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AT334896B - PROCESS FOR PREPARING NEW 1-OXO-1H-NAPHTHO (2,1-B) PYRANDERIVATIVES - Google Patents

PROCESS FOR PREPARING NEW 1-OXO-1H-NAPHTHO (2,1-B) PYRANDERIVATIVES

Info

Publication number
AT334896B
AT334896B AT677974A AT677974A AT334896B AT 334896 B AT334896 B AT 334896B AT 677974 A AT677974 A AT 677974A AT 677974 A AT677974 A AT 677974A AT 334896 B AT334896 B AT 334896B
Authority
AT
Austria
Prior art keywords
pyranderivatives
naphtho
oxo
preparing new
preparing
Prior art date
Application number
AT677974A
Other languages
German (de)
Other versions
ATA677974A (en
Inventor
Norina Passerini
Aldo Ermili
Giorgio Roma
Alessandro Balbi
Mauro Mazzei
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
Application filed by Erba Carlo Spa filed Critical Erba Carlo Spa
Publication of ATA677974A publication Critical patent/ATA677974A/en
Application granted granted Critical
Publication of AT334896B publication Critical patent/AT334896B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/92—Naphthopyrans; Hydrogenated naphthopyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyrane Compounds (AREA)
AT677974A 1973-09-28 1974-08-20 PROCESS FOR PREPARING NEW 1-OXO-1H-NAPHTHO (2,1-B) PYRANDERIVATIVES AT334896B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2948573 1973-09-28

Publications (2)

Publication Number Publication Date
ATA677974A ATA677974A (en) 1976-06-15
AT334896B true AT334896B (en) 1977-02-10

Family

ID=11227067

Family Applications (1)

Application Number Title Priority Date Filing Date
AT677974A AT334896B (en) 1973-09-28 1974-08-20 PROCESS FOR PREPARING NEW 1-OXO-1H-NAPHTHO (2,1-B) PYRANDERIVATIVES

Country Status (8)

Country Link
JP (1) JPS5059375A (en)
AT (1) AT334896B (en)
CH (1) CH610320A5 (en)
DK (1) DK509174A (en)
FI (1) FI259574A (en)
NL (1) NL7412728A (en)
NO (1) NO743479L (en)
SE (1) SE7412036L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183649A1 (en) * 1984-11-26 1986-06-04 Ciba-Geigy Ag Nitrogen derivatives from oxo compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183649A1 (en) * 1984-11-26 1986-06-04 Ciba-Geigy Ag Nitrogen derivatives from oxo compounds

Also Published As

Publication number Publication date
SE7412036L (en) 1975-04-01
CH610320A5 (en) 1979-04-12
DK509174A (en) 1975-06-02
JPS5059375A (en) 1975-05-22
ATA677974A (en) 1976-06-15
NO743479L (en) 1975-04-28
FI259574A (en) 1975-03-29
NL7412728A (en) 1975-04-02

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Legal Events

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