ES404874A1 - Procedure for the obtaining of derivatives of the pyridine. (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for the obtaining of derivatives of the pyridine. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES404874A1 ES404874A1 ES404874A ES404874A ES404874A1 ES 404874 A1 ES404874 A1 ES 404874A1 ES 404874 A ES404874 A ES 404874A ES 404874 A ES404874 A ES 404874A ES 404874 A1 ES404874 A1 ES 404874A1
- Authority
- ES
- Spain
- Prior art keywords
- translation
- procedure
- machine
- legally binding
- google translate
- 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
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 title 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 title 1
- 150000001875 compounds Chemical class 0.000 abstract 3
- 239000001257 hydrogen Substances 0.000 abstract 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 2
- 229910052794 bromium Inorganic materials 0.000 abstract 2
- 229910052801 chlorine Inorganic materials 0.000 abstract 2
- 239000000460 chlorine Substances 0.000 abstract 2
- 229910052731 fluorine Inorganic materials 0.000 abstract 2
- 239000011737 fluorine Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 125000003342 alkenyl group Chemical group 0.000 abstract 1
- 125000004414 alkyl thio group Chemical group 0.000 abstract 1
- 229920000137 polyphosphoric acid Polymers 0.000 abstract 1
- 150000003222 pyridines Chemical class 0.000 abstract 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 abstract 1
Landscapes
- Pyridine Compounds (AREA)
Abstract
Procedure for obtaining pyridine derivatives of general formula I, **(See formula)** wherein either R1, R2, and R3 signify hydrogen, or R1 signifies hydrogen, an alkyl, alkenyl, or lower alkynyl radical, R2 signifies chlorine, bromine, fluorine, or a lower alkyl radical, and R3 signifies hydrogen, chlorine, bromine, fluorine, or an alkyl, alkylthio or lower alkoxy radical, or trifluoromethyl, characterized in that a compound of formula IIIa, IIIb or IIIc is cyclized, **(See formula)** wherein R1, R2 and R3 have the meanings indicated above, or a mixture of the compounds of formulas IIIb and IIIc, with polyphosphoric acid, and, if desired, the mixtures of compounds (4aRS, 5SR, 9bSR) and (4aRS, 5SR, 9bRS) in order to isolate one isomer or each of the isomers. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1837969 | 1969-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES404874A1 true ES404874A1 (en) | 1976-01-01 |
Family
ID=4432597
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES404874A Expired ES404874A1 (en) | 1969-12-10 | 1972-07-14 | Procedure for the obtaining of derivatives of the pyridine. (Machine-translation by Google Translate, not legally binding) |
| ES404876A Expired ES404876A1 (en) | 1969-12-10 | 1972-07-14 | PROCEDURE FOR THE PRODUCTION OF 5-PHENYL-1, 3, 4, 4A, 5,9B-HEXAHYDRO-2H-INDENE (1,2-C) PYRIDINES. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES404876A Expired ES404876A1 (en) | 1969-12-10 | 1972-07-14 | PROCEDURE FOR THE PRODUCTION OF 5-PHENYL-1, 3, 4, 4A, 5,9B-HEXAHYDRO-2H-INDENE (1,2-C) PYRIDINES. |
Country Status (1)
| Country | Link |
|---|---|
| ES (2) | ES404874A1 (en) |
-
1972
- 1972-07-14 ES ES404874A patent/ES404874A1/en not_active Expired
- 1972-07-14 ES ES404876A patent/ES404876A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES404876A1 (en) | 1976-01-01 |
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