. energy barriers of isomers are reported. © 2013 przemysław patorski et al.
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آدرس
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faculty of chemistry,adam mickiewicz university,grunwaldzka 6, Poland, faculty of chemistry,adam mickiewicz university,grunwaldzka 6, Poland, faculty of chemistry,adam mickiewicz university,grunwaldzka 6, Poland
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Authors
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