公开(公告)号：US3644389A

公开(公告)日：1972-02-22

申请号：US3644389D

申请日：1969-05-26

申请人： UGINE KUHLMANN

发明人： SUREAU ROBERT FREDERIC MICHEL ,  ALICOT MARIE-JOSEPHE JEANNE ,  DUPRE VICTOR MARIE

IPC分类号： C09B29/033 ,  C09B29/36 ,  C07D55/04 ,  C07F3/06

CPC分类号： C09B29/0025 ,  C09B29/36 ,  Y10S526/923

摘要： THE PRESENT INVENTION RELATES TO NEW 6-HYDROXY-1,3-DIALKYLBENZOTRIAZOLIUM SALTS OF THE FOLLOWING FORMULA:

1,3-DI(ALKYL-),5-(HO-)BENZOTRIAZOLIUM X(-)

WHEREIN X$ REPRESENTS A MONOVALENT ANION AND THE ALKYL GROUPS IN POSITIONS 1 AND 3 ARE THE SAME OR DIFFERENT.

公开(公告)号：US3557139A

公开(公告)日：1971-01-19

申请号：US3557139D

申请日：1969-01-15

申请人： UGINE KUHLMANN

发明人： SUREAU ROBERT FREDERIC MICHEL ,  DUPRE VICTOR MARIE

IPC分类号： C09B27/00 ,  C09B44/14 ,  C07D49/12 ,  C09B29/36

CPC分类号： C09B44/14 ,  C09B27/00 ,  Y10S8/927

摘要： INDAZOLE COMPOUNDS OF THE FORMULA

1,2-DIALKYL,3-(R-N=)-2,3-DIHYDRO-1H-INDAZOLE

IN WHICH THE ALKYL GROUPS IN THE 1- AND 2-POSITIONS ARE THE SAME OR DIFFERENT AND CONTAIN NO MORE THAN 4 CARBON ATOMS, WHEREIN R REPRESENTS AN OH OR SO3H RADICAL, AND THE NUCLEUS A IS UNSUBSTITUTED OR SUBSTITUTED BY HALOGEN ATOMS OR NITRO GROUPS, MAY BE USED EFFECTIVELY TO PRODUCE 1,2-DIALKYL-3-INDAZOLONE-IMONIUM SALTS WHICH ARE USEFUL AS INDAZOLIUM DYESTUFF INTERMEDIATES.