ES385700A2 - Benzofuran derivative - Google Patents
Benzofuran derivativeInfo
- Publication number
- ES385700A2 ES385700A2 ES385700A ES385700A ES385700A2 ES 385700 A2 ES385700 A2 ES 385700A2 ES 385700 A ES385700 A ES 385700A ES 385700 A ES385700 A ES 385700A ES 385700 A2 ES385700 A2 ES 385700A2
- Authority
- ES
- Spain
- Prior art keywords
- organic base
- inorganic
- preparation
- carboxylic acid
- benzofuran
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
- C07D307/84—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
- C07D307/85—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Furan Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
Improvements in the subject of main patent no. 367,838, for "Procedure for the preparation of new heterocyclic carboxylic acids", essentially for the preparation of 2,3-dihydro-5- (2-methylene-valeryl) -6,7-dimethyl-benzofuran-2-carboxylic acid, thus as its salts with inorganic or organic bases, characterized in that a compound of the general formula I ** (See formula) ** in which Am means the radical of a secondary organic base decomposes under cleavage of a secondary organic base and the carboxylic acid obtained is eventually transformed with an inorganic or organic base into a salt. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1727269 | 1969-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES385700A2 true ES385700A2 (en) | 1973-04-01 |
Family
ID=4424103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES385700A Expired ES385700A2 (en) | 1969-11-20 | 1970-11-19 | Benzofuran derivative |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE759137R (en) |
ES (1) | ES385700A2 (en) |
FR (1) | FR2073395B2 (en) |
GB (1) | GB1282376A (en) |
IE (1) | IE34748B1 (en) |
NL (1) | NL7016684A (en) |
ZA (1) | ZA707821B (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH484092A (en) * | 1967-07-28 | 1970-01-15 | Geigy Ag J R | Process for the preparation of new heterocyclic carboxylic acids |
CH510007A (en) * | 1968-05-30 | 1971-07-15 | Ciba Geigy Ag | Process for the preparation of new heterocyclic carboxylic acids |
-
0
- BE BE759137D patent/BE759137R/en active
-
1970
- 1970-11-13 NL NL7016684A patent/NL7016684A/xx unknown
- 1970-11-19 GB GB54947/70A patent/GB1282376A/en not_active Expired
- 1970-11-19 FR FR707041565A patent/FR2073395B2/fr not_active Expired
- 1970-11-19 IE IE1489/70A patent/IE34748B1/en unknown
- 1970-11-19 ZA ZA707821A patent/ZA707821B/en unknown
- 1970-11-19 ES ES385700A patent/ES385700A2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ZA707821B (en) | 1971-08-25 |
FR2073395B2 (en) | 1974-02-22 |
GB1282376A (en) | 1972-07-19 |
IE34748B1 (en) | 1975-08-06 |
NL7016684A (en) | 1971-05-24 |
IE34748L (en) | 1971-05-20 |
BE759137R (en) | 1971-05-19 |
FR2073395A2 (en) | 1971-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD2A | Announcement of lapse in spain |
Effective date: 20170703 |