JPS5562079A - Novel furan compound and its preparation - Google Patents
Novel furan compound and its preparationInfo
- Publication number
- JPS5562079A JPS5562079A JP13538778A JP13538778A JPS5562079A JP S5562079 A JPS5562079 A JP S5562079A JP 13538778 A JP13538778 A JP 13538778A JP 13538778 A JP13538778 A JP 13538778A JP S5562079 A JPS5562079 A JP S5562079A
- Authority
- JP
- Japan
- Prior art keywords
- furan compound
- preparation
- alkyl
- formula
- alkynyl
- 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.)
- Pending
Links
Abstract
NEW MATERIAL:A furan compound of formula I [R1 is H, alkyl, alkenyl, alkynyl or phenyl; R2 is alkyl, alkenyl, alkynyl, or the group of formula II (R4 is H, methyl or halogen); R3 is alkyl].
USE: Intermediate of pesticides and medicines. A raw material for the economical preparation of cyclopentenolones which are snythetic intermediates of the alcohol moiety of an insecticide, allethrin.
PROCESS: The furan compound I is prepared by reacting a compound III with Cl2 or Br2 in an alcohol of formula R3-OH.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13538778A JPS5562079A (en) | 1978-11-01 | 1978-11-01 | Novel furan compound and its preparation |
US06/089,351 US4282372A (en) | 1978-11-01 | 1979-10-30 | Process for producing cyclopentenolones |
DE7979104240T DE2963855D1 (en) | 1978-11-01 | 1979-10-31 | Process for preparing 4-hydroxy-2-cyclopenten-i-ones, 2-methyl-2,5-dimethoxy-2,5-dihydrofurans and a process for their preparation |
EP79104240A EP0010761B1 (en) | 1978-11-01 | 1979-10-31 | Process for preparing 4-hydroxy-2-cyclopenten-i-ones, 2-methyl-2,5-dimethoxy-2,5-dihydrofurans and a process for their preparation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13538778A JPS5562079A (en) | 1978-11-01 | 1978-11-01 | Novel furan compound and its preparation |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5562079A true JPS5562079A (en) | 1980-05-10 |
Family
ID=15150507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13538778A Pending JPS5562079A (en) | 1978-11-01 | 1978-11-01 | Novel furan compound and its preparation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5562079A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5938392A (en) * | 1982-08-26 | 1984-03-02 | Sumitomo Chem Co Ltd | Manufacture of 2-propargyl-3-methyl-4-hydroxy-2- cyclopentenone |
-
1978
- 1978-11-01 JP JP13538778A patent/JPS5562079A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5938392A (en) * | 1982-08-26 | 1984-03-02 | Sumitomo Chem Co Ltd | Manufacture of 2-propargyl-3-methyl-4-hydroxy-2- cyclopentenone |
JPH0585535B2 (en) * | 1982-08-26 | 1993-12-07 | Sumitomo Chemical Co |
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