ES397243A1 - Procedimiento para la preparacion de derivados de acido ni-cotinico. - Google Patents
Procedimiento para la preparacion de derivados de acido ni-cotinico.Info
- Publication number
- ES397243A1 ES397243A1 ES397243A ES397243A ES397243A1 ES 397243 A1 ES397243 A1 ES 397243A1 ES 397243 A ES397243 A ES 397243A ES 397243 A ES397243 A ES 397243A ES 397243 A1 ES397243 A1 ES 397243A1
- Authority
- ES
- Spain
- Prior art keywords
- nicotinic acid
- acid derivatives
- nicotinic
- dihalo
- acid
- 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
- 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
- C07D213/80—Acids; Esters in position 3
-
- 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
- C07D213/85—Nitriles in position 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Procedimiento para la preparación de derivados de ácido nicotínico, particularmente aquellos de la fórmula general **(Fórmula)** en la que R representa halógeno, y de sus sales con bases, caracterizado porque el átomo de halógeno en la posición 2 de un ácido 2,6-dihalo-nicotínico, se substituye por un grupo hidroxilo, mediante hidrólisis del citado ácido 2,6-dihalo-nicotínico con una base.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9229670A | 1970-11-23 | 1970-11-23 | |
US9213770A | 1970-11-23 | 1970-11-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES397243A1 true ES397243A1 (es) | 1975-04-16 |
Family
ID=26785310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES397243A Expired ES397243A1 (es) | 1970-11-23 | 1971-11-22 | Procedimiento para la preparacion de derivados de acido ni-cotinico. |
Country Status (12)
Country | Link |
---|---|
AR (1) | AR192334A1 (es) |
BE (1) | BE775641A (es) |
CH (1) | CH558798A (es) |
DE (1) | DE2157334A1 (es) |
ES (1) | ES397243A1 (es) |
FR (1) | FR2115357B1 (es) |
GB (1) | GB1317239A (es) |
HU (1) | HU163713B (es) |
IE (1) | IE36016B1 (es) |
IL (1) | IL38089A (es) |
NL (1) | NL7115903A (es) |
NO (1) | NO133894C (es) |
-
1971
- 1971-11-03 CH CH1612471A patent/CH558798A/xx not_active IP Right Cessation
- 1971-11-08 IL IL38089A patent/IL38089A/xx unknown
- 1971-11-18 NL NL7115903A patent/NL7115903A/xx unknown
- 1971-11-18 DE DE19712157334 patent/DE2157334A1/de active Pending
- 1971-11-18 NO NO714263A patent/NO133894C/no unknown
- 1971-11-19 IE IE1468/71A patent/IE36016B1/xx unknown
- 1971-11-22 BE BE775641A patent/BE775641A/xx unknown
- 1971-11-22 ES ES397243A patent/ES397243A1/es not_active Expired
- 1971-11-23 AR AR239196A patent/AR192334A1/es active
- 1971-11-23 HU HUHO1435A patent/HU163713B/hu unknown
- 1971-11-23 FR FR7141921A patent/FR2115357B1/fr not_active Expired
- 1971-11-23 GB GB5436671A patent/GB1317239A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO133894C (es) | 1976-07-14 |
IE36016L (en) | 1972-05-23 |
DE2157334A1 (de) | 1972-05-31 |
IL38089A (en) | 1975-08-31 |
AU3556471A (en) | 1973-05-17 |
AR192334A1 (es) | 1973-02-14 |
IL38089A0 (en) | 1972-01-27 |
BE775641A (fr) | 1972-05-23 |
FR2115357A1 (es) | 1972-07-07 |
HU163713B (es) | 1973-10-27 |
CH558798A (de) | 1975-02-14 |
GB1317239A (en) | 1973-05-16 |
NL7115903A (es) | 1972-05-25 |
NO133894B (es) | 1976-04-05 |
FR2115357B1 (es) | 1974-10-18 |
IE36016B1 (en) | 1976-07-21 |
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