DK72876A - - Google Patents
Info
- Publication number
- DK72876A DK72876A DK72876*#A DK72876A DK72876A DK 72876 A DK72876 A DK 72876A DK 72876 A DK72876 A DK 72876A DK 72876 A DK72876 A DK 72876A
- Authority
- DK
- Denmark
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
- C07D213/24—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
- C07D213/46—Oxygen atoms
- C07D213/50—Ketonic radicals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH223175A CH619461A5 (en) | 1975-02-21 | 1975-02-21 | Process for the preparation of heterocyclic compounds |
CH1640575A CH619706A5 (en) | 1975-12-18 | 1975-12-18 | Process for the preparation of heterocyclic compounds |
Publications (3)
Publication Number | Publication Date |
---|---|
DK72876A true DK72876A (US06605200-20030812-C00035.png) | 1976-08-22 |
DK138948B DK138948B (da) | 1978-11-20 |
DK138948C DK138948C (US06605200-20030812-C00035.png) | 1979-05-07 |
Family
ID=25689857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK72876AA DK138948B (da) | 1975-02-21 | 1976-02-20 | Analogifremgangsmåde til fremstilling af pyridinderivater. |
Country Status (27)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5015741A (en) * | 1989-10-03 | 1991-05-14 | Philip Morris Incorporated | Nicotine analogs |
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1976
- 1976-01-26 IL IL48904A patent/IL48904A/xx unknown
- 1976-01-29 NZ NZ179859A patent/NZ179859A/xx unknown
- 1976-01-29 AU AU10629/76A patent/AU500184B2/en not_active Expired
- 1976-02-09 CA CA245,252A patent/CA1064931A/en not_active Expired
- 1976-02-12 US US05/657,420 patent/US3991197A/en not_active Expired - Lifetime
- 1976-02-16 PH PH18108A patent/PH13135A/en unknown
- 1976-02-16 YU YU00354/76A patent/YU35476A/xx unknown
- 1976-02-16 IE IE306/76A patent/IE42638B1/en unknown
- 1976-02-17 DO DO1976002535A patent/DOP1976002535A/es unknown
- 1976-02-18 DE DE19762606530 patent/DE2606530A1/de not_active Withdrawn
- 1976-02-19 FI FI760420A patent/FI62298C/fi not_active IP Right Cessation
- 1976-02-19 FR FR7604581A patent/FR2301252A1/fr active Granted
- 1976-02-19 HU HU76HO1879A patent/HU174452B/hu unknown
- 1976-02-19 JP JP51016603A patent/JPS51108074A/ja active Pending
- 1976-02-19 LU LU74381A patent/LU74381A1/xx unknown
- 1976-02-19 DD DD191336A patent/DD124385A5/xx unknown
- 1976-02-20 GR GR50114A patent/GR59272B/el unknown
- 1976-02-20 PL PL1976187348A patent/PL101913B1/pl unknown
- 1976-02-20 NO NO760561A patent/NO143944C/no unknown
- 1976-02-20 NL NL7601760A patent/NL7601760A/xx not_active Application Discontinuation
- 1976-02-20 ES ES445339A patent/ES445339A1/es not_active Expired
- 1976-02-20 BR BR7601094A patent/BR7601094A/pt unknown
- 1976-02-20 GB GB6787/76A patent/GB1527524A/en not_active Expired
- 1976-02-20 GB GB53941/77A patent/GB1527525A/en not_active Expired
- 1976-02-20 AT AT123276A patent/AT347948B/de not_active IP Right Cessation
- 1976-02-20 PT PT64832A patent/PT64832B/pt unknown
- 1976-02-20 SE SE7602069A patent/SE421694B/xx unknown
- 1976-02-20 DK DK72876AA patent/DK138948B/da not_active IP Right Cessation
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |