GB1144749A - Piperazinones and processes for their preparation - Google Patents
Piperazinones and processes for their preparationInfo
- Publication number
- GB1144749A GB1144749A GB679567A GB679567A GB1144749A GB 1144749 A GB1144749 A GB 1144749A GB 679567 A GB679567 A GB 679567A GB 679567 A GB679567 A GB 679567A GB 1144749 A GB1144749 A GB 1144749A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piperazinones
- diamine
- feb
- formula
- processes
- 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
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
1,144,749. Piperazinones. NAUCHNOISSLEDOVATELSKY INSTITUT FARMAKOLOGII I KHIMIOTERAPII. 13 Feb., 1967 [12 Feb., 19661, No. 6795/67. Heading C2C. Novel piperazinones of the formula (and salts and addition compounds thereof) wherein n is 2, 3 or 4, R is H, alkyl or carbalkoxy and carbon atoms 2 and 3 may be shared by an aromatic ring, are prepared by condensing a 1,2-diamine, such as ethylene diamine or ophenylene diamine, with a compound of formula R.CHX.(CH 2 ) n .CHY.COOR<SP>1</SP>, wherein n and R are as defined above and X and Y represent chlorine and bromine and R<SP>1</SP> is H, Me or Et.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1054955A SU245789A1 (en) | 1966-02-12 | METHOD OF OBTAINING 1,4-PIPERAZINON-2 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1144749A true GB1144749A (en) | 1969-03-05 |
Family
ID=20439052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB679567A Expired GB1144749A (en) | 1966-02-12 | 1967-02-13 | Piperazinones and processes for their preparation |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1695554C3 (en) |
FR (1) | FR1510781A (en) |
GB (1) | GB1144749A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3503980A (en) * | 1965-10-04 | 1970-03-31 | Ciba Geigy Corp | Tetrahydroazacycloalkano(1,2-a) pyridazines |
AR206504A1 (en) * | 1972-11-03 | 1976-07-30 | Lepetit Spa | A PROCEDURE FOR PREPARING 6,7,8,8A-TETRAHYDRO-PYRROL (1,2-A) PYRAZINE-1 (2H), 4 (3H) -DIONAS |
-
1967
- 1967-02-09 DE DE19671695554 patent/DE1695554C3/en not_active Expired
- 1967-02-10 FR FR94511A patent/FR1510781A/en not_active Expired
- 1967-02-13 GB GB679567A patent/GB1144749A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1695554B2 (en) | 1973-07-19 |
DE1695554C3 (en) | 1974-02-21 |
DE1695554A1 (en) | 1971-05-06 |
FR1510781A (en) | 1968-01-19 |
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