ATA547976A - PROCESS FOR THE PREPARATION OF NEW 5: 6 BENZO-GAMMA-PYRON DERIVATIVES AND THEIR SALT AND ISOMERS - Google Patents

PROCESS FOR THE PREPARATION OF NEW 5: 6 BENZO-GAMMA-PYRON DERIVATIVES AND THEIR SALT AND ISOMERS

Info

Publication number
ATA547976A
ATA547976A AT547976A AT547976A ATA547976A AT A547976 A ATA547976 A AT A547976A AT 547976 A AT547976 A AT 547976A AT 547976 A AT547976 A AT 547976A AT A547976 A ATA547976 A AT A547976A
Authority
AT
Austria
Prior art keywords
benzo
isomers
gamma
salt
preparation
Prior art date
Application number
AT547976A
Other languages
German (de)
Other versions
AT345285B (en
Original Assignee
Erba Carlo Spa
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 IT2477774A external-priority patent/IT1045480B/en
Priority claimed from AT1034174A external-priority patent/AT345830B/en
Application filed by Erba Carlo Spa filed Critical Erba Carlo Spa
Priority to AT547976A priority Critical patent/AT345285B/en
Publication of ATA547976A publication Critical patent/ATA547976A/en
Application granted granted Critical
Publication of AT345285B publication Critical patent/AT345285B/en

Links

AT547976A 1974-07-04 1976-07-26 PROCESS FOR THE PREPARATION OF NEW 5: 6 BENZO-GAMMA-PYRON DERIVATIVES AND THEIR SALT AND ISOMERS AT345285B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT547976A AT345285B (en) 1974-07-04 1976-07-26 PROCESS FOR THE PREPARATION OF NEW 5: 6 BENZO-GAMMA-PYRON DERIVATIVES AND THEIR SALT AND ISOMERS

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT2477774A IT1045480B (en) 1974-07-04 1974-07-04 5,6-Benzo-gamma-pyrone derivs. - as anti-allergic and anti-ulcer agents
IT2524474 1974-07-17
AT1034174A AT345830B (en) 1973-12-27 1974-12-27 PROCESS FOR THE PRODUCTION OF NEW 5: 6-BENZO-GAMMA-PYRON DERIVATIVES OR OF PHARMACEUTICAL SALT AND OPTICAL ISOMERS HIEVON
AT547976A AT345285B (en) 1974-07-04 1976-07-26 PROCESS FOR THE PREPARATION OF NEW 5: 6 BENZO-GAMMA-PYRON DERIVATIVES AND THEIR SALT AND ISOMERS

Publications (2)

Publication Number Publication Date
ATA547976A true ATA547976A (en) 1978-01-15
AT345285B AT345285B (en) 1978-09-11

Family

ID=27422116

Family Applications (1)

Application Number Title Priority Date Filing Date
AT547976A AT345285B (en) 1974-07-04 1976-07-26 PROCESS FOR THE PREPARATION OF NEW 5: 6 BENZO-GAMMA-PYRON DERIVATIVES AND THEIR SALT AND ISOMERS

Country Status (1)

Country Link
AT (1) AT345285B (en)

Also Published As

Publication number Publication date
AT345285B (en) 1978-09-11

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Legal Events

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