BE819377A - Derives de 1-oxo-1h-naphto (2,1-b) pyranne et leur procede depreparation - Google Patents

Derives de 1-oxo-1h-naphto (2,1-b) pyranne et leur procede depreparation

Info

Publication number: BE819377A
Authority: BE; Belgium
Prior art keywords: pyranne; naphto; oxo; derivatives; preparation
Prior art date: 1973-09-27

Application number

BE148064A

Other languages

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.)

1973-09-27

Filing date

1974-08-30

Publication date

1974-12-16

1974-08-30 Application filed filed Critical

1974-12-16 Publication of BE819377A publication Critical patent/BE819377A/fr

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)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

BE148064A 1973-09-27 1974-08-30 Derives de 1-oxo-1h-naphto (2,1-b) pyranne et leur procede depreparation BE819377A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT2943073		1973-09-27
IT2948573		1973-09-28

Publications (1)

Publication Number	Publication Date
BE819377A true BE819377A (fr)	1974-12-16

Family

ID=26328835

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE148064A BE819377A (fr)	1973-09-27	1974-08-30	Derives de 1-oxo-1h-naphto (2,1-b) pyranne et leur procede depreparation

Country Status (7)

Country	Link
US (1)	US4001424A (fr)
AU (1)	AU7206274A (fr)
BE (1)	BE819377A (fr)
DE (1)	DE2437575A1 (fr)
FR (1)	FR2245357B1 (fr)
GB (1)	GB1455617A (fr)
IL (1)	IL45433A0 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2957492B1 (fr) *	2010-03-18	2013-08-16	Rhodia Operations	Nouvelles utilisations de composes de type esteramide

1974
- 1974-08-02 GB GB3424474A patent/GB1455617A/en not_active Expired
- 1974-08-03 DE DE2437575A patent/DE2437575A1/de active Pending
- 1974-08-06 AU AU72062/74A patent/AU7206274A/en not_active Expired
- 1974-08-08 IL IL45433A patent/IL45433A0/xx unknown
- 1974-08-30 BE BE148064A patent/BE819377A/fr unknown
- 1974-09-26 FR FR7432481A patent/FR2245357B1/fr not_active Expired
1976
- 1976-03-12 US US05/666,329 patent/US4001424A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FR2245357B1 (fr)	1978-07-21
IL45433A0 (en)	1974-11-29
AU7206274A (en)	1976-02-12
FR2245357A1 (fr)	1975-04-25
GB1455617A (en)	1976-11-17
DE2437575A1 (de)	1975-04-10
US4001424A (en)	1977-01-04

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