3-取代基-4-甲醛基雪梨酮之極譜及紫外線吸收光譜之研究

Chia Nan University of Pharmacy & Science Institutional Repository > 嘉南學報 > 13期 (1987) > Item 310902800/24400

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標題:	3-取代基-4-甲醛基雪梨酮之極譜及紫外線吸收光譜之研究 Polarographic and UV Spectrophotometric Studies of 3-Substituted-4-Formylsydnones
作者:	田憲儒王來好葉茂榮
貢獻者:	成功大學化學研究所
日期:	1987
上傳時間:	2011-10-24 14:27:26 (UTC+8)
摘要:	本研究係利用極譜儀研究五種3一取代基一4一甲醛基雪梨酮在滴汞電極(dropping mercury electrode )之還原現象 ; 包括酸度，反應物濃度，溶劑與支持電解質等對還原行為之影響。並由半波電位，極限電流與pH值之關係，探討在電極的反應機構。由極譜法與紫外線吸收光譜法證實3一取代基一4一甲醛基雪梨酮的還原電位符合修飾過的Hammett式。 The reducing behavious of five 3-substituted-y-formylsydnones were studied with dropping mercury electrode including the influences of acidity, concentration, solvent and supporting electolyte. And the possible reaction mechanisms were discussed by the relations of half-wave potentials, limiting current and pH-values. According to the results of the polarographic and UV spectrophotometric methods,the reducing potentials of 3-substituted-4-formylsydnones obey the modified Hammett equation.
關聯:	嘉南學報 13： A48-A58 轉載化學 44(4) : p.132-142 (1986)
顯示於類別:	[嘉南學報] 13期 (1987)

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