ATA376683A - METHOD FOR PRODUCING NEW SPIROBENZOFURANONE COMPOUNDS - Google Patents

METHOD FOR PRODUCING NEW SPIROBENZOFURANONE COMPOUNDS

Info

Publication number
ATA376683A
ATA376683A AT376683A AT376683A ATA376683A AT A376683 A ATA376683 A AT A376683A AT 376683 A AT376683 A AT 376683A AT 376683 A AT376683 A AT 376683A AT A376683 A ATA376683 A AT A376683A
Authority
AT
Austria
Prior art keywords
producing new
spirobenzofuranone
compounds
spirobenzofuranone compounds
producing
Prior art date
Application number
AT376683A
Other languages
German (de)
Other versions
AT381938B (en
Original Assignee
Takeda Chemical Industries 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
Priority claimed from JP8055179A external-priority patent/JPS5931511B2/en
Priority claimed from AT0233880A external-priority patent/AT383122B/en
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to AT376683A priority Critical patent/AT381938B/en
Publication of ATA376683A publication Critical patent/ATA376683A/en
Application granted granted Critical
Publication of AT381938B publication Critical patent/AT381938B/en

Links

AT376683A 1979-06-25 1983-10-24 METHOD FOR PRODUCING NEW SPIROBENZOFURANONE COMPOUNDS AT381938B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT376683A AT381938B (en) 1979-06-25 1983-10-24 METHOD FOR PRODUCING NEW SPIROBENZOFURANONE COMPOUNDS

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8055179A JPS5931511B2 (en) 1979-06-25 1979-06-25 Spiro compounds and their production methods
AT0233880A AT383122B (en) 1979-05-04 1980-05-02 METHOD FOR PRODUCING NEW SPIROBENZOFURANONE COMPOUNDS
AT376683A AT381938B (en) 1979-06-25 1983-10-24 METHOD FOR PRODUCING NEW SPIROBENZOFURANONE COMPOUNDS

Publications (2)

Publication Number Publication Date
ATA376683A true ATA376683A (en) 1986-05-15
AT381938B AT381938B (en) 1986-12-10

Family

ID=27148520

Family Applications (1)

Application Number Title Priority Date Filing Date
AT376683A AT381938B (en) 1979-06-25 1983-10-24 METHOD FOR PRODUCING NEW SPIROBENZOFURANONE COMPOUNDS

Country Status (1)

Country Link
AT (1) AT381938B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2557687A1 (en) * 1975-12-20 1977-06-30 Basf Ag PROCESS FOR THE PREPARATION OF LACTONES OF THE TRIPHENYL METHANE SERIES

Also Published As

Publication number Publication date
AT381938B (en) 1986-12-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee