EP0156250A2
Expired / Lapsed
EP
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Fluoran compounds
Assignee: Hodogaya Chemical Co Ltd
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Filing: 1985-03-13
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Granted: —
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Expires: 2005-03-13
Abstract
Abstract A fluoran compound having the formula: wherein each of R, and R 2 is a hydrogen atom, a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cyclohexyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, Q is (wherein X is a hydrogen atom, a halogen atom, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms),-CH 2 (wherein X is as defined above), or -(CH2)nOR4 (wherein R4 is a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cycloalkyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, and n is an integer of from 1 to 8), and R 3 is a hydrogen atom, a halogen atom, a lower fluoralkyl group, an acyl group, an alkoxy group, an alkoxyalkyl group, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms.
Inventors
- 👤 Mitsutoshi Anzai
- 👤 Masahiko Yamaguchi
- 👤 Kazuy Yuki Wakasugi
- 👤 Susumu Suzuka
- 👤 Michihiro Gonda
- 👤 Toshiyuki Abe
- 👤 Katsumasa Kikkawa
- 👤 Mikiko Kanasugi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 03:31
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/30; B41M5/323; B41M5/327; B41M5/3275; C; C07; C07D; C07D493/00; C07D493/02; C07D493/10
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
169 words
A fluoran compound having the formula: wherein each of R 1 and R 2 is a hydrogen atom, a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cyclohexyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, Q is (wherein X is a hydrogen atom, a halogen atom, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms), (wherein X is as defined above), or -(CH 2 ) n OR 4 (wherein R 4 is a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cycloalkyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, and n is an integer of from 1 to 8), and R 3 is a hydrogen atom, a halogen atom, a lower fluoroalkyl group, an acyl group, an alkoxy group, an alkoxyalkyl group, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms.
Claim 2
Dependent Claim
169 words
A fluoran compound having the formula: wherein each of R 1 and R 2 is a hydrogen atom, a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cyclohexyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, Q is (wherein X is a hydrogen atom, a halogen atom, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms), (wherein X is as defined above), or -(CH 2 ) n OR 4 (wherein R 4 is a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cycloalkyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, and n is an integer of from 1 to 8), and R 3 is a hydrogen atom, a halogen atom, a lower fluoroalkyl group, an acyl group, an alkoxy group, an alkoxyalkyl group, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms.
Claim 3
Dependent Claim
130 words
The fluoran compound according to Claim 1, wherein R 1 is -C 2 H 5 , -C 4 H 9 , -C 6 H 13 , -C 8 H 17 , or ; R 2 is -CH 3 , -C 2 H 5 , -C 4 H 9 , -CH(CH 3 ) 2 , or i-C 5 H 11 ; R 3 is -H, 2-Cl, 2-F, 4-CH 2 OC 2 H 5 , 4-CH 3 , or 2-CF 3 ; and Q is -(CH 2 ) n OR 4 (wherein R 4 is -CH 3 , -C 2 H 5 , n-C 3 H 7 , -C 4 H 9 , -CH(CH 3 ) 2 , -C 8 H 17 , or and n is 1, 2, 3 or 4).
Claim 4
Dependent Claim
81 words
The fluoran compound according to Claim 1, wherein R 1 is -C 2 H 5 , i-C 3 H 7 , n-C 4 H 9 , R 2 is -CH 3 , -C 2 H 5 , n-C 4 H 9 , or i-C 5 H 11 ; R 3 is -H, 2-Cl, 4-Cl, 2-CH 3 , 4-CH 3 , or 2-F; and Q is (wherein X is -H, 2-C 2 H 5 , 4-C 2 H 5 , or 2-Cl).
Claim 5
Dependent Claim
119 words
The fluoran compound according to Claim 1, wherein R 1 is -C 2 H 5 , n-C 3 H 7 , i-C 3 H 7 , n-C 4 H 9 , sec-C 4 H 9 , i-C 5 H 11' -C 2 H 4 OC 2 H 5 , or -C 3 H 6 OC 2 H 5 ; R 2 is -CH 3 , -C 2 H 5 , -C 3 H 7 , n-C 4 H 9 , Sec-C 4 H 9 , i-C 5 H 11 , or ; R 3 is -H, 2-Cl, 2-F, 2-CH 3 , or 4-C H 3 ; Q is - (wherein X is -H, 4-CH 3 , 4-Cl, or 4-F).
Claim 6
Dependent Claim
222 words
A process for producing a fluoran compound having a formula: wherein each of R 1 and R 2 is a hydrogen atom, a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cyclohexyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, Q is (wherein X is a hydrogen atom, a halogen atom, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms), (wherein X is as defined above), or -(CH 2 ) n OR 4 (wherein R 4 is a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cycloalkyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, and n is an integer of from 1 to 8), and R 3 is a hydrogen atom, a halogen atom, a lower fluoroalkyl group, an acyl group, an alkoxy group, an alkoxyalkyl group, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms, which comprises reacting a diphenylamine derivative having the formula: wherein Q and R are as defined above, and R 5 is a hydrogen atom, an acetyl group, or a lower alkyl group, with a benzophenone derivative having the formula: wherein R 1 and R 2 are as defined above.
Claim 7
Dependent Claim
222 words
A process for producing a fluoran compound having a formula: wherein each of R 1 and R 2 is a hydrogen atom, a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cyclohexyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, Q is (wherein X is a hydrogen atom, a halogen atom, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms), (wherein X is as defined above), or -(CH 2 ) n OR 4 (wherein R 4 is a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cycloalkyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, and n is an integer of from 1 to 8), and R 3 is a hydrogen atom, a halogen atom, a lower fluoroalkyl group, an acyl group, an alkoxy group, an alkoxyalkyl group, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms, which comprises reacting a diphenylamine derivative having the formula: wherein Q and R are as defined above, and R 5 is a hydrogen atom, an acetyl group, or a lower alkyl group, with a benzophenone derivative having the formula: wherein R 1 and R 2 are as defined above.
Claim 8
Dependent Claim
28 words
The process according to Claim 5, wherein the reaction is conducted in the presence of 80-100% sulfuric acid at a temperature of from 0 to 80° C .
Claim 9
Dependent Claim
180 words
A heat sensitive record sheet which comprises a coated layer comprising a fluoran compound having the formula: wherein each of R 1 and R 2 is a hydrogen atom, a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cyclohexyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, Q is (wherein X is a hydrogen atom, a halogen atom, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms), - (wherein X is as defined above), or -(CH 2 ) n OR 4 (wherein R 4 is a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cycloalkyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, and n is an integer of from 1 to 8), and R 3 is a hydrogen atom, a halogen atom, a lower fluoroalkyl group, an acyl group, an alkoxy group, an alkoxyalkyl group, or a straight chain or branched-alkyl group having from 1 to 8 carbon atoms.
Claim 10
Dependent Claim
180 words
A heat sensitive record sheet which comprises a coated layer comprising a fluoran compound having the formula: wherein each of R 1 and R 2 is a hydrogen atom, a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cyclohexyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, Q is (wherein X is a hydrogen atom, a halogen atom, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms), - (wherein X is as defined above), or -(CH 2 ) n OR 4 (wherein R 4 is a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cycloalkyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, and n is an integer of from 1 to 8), and R 3 is a hydrogen atom, a halogen atom, a lower fluoroalkyl group, an acyl group, an alkoxy group, an alkoxyalkyl group, or a straight chain or branched-alkyl group having from 1 to 8 carbon atoms.
References Cited (Backward Citations)
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