JPH0326189B2 - - Google Patents

Info

Publication number
JPH0326189B2
JPH0326189B2 JP58058179A JP5817983A JPH0326189B2 JP H0326189 B2 JPH0326189 B2 JP H0326189B2 JP 58058179 A JP58058179 A JP 58058179A JP 5817983 A JP5817983 A JP 5817983A JP H0326189 B2 JPH0326189 B2 JP H0326189B2
Authority
JP
Japan
Prior art keywords
group
formula
hydrogen atom
lower alkyl
dihydro
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.)
Expired - Lifetime
Application number
JP58058179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59184174A (ja
Inventor
Manzo Shiono
Yoshiji Fujita
Takuji Nishida
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.)
Kuraray Co Ltd
Original Assignee
Kuraray 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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP58058179A priority Critical patent/JPS59184174A/ja
Priority to US06/552,068 priority patent/US4523024A/en
Priority to CA000441762A priority patent/CA1203809A/en
Priority to DE8383111849T priority patent/DE3380490D1/de
Priority to EP83111849A priority patent/EP0113042B1/en
Publication of JPS59184174A publication Critical patent/JPS59184174A/ja
Publication of JPH0326189B2 publication Critical patent/JPH0326189B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Anti-Oxidant Or Stabilizer Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Pyrane Compounds (AREA)
JP58058179A 1982-11-26 1983-04-01 ３，４−ジヒドロ−２ｈ−ベンゾピラン誘導体及びその製造方法 Granted JPS59184174A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58058179A JPS59184174A (ja) 1983-04-01 1983-04-01 ３，４−ジヒドロ−２ｈ−ベンゾピラン誘導体及びその製造方法
US06/552,068 US4523024A (en) 1982-11-26 1983-11-15 3,4-Dihydro-2H-benzopyran derivatives, a method of producing them, a method of using them as stabilizers for organic materials, and organic compositions containing such stabilizers
CA000441762A CA1203809A (en) 1982-11-26 1983-11-23 3,4-dihydro-2h-benzopyran derivatives, a method of producing them, a method of using them as stabilizers for organic materials, and organic compositions containing such stabilizers
DE8383111849T DE3380490D1 (en) 1982-11-26 1983-11-25 3,4-dihydro-2h-benzopyran derivatives, a method of producing them, a method of using them as stabilizers for organic materials, and organic compositions containing such stabilizers
EP83111849A EP0113042B1 (en) 1982-11-26 1983-11-25 3,4-dihydro-2h-benzopyran derivatives, a method of producing them, a method of using them as stabilizers for organic materials, and organic compositions containing such stabilizers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58058179A JPS59184174A (ja) 1983-04-01 1983-04-01 ３，４−ジヒドロ−２ｈ−ベンゾピラン誘導体及びその製造方法

Publications (2)

Publication Number Publication Date
JPS59184174A JPS59184174A (ja) 1984-10-19
JPH0326189B2 true JPH0326189B2 (zh) 1991-04-10

Family

ID=13076774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58058179A Granted JPS59184174A (ja) 1982-11-26 1983-04-01 ３，４−ジヒドロ−２ｈ−ベンゾピラン誘導体及びその製造方法

Country Status (1)

Country Link
JP (1) JPS59184174A (zh)

Also Published As

Publication number Publication date
JPS59184174A (ja) 1984-10-19

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