JP2007269785A5 - - Google Patents

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JP2007269785A5
JP2007269785A5 JP2007055030A JP2007055030A JP2007269785A5 JP 2007269785 A5 JP2007269785 A5 JP 2007269785A5 JP 2007055030 A JP2007055030 A JP 2007055030A JP 2007055030 A JP2007055030 A JP 2007055030A JP 2007269785 A5 JP2007269785 A5 JP 2007269785A5
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substituent
value
electron
constant
rule
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JP2007055030A
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JP2007269785A (en
JP5103949B2 (en
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さらに、Ar〜Arが置換基を有する場合、その置換基としては、1以上10以下の炭素原子を有し、かつHammett則における置換基定数σが0.20以下である置換基が好ましい。その置換基はヘテロ原子を有していてもよい。ここで、Hammett則は、芳香族化合物における置換基が芳香環の電子状態に与える効果を説明するために用いられる経験則であって、置換ベンゼンの置換基定数σは、置換基の電子供与/引の程度を定量化した値といえる。σ値が正であれば置換安息香酸の方が無置換のものより酸性が強い、つまり電子引性置換基となる。逆にσ値が負であると電子供与性置換基となる。表1は、代表的な置換基のσ値である(日本化学会編、「化学便覧 基礎編II 改訂4版」、丸善株式会社、平成5年9月30日発行、p.364〜365)。
Further, when Ar 1 to Ar 4 have a substituent, the substituent includes a substituent having 1 to 10 carbon atoms and having a substituent constant σ P in the Hammett rule of 0.20 or less. preferable. The substituent may have a hetero atom. Here, the Hammett rule is an empirical rule used to explain the effect of a substituent in an aromatic compound on the electronic state of the aromatic ring, and the substituent constant σ P of the substituted benzene is the electron donation of the substituent. / the extent of the required argument it can be said that the quantified value. sigma P value is more of substituted benzoic acid if positive acidic is stronger than that of the unsubstituted, that is, electron-withdrawing substituents. Conversely, when the σ P value is negative, an electron donating substituent is formed. Table 1 shows σ P values of typical substituents (The Chemical Society of Japan, “Chemical Handbook, Basic Edition II, 4th revised edition”, Maruzen Co., Ltd., published on September 30, 1993, p.364-365. ).

Figure 2007269785
Figure 2007269785

JP2007055030A 2006-03-07 2007-03-06 Hydrazone compound, electrophotographic photoreceptor and image forming apparatus Active JP5103949B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007055030A JP5103949B2 (en) 2006-03-07 2007-03-06 Hydrazone compound, electrophotographic photoreceptor and image forming apparatus

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Application Number Priority Date Filing Date Title
JP2006061649 2006-03-07
JP2006061649 2006-03-07
JP2007055030A JP5103949B2 (en) 2006-03-07 2007-03-06 Hydrazone compound, electrophotographic photoreceptor and image forming apparatus

Publications (3)

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JP2007269785A JP2007269785A (en) 2007-10-18
JP2007269785A5 true JP2007269785A5 (en) 2010-01-07
JP5103949B2 JP5103949B2 (en) 2012-12-19

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JP2007055030A Active JP5103949B2 (en) 2006-03-07 2007-03-06 Hydrazone compound, electrophotographic photoreceptor and image forming apparatus

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5767940A (en) * 1980-10-15 1982-04-24 Konishiroku Photo Ind Co Ltd Electrophotographic receptor
JPS62244060A (en) * 1986-04-17 1987-10-24 Canon Inc Electrophotographic sensitive body
JP2000214611A (en) * 1999-01-25 2000-08-04 Kyocera Mita Corp Electrophotographic photoreceptor
JP4997755B2 (en) * 2005-02-17 2012-08-08 三菱化学株式会社 Electrophotographic photosensitive member and image forming apparatus using bishydrazone compound having triarylamine skeleton

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