05623080 is referenced by 20 patents and cites 20 patents.

A compound of the formula (I) or (II): ##STR1## where R.sup.1, R.sup.2, R.sup.5 and R.sup.6 are the same or different and represent a hydrogen atom or a halogen atom and R.sup.1 and R.sup.2 may combine to form a ring; R.sup.3, and R.sup.4 are the same or different and represent a hydrogen atom, a halogen atom, a benzoyl group, a group of the formula --L(CH.sub.2).sub.n R.sup.8 where n is 1 to 8, R.sup.8 is a hydrogen, hydroxy, amino, dialkylamino, --COR.sup.16 or --COOR.sup.14 where R.sup.16 is a hydrogen, chlorine, COCl, C.sub.1 -C.sub.8 alkyl, --NR.sub.2 or aryl and R.sup.14 is a hydrogen, C.sub.1 -C.sub.8 alkyl, aryl, COR, 2,4-dinitrophenyl, N-imido or --NR.sub.2 and L is a direct bond or C.dbd.O; W is .dbd.O; W.sup.1 is hydrogen or --OR.sup.9, where R.sup.9 is hydrogen, C.sub.1 -C.sub.8 alkyl, acyl or a group of the formula --(CH.sub.2).sub.n R.sup.10 where n is 1 to 8 and R.sup.10 is amino, dialkylamino, hydroxy, acryloyl or methacryloyl; Y is oxygen, sulfur, selenium, tellurium, C.dbd.O, or >N--R.sup.13 is where R.sup.13 is 4-methylphenyl, and A is hydrogen, alkenyl, dichlorotriazinylamino, or an electron withdrawing group selected from the group consisting of COOR.sup.11, C(O)OCOR.sup.11, CONR.sub.2, CN, NO.sub.2, NCS, NCO, SO.sub.2 R.sup.12, SO.sub.3, R.sup.12, SO.sub.3 R.sup.11, SO.sub.2 NR.sub.2 and CX.sub.3.sup.2 where X.sup.2 is the same or different and is a halogen atom and R.sup.11 is hydrogen, alkyl, aryl, or aralkyl, and R.sup.12 is hydrogen, alkyl, aryl, or aralkyl; provided that when R.sup.1 -R.sup.6 are all hydrogen, A is not hydrogen.

Title
Fluorone and pyronin Y derivatives
Application Number
702886
Publication Number
5623080
Application Date
February 15, 1995
Publication Date
April 22, 1997
Inventor
Jianmin Shi
Webster
NY, US
Douglas C Neckers
Perrysburg
OH, US
Agent
Thompson Hine & Flory
Assignee
Spectra Group
OH, US
IPC
D06P 3/76
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