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公开(公告)号：BR7606328A
公开(公告)日：1977-05-31
申请号：BR7606328
申请日：1976-09-23
Applicant: HOECHST AG
Inventor： SPIETSCHKA E , KIRSCH A , FUCHS O
IPC: C07B61/00 , B01J27/00 , B01J31/00 , B01J31/04 , C07C67/00 , C07C227/00 , C07C227/08 , C07C227/16 , C07C227/18 , C07C229/62 , C07C101/68
Abstract: 2,5-Diarylamino terephthalates are obtained in good yields and excellent purity when the aromatic nitro compound used for oxidizing the corresponding dihydro-2,5-diarylamino terephthalate contains the aromatic radical of said diarylamino groups, i.e. when the amine formed during the oxidation is that from which said diarylamino groups device. The products yield very pure quinacridone pigments and allow the synthesis of only one isomer of substituted quinacridones.
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公开(公告)号：IN139789B
公开(公告)日：1976-07-31
申请号：IN2123CA1973
申请日：1973-09-17
Applicant: HOECHST AG
IPC: C07D471/16 , C09B57/12 , D06P1/16 , C07C119/06
Abstract: Process for preparing naphthoylene-arylimidazo-peri-dicarboxylic acid-imide-compounds of the formula WHEREIN R1 is hydrogen, hydroxy or amino, phenyl, alkyl having 1 to 8 carbon atoms, hydroxyalkyl, alkoxyalkyl, amino-alkyl, mono- or dialkylaminoalkyl, hydroxyalkoxyalkyl, alkoxyalkoxyalkyl, carbalkoxyalkyl, carboxylalkyl or phenyl-alkyl having each 1 to 6, preferably 1 to 4 carbon atoms in the alkyl or alkoxy portion and R is hydrogen or halogen, alkyl, alkoxy, carbalkoxy having each 1 to 4 carbon atoms, nitro, cyano, carbonamido, mono- or dialkylcarbonamido or sulfonamido, mono- or dialkylsulfonamido and n represents the integers 1 to 3, in which process naphthalimide-4,5-dicarboxylic acids of the general formula OR THE ANHYDRIDE THEREOF ARE CONDENSED IN AN AQUEOUS MEDIUM WITH A DIAMINE OF THE GENERAL FORMULA AT TEMPERATURES OF FROM 80 DEG TO 160 DEG C. R1, R and n having the above meanings.
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公开(公告)号：BR7307283D0
公开(公告)日：1974-08-29
申请号：BR728373
申请日：1973-09-19
Applicant: HOECHST AG
IPC: C07D471/16 , C09B57/12 , D06P1/16 , C09B57/00
Abstract: Process for preparing naphthoylene-arylimidazo-peri-dicarboxylic acid-imide-compounds of the formula WHEREIN R1 is hydrogen, hydroxy or amino, phenyl, alkyl having 1 to 8 carbon atoms, hydroxyalkyl, alkoxyalkyl, amino-alkyl, mono- or dialkylaminoalkyl, hydroxyalkoxyalkyl, alkoxyalkoxyalkyl, carbalkoxyalkyl, carboxylalkyl or phenyl-alkyl having each 1 to 6, preferably 1 to 4 carbon atoms in the alkyl or alkoxy portion and R is hydrogen or halogen, alkyl, alkoxy, carbalkoxy having each 1 to 4 carbon atoms, nitro, cyano, carbonamido, mono- or dialkylcarbonamido or sulfonamido, mono- or dialkylsulfonamido and n represents the integers 1 to 3, in which process naphthalimide-4,5-dicarboxylic acids of the general formula OR THE ANHYDRIDE THEREOF ARE CONDENSED IN AN AQUEOUS MEDIUM WITH A DIAMINE OF THE GENERAL FORMULA AT TEMPERATURES OF FROM 80 DEG TO 160 DEG C. R1, R and n having the above meanings.
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Patent Agency Ranking
公开(公告)号：BR7906237A
公开(公告)日：1980-05-27
申请号：BR7906237
申请日：1979-09-28
Applicant: HOECHST AG
IPC: C07D221/00 , C07D471/00 , C07D471/04 , C08K5/34 , C09B48/00 , C09B67/00
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公开(公告)号：SE7807656A
公开(公告)日：1979-01-10
申请号：SE7807656
申请日：1978-07-07
Applicant: HOECHST AG
Inventor： DIETZ E , FUCHS O , GUTBROD R , KROH A , MAIKOWSKI M
CPC classification number: C09B67/006 , C09D17/003
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