GB1205041A - New piperidine derivatives their preparation and compositions containing same - Google Patents
New piperidine derivatives their preparation and compositions containing sameInfo
- Publication number
- GB1205041A GB1205041A GB32061/67A GB3206167A GB1205041A GB 1205041 A GB1205041 A GB 1205041A GB 32061/67 A GB32061/67 A GB 32061/67A GB 3206167 A GB3206167 A GB 3206167A GB 1205041 A GB1205041 A GB 1205041A
- Authority
- GB
- United Kingdom
- Prior art keywords
- substituted
- alkoxycarbonyl
- allylpiperidine
- inorganic
- reacting
- 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
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members 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
- C07D211/60—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D211/62—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals attached in position 4
Abstract
1,205,041. Alkyl esters of 4-allylpiperidine-4- carboxylic acids. J. R. GEIGY A.G. 12 July, 1967 [13 July, 1966], No. 32061/67. Heading C2C. Novel compounds of the formula and their acid addition salts, where R 1 is a C 7-9 alkyl group, a phenylalkyl group having not more than four carbon atoms in the alkyl radical, a 2-(N-alkanoylanilino)-ethyl group having not more than four carbon atoms in the alkanoyl radical, a 2-anilinoethyl, a 2-(N-allylanilino)- ethyl, a 2-phenoxyethyl, a 2-benzoylethyl or a cinnamyl radical and R 2 is a C 1-4 alkyl group are prepared (a) by reacting the alkyl metal derivative of a 1-substituted-4-alkoxycarbonylpiperidine with a reactive ester of prop-2-en-1-ol and an inorganic or an organic acid, (b) by the partial hydrogenation of a 1-substituted-4-alkoxycarbonyl - 4 - prop - 2 - ynylpiperidine in the presence of a suitable catalyst, e.g. Lindlar catalyst, (c) by subjecting a 1-substituted-4- allyl-4-cyanopiperidine to alcoholysis in one of the usual ways, (d) by reacting a 4-alkoxycarbonyl-4-allylpiperidine with a reactive ester of an alcohol of the R 1 OH and an inorganic or an organic acid or (e) by converting a 1-substituted - 4 - allylpiperidine - 4 - carboxylic acid into a C 1-4 alkyl ester by one of the usual methods (e.g. via the acid chloride). 1 - Substituted - 4 - alkoxycarbonylpiperidines are prepared by reacting 4-alkoxycarbonylpiperidines with a halo-compound of the formula R 1 Hal, where Hal is chlorine, bromine or iodine to form a 1-substituted-4-alkoxycarbonylpiperidinium halide which is then hydrogenated in the presence of rhodium on alumina to give a 1-substituted-4-alkoxycarbonylpiperidine. 1 - Substituted - 4 alkoxycarbonyl - 4 - prop - 2<SP>1</SP>-ynylpiperidines are prepared by reacting a 1 - substituted - 4 - alkoxycarbonylpiperidine with a reactive ester of prop-2-yn-1-ol with an inorganic or an organic acid. 1 - Substituted - 4 - allyl - 4 - cyanopiperidines are prepared by reacting piperidine-4-carboxamide with a reactive ester of the alcohol R 1 OH and an inorganic or an organic acid to give a 1 - substituted - piperidine - 4 - carboxamide and dehydrating the latter with thionyl chloride to give a 1-substituted-4-cyanopiperidine and then introducing the allyl radical as in (a) above. 4 - Alkoxycarbonyl - 4 - allylpiperidines are prepared by reacting a 4-alkoxycarbonylpiperidine with benzyl chloroformate to give a 4-alkoxycarbonyl - 1 - benzyloxycarbonylpiperidine, the alkali metal derivative of which reacts with a reactive ester of allyl alcohol and an inorganic or an organic acid to give a 4-alkoxycarbonyl-4- allyl - 1 - benzyloxycarbonylpiperidine which reacts with hydrogen bromide in glacial acetic acid to give a 4-alkoxycarbonyl-4-allylpiperidine. 1 - Substituted - 4 - allylpiperidine - 4 - carboxylic acids are prepared by hydrolysing the corresponding nitriles and the acids are converted into 1-substituted-4-allylpiperidine-4-carbonyl chlorides with thionyl chloride. Therapeutic compositions effective as analgesics and antitussives comprise at least one of the novel compounds of the above formula or an acceptable addition salt with an inorganic or an organic acid as the active component and can be administered as dragees, tablets, suppositories, lozenges, syrups and solutions for injection.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1019266 | 1966-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1205041A true GB1205041A (en) | 1970-09-09 |
Family
ID=4360409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB32061/67A Expired GB1205041A (en) | 1966-07-13 | 1967-07-12 | New piperidine derivatives their preparation and compositions containing same |
Country Status (10)
Country | Link |
---|---|
US (1) | US3629426A (en) |
AT (5) | AT273128B (en) |
BE (1) | BE701275A (en) |
DK (1) | DK116999B (en) |
ES (4) | ES342932A1 (en) |
FR (1) | FR6814M (en) |
GB (1) | GB1205041A (en) |
GR (1) | GR37587B (en) |
NL (1) | NL6709700A (en) |
SE (1) | SE329614B (en) |
-
1967
- 1967-07-12 ES ES342932A patent/ES342932A1/en not_active Expired
- 1967-07-12 DK DK359067AA patent/DK116999B/en unknown
- 1967-07-12 AT AT751568A patent/AT273128B/en active
- 1967-07-12 AT AT751268A patent/AT273125B/en active
- 1967-07-12 ES ES342930A patent/ES342930A1/en not_active Expired
- 1967-07-12 AT AT751468A patent/AT273127B/en active
- 1967-07-12 AT AT652767A patent/AT273120B/en active
- 1967-07-12 ES ES342929A patent/ES342929A1/en not_active Expired
- 1967-07-12 AT AT751368A patent/AT273126B/en active
- 1967-07-12 GR GR670137587A patent/GR37587B/en unknown
- 1967-07-12 BE BE701275D patent/BE701275A/xx unknown
- 1967-07-12 ES ES342928A patent/ES342928A1/en not_active Expired
- 1967-07-12 NL NL6709700A patent/NL6709700A/xx unknown
- 1967-07-12 GB GB32061/67A patent/GB1205041A/en not_active Expired
- 1967-08-12 SE SE10487/67A patent/SE329614B/xx unknown
- 1967-10-10 FR FR123853A patent/FR6814M/fr not_active Expired
-
1968
- 1968-11-25 US US778844A patent/US3629426A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES342928A1 (en) | 1968-10-16 |
AT273127B (en) | 1969-08-11 |
AT273128B (en) | 1969-08-11 |
AT273125B (en) | 1969-08-11 |
NL6709700A (en) | 1968-01-15 |
DK116999B (en) | 1970-03-09 |
ES342932A1 (en) | 1968-10-16 |
BE701275A (en) | 1968-01-12 |
SE329614B (en) | 1970-10-19 |
AT273120B (en) | 1969-08-11 |
US3629426A (en) | 1971-12-21 |
FR6814M (en) | 1969-03-24 |
ES342930A1 (en) | 1968-10-16 |
GR37587B (en) | 1969-06-21 |
ES342929A1 (en) | 1968-10-16 |
AT273126B (en) | 1969-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |