AT320646B - Process for the preparation of new benzopyran derivatives - Google Patents
Process for the preparation of new benzopyran derivativesInfo
- Publication number
- AT320646B AT320646B AT961073A AT961073A AT320646B AT 320646 B AT320646 B AT 320646B AT 961073 A AT961073 A AT 961073A AT 961073 A AT961073 A AT 961073A AT 320646 B AT320646 B AT 320646B
- Authority
- AT
- Austria
- Prior art keywords
- preparation
- benzopyran derivatives
- new benzopyran
- new
- derivatives
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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 ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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 ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/65—One oxygen atom attached in position 3 or 5
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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 ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/84—Nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9000470A | 1970-11-16 | 1970-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT320646B true AT320646B (en) | 1975-02-25 |
Family
ID=22220642
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT989371A AT319237B (en) | 1970-11-16 | 1971-11-16 | Process for the preparation of new benzopyran derivatives and their salts |
AT961073A AT320646B (en) | 1970-11-16 | 1971-11-16 | Process for the preparation of new benzopyran derivatives |
AT144473A AT315172B (en) | 1970-11-16 | 1971-11-16 | Process for the preparation of new benzopyran derivatives and their salts |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT989371A AT319237B (en) | 1970-11-16 | 1971-11-16 | Process for the preparation of new benzopyran derivatives and their salts |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT144473A AT315172B (en) | 1970-11-16 | 1971-11-16 | Process for the preparation of new benzopyran derivatives and their salts |
Country Status (17)
Country | Link |
---|---|
AT (3) | AT319237B (en) |
AU (1) | AU463647B2 (en) |
BE (1) | BE775370A (en) |
CA (1) | CA966136A (en) |
DD (1) | DD108754A5 (en) |
DE (1) | DE2156235A1 (en) |
ES (1) | ES397014A1 (en) |
FR (1) | FR2113971B1 (en) |
GB (1) | GB1373246A (en) |
HU (1) | HU164332B (en) |
IE (1) | IE35810B1 (en) |
IL (1) | IL38144A (en) |
NL (1) | NL7115753A (en) |
PL (3) | PL81681B1 (en) |
SE (1) | SE375533B (en) |
SU (1) | SU406348A3 (en) |
ZA (1) | ZA717653B (en) |
-
1971
- 1971-11-12 DE DE19712156235 patent/DE2156235A1/en active Pending
- 1971-11-12 SU SU1713138A patent/SU406348A3/ru active
- 1971-11-15 IL IL38144A patent/IL38144A/en unknown
- 1971-11-15 PL PL1971151578A patent/PL81681B1/pl unknown
- 1971-11-15 PL PL1971175461A patent/PL86672B1/pl unknown
- 1971-11-15 ZA ZA717653A patent/ZA717653B/en unknown
- 1971-11-15 CA CA127,725A patent/CA966136A/en not_active Expired
- 1971-11-15 GB GB5289971A patent/GB1373246A/en not_active Expired
- 1971-11-15 IE IE1436/71A patent/IE35810B1/en unknown
- 1971-11-15 ES ES397014A patent/ES397014A1/en not_active Expired
- 1971-11-15 AU AU35701/71A patent/AU463647B2/en not_active Expired
- 1971-11-15 HU HUSCHE362*1A patent/HU164332B/hu unknown
- 1971-11-15 SE SE7114619A patent/SE375533B/xx unknown
- 1971-11-15 FR FR7140753A patent/FR2113971B1/fr not_active Expired
- 1971-11-15 DD DD158934A patent/DD108754A5/xx unknown
- 1971-11-15 PL PL1971175460A patent/PL92091B1/pl unknown
- 1971-11-16 AT AT989371A patent/AT319237B/en not_active IP Right Cessation
- 1971-11-16 BE BE775370A patent/BE775370A/en unknown
- 1971-11-16 NL NL7115753A patent/NL7115753A/xx unknown
- 1971-11-16 AT AT961073A patent/AT320646B/en not_active IP Right Cessation
- 1971-11-16 AT AT144473A patent/AT315172B/en active
Also Published As
Publication number | Publication date |
---|---|
IE35810L (en) | 1972-05-16 |
DE2156235A1 (en) | 1972-05-18 |
AU463647B2 (en) | 1975-07-17 |
IE35810B1 (en) | 1976-05-26 |
AT315172B (en) | 1974-05-10 |
ZA717653B (en) | 1972-11-29 |
FR2113971A1 (en) | 1972-06-30 |
ES397014A1 (en) | 1975-03-01 |
NL7115753A (en) | 1972-05-18 |
IL38144A (en) | 1974-11-29 |
HU164332B (en) | 1974-01-28 |
DD108754A5 (en) | 1974-10-05 |
PL86672B1 (en) | 1976-06-30 |
FR2113971B1 (en) | 1975-10-10 |
IL38144A0 (en) | 1972-01-27 |
GB1373246A (en) | 1974-11-06 |
AT319237B (en) | 1974-12-10 |
CA966136A (en) | 1975-04-15 |
AU3570171A (en) | 1973-05-24 |
SU406348A3 (en) | 1973-11-05 |
PL92091B1 (en) | 1977-03-31 |
SE375533B (en) | 1975-04-21 |
PL81681B1 (en) | 1975-08-30 |
BE775370A (en) | 1972-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |