DK174775A - Chromoner, fremgangsmade til fremstilling deraf samt salte deraf - Google Patents

Chromoner, fremgangsmade til fremstilling deraf samt salte deraf

Info

Publication number: DK174775A
Authority: DK; Denmark
Prior art keywords: chromons; salts; manufacturing methods; manufacturing; methods
Prior art date: 1974-05-30

Application number

DK174775A

Other languages

English (en)

Inventor

A Rossi

G Haas

Original Assignee

Ciba Geigy Ag

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.)

1974-05-30

Filing date

1975-04-23

Publication date

1975-12-01

1975-04-23 Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag

1975-12-01 Publication of DK174775A publication Critical patent/DK174775A/da

Links

238000004519 manufacturing process Methods 0.000 title 1

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
- 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
- C07D311/94—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 condensed with rings other than six-membered or with ring systems containing such rings

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pyrane Compounds (AREA)
Plural Heterocyclic Compounds (AREA)

DK174775A 1974-05-30 1975-04-23 Chromoner, fremgangsmade til fremstilling deraf samt salte deraf DK174775A (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH745474		1974-05-30
CH443775		1975-04-08

Publications (1)

Publication Number	Publication Date
DK174775A true DK174775A (da)	1975-12-01

Family

ID=25695470

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK174775A DK174775A (da)	1974-05-30	1975-04-23	Chromoner, fremgangsmade til fremstilling deraf samt salte deraf

Country Status (6)

Country	Link
JP (1)	JPS511476A (da)
DE (1)	DE2523194A1 (da)
DK (1)	DK174775A (da)
FR (1)	FR2272658A1 (da)
IL (1)	IL47374A0 (da)
NL (1)	NL7506373A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4116971A (en) *	1977-08-15	1978-09-26	Warner-Lambert Company	3-(1h-tetrazol-5-yl)chromones

1975
- 1975-04-23 DK DK174775A patent/DK174775A/da unknown
- 1975-05-26 DE DE19752523194 patent/DE2523194A1/de active Pending
- 1975-05-28 FR FR7516608A patent/FR2272658A1/fr not_active Withdrawn
- 1975-05-28 IL IL47374A patent/IL47374A0/xx unknown
- 1975-05-29 NL NL7506373A patent/NL7506373A/xx unknown
- 1975-05-30 JP JP50064431A patent/JPS511476A/ja active Pending

Also Published As

Publication number	Publication date
IL47374A0 (en)	1975-07-28
FR2272658A1 (en)	1975-12-26
NL7506373A (nl)	1975-12-02
JPS511476A (en)	1976-01-08
DE2523194A1 (de)	1975-12-11

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