FULGIMIDE COMPOUNDS, USE OF THEM, AND COMPOSITIONS CONTAINING THE SAME

Title:

FULGIMIDE COMPOUNDS, USE OF THEM, AND COMPOSITIONS CONTAINING THE SAME

Document Type and Number:

WIPO Patent Application WO/1998/029414

Kind Code:

A1

Abstract:

Novel fulgimide compounds substituted on the nitrogen atom constituting the imide ring with a phenyl group having an electron attractive group at least at one of the m-positions, which are represented by general formula (I), wherein the group of general formula (a) is an optionally substituted divalent aromatic hydrocarbon or unsaturated heterocyclic group; the group of general formula (b) is an optionally substituted norbornylidene, bicyclo[3.3.1]nonylidene or adamantylidene group; and R?2� is an electron attractive group; and the use of them as photochromic material. The fulgimide compounds develop colors in higher densities than those of the photochromic compounds of the prior art.

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Inventors:

NAGOH HIRONOBU (JP)
MOMODA JUNJI (JP)
TANIZAWA TSUNEYOSHI (JP)

Application Number:

PCT/JP1997/004876

Publication Date:

July 09, 1998

Filing Date:

December 26, 1997

Export Citation:

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Assignee:

TOKUYAMA CORP (JP)
NAGOH HIRONOBU (JP)
MOMODA JUNJI (JP)
TANIZAWA TSUNEYOSHI (JP)

International Classes:

C07D491/107; C07D495/10; C09K9/02; G03C1/73; (IPC1-7): C07D491/107; C07D495/04; C09K9/02; G03C1/73

Foreign References:

JPS60155179A	1985-08-15
JPH0228154A	1990-01-30
JPS6438063A	1989-02-08

Other References: