JP2000080078A5 - - Google Patents

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JP2000080078A5
JP2000080078A5 JP1999179478A JP17947899A JP2000080078A5 JP 2000080078 A5 JP2000080078 A5 JP 2000080078A5 JP 1999179478 A JP1999179478 A JP 1999179478A JP 17947899 A JP17947899 A JP 17947899A JP 2000080078 A5 JP2000080078 A5 JP 2000080078A5
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Japan
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group
carbon atoms
general formula
alkyl group
formula
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JP1999179478A
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Japanese (ja)
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JP2000080078A (en
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Description

【特許請求の範囲】
【請求項1】
一般式
【化1】

Figure 2000080078
[式中、Ar1は下記α群から選択される置換分を有してもよい炭素数6乃至10個を有するアリール基を示し、α群は、炭素数1乃至4個を有するアルキル基、炭素数1乃至4個を有するハロゲン化アルキル基、水酸基、ハロゲン原子、炭素数1乃至4個を有するアルコキシ基、炭素数1乃至4個を有するアルキルチオ基、メルカプト基、炭素数1乃至4個を有するアルキルスルホニル基及びスルファモイル基を示す。]で表される化合物。

【請求項2】
一般式
【化2】
Figure 2000080078
[式中、Ar1は下記α群から選択される置換分を有してもよい炭素数6乃至10個を有するアリール基を示し、R1およびR2は同一又は異なって炭素数1乃至6個を有するアルキル基を示すか、又はR1とR2が一緒になって、炭素数1乃至4個のアルキル基で置換されていてもよいトリメチレン基を示し、α群は、炭素数1乃至4個を有するアルキル基、炭素数1乃至4個を有するハロゲン化アルキル基、水酸基、ハロゲン原子、炭素数1乃至4個を有するアルコキシ基、炭素数1乃至4個を有するアルキルチオ基、メルカプト基、炭素数1乃至4個を有するアルキルスルホニル基及びスルファモイル基を示す。]で表される化合物。

【請求項3】
一般式
【化3】
Figure 2000080078
[式中、Ar1は下記α群から選択される置換分を有してもよい炭素数6乃至10個を有するアリール基を示し、α群は、炭素数1乃至4個を有するアルキル基、炭素数1乃至4個を有するハロゲン化アルキル基、水酸基、ハロゲン原子、炭素数1乃至4個を有するアルコキシ基、炭素数1乃至4個を有するアルキルチオ基、メルカプト基、炭素数1乃至4個を有するアルキルスルホニル基及びスルファモイル基を示す。]を有するα、β−不飽和アリールケトンに、塩基存在下、ニトロメタンを作用して、一般式
【化4】
Figure 2000080078
[式中、Ar1は前述したものと同意義を示す。]を有する化合物(1)とし、次いで化合物(1)に塩基を作用し、酸および一般式
1OH、R2OH、又はHO−R1−R2−OH
[式中、R1及びR2は同一又は異なって炭素数1乃至6個を有するアルキル基を示すか、又はR1とR2が一緒になって、炭素数1乃至4個のアルキル基で置換されていてもよいトリメチレン基を示す。]を有するアルコールで処理して、一般式
【化5】
Figure 2000080078
[式中、Ar1、R1およびR2は前述したものと同意義を示す。]を有する化合物(2)とし、最後に得られた化合物(2)に酸性条件下、一般式
Ar2−NH2
[式中、Ar2は下記α群から選択される置換分を有してもよい炭素数6乃至10個を有するアリール基を示し、α群は炭素数1乃至4個を有するアルキル基、炭素数1乃至4個を有するハロゲン化アルキル基、水酸基、ハロゲン原子、炭素数1乃至4個を有するアルコキシ基、炭素数1乃至4個を有するアルキルチオ基、メルカプト基、炭素数1乃至4個を有するアルキルスルホニル基及びスルファモイル基を示す。]を有するアリールアミン類を作用させることを特徴とする一般式
【化6】
Figure 2000080078
[式中、Ar1及びAr2は前述したものと同意義を示す。]を有する化合物の製造法。

【請求項4】
一般式
【化7】
Figure 2000080078
[式中、Ar1は下記α群から選択される置換分を有してもよい炭素数6乃至10個を有するアリール基を示し、α群は、炭素数1乃至4個を有するアルキル基、炭素数1乃至4個を有するハロゲン化アルキル基、水酸基、ハロゲン原子、炭素数1乃至4個を有するアルコキシ基、炭素数1乃至4個を有するアルキルチオ基、メルカプト基、炭素数1乃至4個を有するアルキルスルホニル基及びスルファモイル基を示し、R1及びR2は同一又は異なって炭素数1乃至6個を有するアルキル基を示すか、又はR1とR2が一緒になって、炭素数1乃至4個のアルキル基で置換されていてもよいトリメチレン基を示す。]を有する化合物(2)に酸性条件下、一般式
Ar2−NH2
[式中、Ar2は下記α群から選択される置換分を有してもよい炭素数6乃至10個を有するアリール基を示し、α群は炭素数1乃至4個を有するアルキル基、炭素数1乃至4個を有するハロゲン化アルキル基、水酸基、ハロゲン原子、炭素数1乃至4個を有するアルコキシ基、炭素数1乃至4個を有するアルキルチオ基、メルカプト基、炭素数1乃至4個を有するアルキルスルホニル基及びスルファモイル基を示す。]を有するアリールアミン類を作用させることを特徴とする一般式
【化8】
Figure 2000080078
[式中、Ar1及びAr2は前述したものと同意義を示す。]を有する化合物の製造法。 [Claims]
(1)
General formula
Figure 2000080078
[In the formula, Ar 1 represents an aryl group having 6 to 10 carbon atoms which may have a substituent selected from the following α group, wherein the α group is an alkyl group having 1 to 4 carbon atoms, A halogenated alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a halogen atom, an alkoxy group having 1 to 4 carbon atoms, an alkylthio group having 1 to 4 carbon atoms, a mercapto group, and a 1 to 4 carbon atoms. Alkylsulfonyl group and sulfamoyl group. ] The compound represented by this.

(2)
General formula
Figure 2000080078
[In the formula, Ar 1 represents an aryl group having 6 to 10 carbon atoms which may have a substituent selected from the following α group, and R 1 and R 2 are the same or different and have 1 to 6 carbon atoms. R 1 and R 2 together represent a trimethylene group which may be substituted with an alkyl group having 1 to 4 carbon atoms, and the α group includes 1 to 4 carbon atoms. An alkyl group having 4 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a halogen atom, an alkoxy group having 1 to 4 carbon atoms, an alkylthio group having 1 to 4 carbon atoms, a mercapto group, It represents an alkylsulfonyl group having 1 to 4 carbon atoms and a sulfamoyl group. ] The compound represented by this.

(3)
General formula
Figure 2000080078
[In the formula, Ar 1 represents an aryl group having 6 to 10 carbon atoms which may have a substituent selected from the following α group, wherein the α group is an alkyl group having 1 to 4 carbon atoms, A halogenated alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a halogen atom, an alkoxy group having 1 to 4 carbon atoms, an alkylthio group having 1 to 4 carbon atoms, a mercapto group, a 1 to 4 carbon atoms. Alkylsulfonyl group and sulfamoyl group. Is reacted with nitromethane in the presence of a base to give an α, β-unsaturated aryl ketone having the general formula:
Figure 2000080078
[Wherein, Ar 1 has the same meaning as described above. And then reacting the compound (1) with a base to react with an acid and a general formula R 1 OH, R 2 OH, or HO—R 1 —R 2 —OH.
[Wherein, R 1 and R 2 are the same or different and represent an alkyl group having 1 to 6 carbon atoms, or R 1 and R 2 together form an alkyl group having 1 to 4 carbon atoms. It represents a trimethylene group which may be substituted. ] With an alcohol having the general formula:
Figure 2000080078
[Wherein, Ar 1 , R 1 and R 2 have the same meanings as described above. The compound (2) finally obtained is subjected to the general formula Ar 2 —NH 2 under acidic conditions.
[Wherein, Ar 2 represents an aryl group having 6 to 10 carbon atoms which may have a substituent selected from the following α group, and the α group is an alkyl group having 1 to 4 carbon atoms, Having a halogenated alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a halogen atom, an alkoxy group having 1 to 4 carbon atoms, an alkylthio group having 1 to 4 carbon atoms, a mercapto group, having 1 to 4 carbon atoms It represents an alkylsulfonyl group and a sulfamoyl group. Wherein the arylamine has the general formula:
Figure 2000080078
[Wherein, Ar 1 and Ar 2 have the same meanings as described above. ] A method for producing a compound having the formula:

(4)
General formula
Figure 2000080078
[In the formula, Ar 1 represents an aryl group having 6 to 10 carbon atoms which may have a substituent selected from the following α group, wherein the α group is an alkyl group having 1 to 4 carbon atoms, A halogenated alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a halogen atom, an alkoxy group having 1 to 4 carbon atoms, an alkylthio group having 1 to 4 carbon atoms, a mercapto group, and a 1 to 4 carbon atoms. R 1 and R 2 are the same or different and represent an alkyl group having 1 to 6 carbon atoms, or R 1 and R 2 are taken together to form a C 1 to R 2 It represents a trimethylene group which may be substituted with four alkyl groups. Under acidic conditions under the acidic condition, the compound of the general formula Ar 2 —NH 2
[Wherein, Ar 2 represents an aryl group having 6 to 10 carbon atoms which may have a substituent selected from the following α group, and the α group is an alkyl group having 1 to 4 carbon atoms, Having a halogenated alkyl group having 1 to 4 carbon atoms, a hydroxyl group, a halogen atom, an alkoxy group having 1 to 4 carbon atoms, an alkylthio group having 1 to 4 carbon atoms, a mercapto group, having 1 to 4 carbon atoms It represents an alkylsulfonyl group and a sulfamoyl group. Wherein the arylamine has the general formula:
Figure 2000080078
[Wherein, Ar 1 and Ar 2 have the same meanings as described above. ] A method for producing a compound having the formula:

JP17947899A 1998-07-08 1999-06-25 Production of 4-methyl-1,2-diarylpyrrole and intermediate for synthesizing the same Withdrawn JP2000080078A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17947899A JP2000080078A (en) 1998-07-08 1999-06-25 Production of 4-methyl-1,2-diarylpyrrole and intermediate for synthesizing the same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10-192835 1998-07-08
JP19283598 1998-07-08
JP17947899A JP2000080078A (en) 1998-07-08 1999-06-25 Production of 4-methyl-1,2-diarylpyrrole and intermediate for synthesizing the same

Publications (2)

Publication Number Publication Date
JP2000080078A JP2000080078A (en) 2000-03-21
JP2000080078A5 true JP2000080078A5 (en) 2006-07-20

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4601274B2 (en) * 2002-08-20 2010-12-22 第一三共株式会社 Method for producing γ-ketoacetals
BR0313622A (en) 2002-08-20 2005-06-21 Sankyo Co Process for producing a compound
JP5212177B2 (en) * 2009-02-27 2013-06-19 東レ株式会社 Method for producing γ-ketoacetal compound and pyrrole derivative

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