JPS5562079A - Novel furan compound and its preparation - Google Patents

Novel furan compound and its preparation

Info

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
Application number
JP13538778A
Other languages
Japanese (ja)
Inventor
Takashi Matsuo
Kazuhiro Tsushima
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP13538778A priority Critical patent/JPS5562079A/en
Priority to US06/089,351 priority patent/US4282372A/en
Priority to DE7979104240T priority patent/DE2963855D1/en
Priority to EP79104240A priority patent/EP0010761B1/en
Publication of JPS5562079A publication Critical patent/JPS5562079A/en
Pending legal-status Critical Current

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
JP13538778A 1978-11-01 1978-11-01 Novel furan compound and its preparation Pending JPS5562079A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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