JPS5645955A - 6-(2,3-dihydroisoindol-2-yl)fluoran compound - Google Patents

6-(2,3-dihydroisoindol-2-yl)fluoran compound

Info

Publication number
JPS5645955A
JPS5645955A JP12062279A JP12062279A JPS5645955A JP S5645955 A JPS5645955 A JP S5645955A JP 12062279 A JP12062279 A JP 12062279A JP 12062279 A JP12062279 A JP 12062279A JP S5645955 A JPS5645955 A JP S5645955A
Authority
JP
Japan
Prior art keywords
lower alkyl
formula
fluoran
dihydroindol
dihydroisoindol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP12062279A
Other languages
Japanese (ja)
Other versions
JPS6224459B2 (en
Inventor
Katsuichi Motohashi
Toshio Ohara
Etsuo Harada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hodogaya Chemical Co Ltd
Original Assignee
Hodogaya Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hodogaya Chemical Co Ltd filed Critical Hodogaya Chemical Co Ltd
Priority to JP12062279A priority Critical patent/JPS5645955A/en
Publication of JPS5645955A publication Critical patent/JPS5645955A/en
Publication of JPS6224459B2 publication Critical patent/JPS6224459B2/ja
Granted legal-status Critical Current

Links

Abstract

NEW MATERIAL:A 6-(2,3-dihydroindol-2-yl)fluoran compound of formula I (wherein R1 is H or lower alkyl; R2 and R3 are H, lower alkyl, benzyl, phenyl or naphthyl, where R2 and R3 may form a heterocyclic ring together with bonded N).
EXAMPLE: 2-Amino-6-(2,3-dihydroindol-2-yl)fluoran.
USE: A pigment for a recording material such as pressure-sensitive copying paper or hectographic carbon paper.
PREPARATION: An aniline derivative of formula II (wherein R is H or lower alkyl) is reacted with a benzoyl benzoate of formula III (wherein R' is R) in the presence of concentrated sulfuric acid at 0W80°C for several hr.
COPYRIGHT: (C)1981,JPO&Japio
JP12062279A 1979-09-21 1979-09-21 6-(2,3-dihydroisoindol-2-yl)fluoran compound Granted JPS5645955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12062279A JPS5645955A (en) 1979-09-21 1979-09-21 6-(2,3-dihydroisoindol-2-yl)fluoran compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12062279A JPS5645955A (en) 1979-09-21 1979-09-21 6-(2,3-dihydroisoindol-2-yl)fluoran compound

Publications (2)

Publication Number Publication Date
JPS5645955A true JPS5645955A (en) 1981-04-25
JPS6224459B2 JPS6224459B2 (en) 1987-05-28

Family

ID=14790784

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12062279A Granted JPS5645955A (en) 1979-09-21 1979-09-21 6-(2,3-dihydroisoindol-2-yl)fluoran compound

Country Status (1)

Country Link
JP (1) JPS5645955A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5069138A (en) * 1973-10-08 1975-06-09
JPS5069137A (en) * 1973-10-08 1975-06-09
US8110681B2 (en) 2006-03-17 2012-02-07 The United States Of America As Represented By The Secretary, Department Of Health And Human Services Compounds for the treatment of spinal muscular atrophy and other uses

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5069138A (en) * 1973-10-08 1975-06-09
JPS5069137A (en) * 1973-10-08 1975-06-09
JPS5829825B2 (en) * 1973-10-08 1983-06-24 株式会社クラレ Taisui Seisei Setuchi Yakuzai
JPS5829826B2 (en) * 1973-10-08 1983-06-24 株式会社クラレ Taisui Seisei Setuchi Yakuzai
US8110681B2 (en) 2006-03-17 2012-02-07 The United States Of America As Represented By The Secretary, Department Of Health And Human Services Compounds for the treatment of spinal muscular atrophy and other uses

Also Published As

Publication number Publication date
JPS6224459B2 (en) 1987-05-28

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