JPS54145651A - Naphtho1,8-bcfuran-5-one derivative - Google Patents
Naphtho1,8-bcfuran-5-one derivativeInfo
- Publication number
- JPS54145651A JPS54145651A JP5390778A JP5390778A JPS54145651A JP S54145651 A JPS54145651 A JP S54145651A JP 5390778 A JP5390778 A JP 5390778A JP 5390778 A JP5390778 A JP 5390778A JP S54145651 A JPS54145651 A JP S54145651A
- Authority
- JP
- Japan
- Prior art keywords
- formula
- polyphosphoric acid
- compound
- bcfuran
- naphtho1
- 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
Links
Landscapes
- Furan Compounds (AREA)
- Polymerisation Methods In General (AREA)
Abstract
NEW MATERIAL:A 2-(4-dialkylaminophenyl)naphtho[1,8-bc]furan-5-one of formula I: (R is 1W6C alkyl group).
USE: Photopolymerization initiators which form photopolymerizable compositions with compounds capable of effecting addition polymerization having ethylenically unsaturated double bonds. The compound of formula I can be obtained at a low cost compared with the conventional polymerization initiators.
PROCESS: 0.1W10moles of a p-dialkylaminobenzoic acid of formula II is condensed with one mole of 1,5-dihydroxynaphthalene in a polyphosphoric acid at room temperature to 200°C to give the objective compound of formula I. Polyphosphoric acid consisting mainly of tri- and tetrametaphosphoric acids is generally used.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5390778A JPS54145651A (en) | 1978-05-04 | 1978-05-04 | Naphtho1,8-bcfuran-5-one derivative |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5390778A JPS54145651A (en) | 1978-05-04 | 1978-05-04 | Naphtho1,8-bcfuran-5-one derivative |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54145651A true JPS54145651A (en) | 1979-11-14 |
JPS6155513B2 JPS6155513B2 (en) | 1986-11-28 |
Family
ID=12955779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5390778A Granted JPS54145651A (en) | 1978-05-04 | 1978-05-04 | Naphtho1,8-bcfuran-5-one derivative |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54145651A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6412924U (en) * | 1987-03-28 | 1989-01-24 |
-
1978
- 1978-05-04 JP JP5390778A patent/JPS54145651A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6155513B2 (en) | 1986-11-28 |
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