ES396873A1 - Procedure for the obtaining of pyridacine derivatives. (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for the obtaining of pyridacine derivatives. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES396873A1 ES396873A1 ES396873A ES396873A ES396873A1 ES 396873 A1 ES396873 A1 ES 396873A1 ES 396873 A ES396873 A ES 396873A ES 396873 A ES396873 A ES 396873A ES 396873 A1 ES396873 A1 ES 396873A1
- Authority
- ES
- Spain
- Prior art keywords
- signify
- formula
- signifies
- carbon atoms
- radical
- 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
- 238000000034 method Methods 0.000 title abstract 2
- 125000004432 carbon atom Chemical group C* 0.000 abstract 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 4
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 abstract 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 2
- 229910052801 chlorine Inorganic materials 0.000 abstract 2
- 125000001309 chloro group Chemical group Cl* 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 229910052731 fluorine Inorganic materials 0.000 abstract 2
- 239000011737 fluorine Substances 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- 125000002541 furyl group Chemical group 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 150000004892 pyridazines Chemical class 0.000 abstract 1
- 125000001544 thienyl group Chemical group 0.000 abstract 1
Landscapes
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Procedure for obtaining pyridazine derivatives of formula I: **(See formula)** wherein R1 signifies an alkyl radical of 1 to 4 carbon atoms, R3, R4, R5 and R6 are the same or different and each signifies a hydrogen atom or an alkyl radical of 1 to 4 carbon atoms, or each of R3 and R6 signify a hydrogen atom and R4 and R5 together signify a radical - (CH2) n-, where n signify 2, 3 or 4, and R2 signify a thienyl, furyl or pyridyl radical, or a radical of formula II, **(See formula)** wherein each of R7 and R11 signifies a hydrogen, fluorine, or chlorine atom, or a straight-chain alkyl radical containing 1 to 4 carbon atoms, and each of R8, R9, and R10, may be the same or different, means a hydrogen, fluorine, or chlorine atom, a trifluoromethyl group, or an alkyl radical of 1 to 4 carbon atoms, provided that at least one of R7 and R11 signifies a hydrogen atom, which at least three of R7, R8, R9, R10 and R11 signify a hydrogen atom, and that R9 does not signify a trifluoromethyl group when R8 or R10 signifies a trifluoromethyl group, characterized in that a compound of formula III is reacted, **(See formula)** wherein R2, R3, R4, R5 and R6 have the meanings indicated above, with a compound of formula IV, **(See formula)** wherein R1 has the meaning indicated above, conveniently in an inert organic solvent, and conveniently at a temperature of 60 to 200ºC. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8897670A | 1970-11-20 | 1970-11-20 | |
| US16656571A | 1971-07-27 | 1971-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES396873A1 true ES396873A1 (en) | 1975-03-01 |
Family
ID=26779241
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES396873A Expired ES396873A1 (en) | 1970-11-12 | 1971-11-10 | Procedure for the obtaining of pyridacine derivatives. (Machine-translation by Google Translate, not legally binding) |
| ES424356A Expired ES424356A1 (en) | 1970-11-12 | 1974-03-16 | PROCEDURE FOR OBTAINING PYRIDACINE DERIVATIVES. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES424356A Expired ES424356A1 (en) | 1970-11-12 | 1974-03-16 | PROCEDURE FOR OBTAINING PYRIDACINE DERIVATIVES. |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5616148B1 (en) |
| DD (1) | DD95846A5 (en) |
| DK (1) | DK135121B (en) |
| ES (2) | ES396873A1 (en) |
| HU (1) | HU162865B (en) |
| PL (1) | PL85023B1 (en) |
-
1971
- 1971-11-10 DK DK550371A patent/DK135121B/en unknown
- 1971-11-10 JP JP8915171A patent/JPS5616148B1/ja active Pending
- 1971-11-10 PL PL15148071A patent/PL85023B1/pl unknown
- 1971-11-10 ES ES396873A patent/ES396873A1/en not_active Expired
- 1971-11-10 HU HUSA002274 patent/HU162865B/hu unknown
- 1971-11-11 DD DD15887571A patent/DD95846A5/xx unknown
-
1974
- 1974-03-16 ES ES424356A patent/ES424356A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| HU162865B (en) | 1973-04-28 |
| JPS5616148B1 (en) | 1981-04-14 |
| DK135121C (en) | 1977-08-08 |
| DD95846A5 (en) | 1973-02-20 |
| PL85023B1 (en) | 1976-04-30 |
| DK135121B (en) | 1977-03-07 |
| ES424356A1 (en) | 1976-10-16 |
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