Claims
- 1. A piperidine compound or salt thereof represented by the general formula (1): ##STR1313## wherein, R is a lower alkanoyl group having as substituent(s), hydroxyl group(s) or amino group(s) which may have lower alkyl group(s) as substituent(s); a 1,2,4-triazolyl-lower alkanoyl group; a furoyl group which has substituents, on the furan ring, selected from the group consisting of a nitro group, a hydroxyl group substituted-lower alkyl group, a lower alkanoyl group and an amino group which may have lower alkanoyl group(s) as substituent(s); a thienylcarbonyl group which may have substituent(s), on the thiophene ring, selected from the group consisting of a nitro group, a lower alkyl group, a halogen atom and an amino group which may have lower alkanoyl group(s) as substituent(s); a fluorenylcarbonyl group which may have substituent(s), on the fluorene ring, selected from the group consisting of an oxo group and a nitro group; or a ##STR1314## bicyclic ring system wherein the bicyclic ring system is of the formula: ##STR1315## (wherein Z is a group of the formula: --CH.sub.2 -- or --NH-- or a sulfur atom; Y and W are each a group of the formula: .dbd.CH-- or a nitrogen atom; the dotted line in the bonding of the formula: ##STR1316## is a single bond or double bond; the bicyclic ring system may have 1 to 4 substituents selected from the group consisting of an oxo group, a lower alkyl group, a lower akoxy group, a hydroxyl group, a lower alkylthio group, a halogen atom, a nitro group and an amino group) and the ##STR1317## moiety is linked to the bicyclic ring system through an aromatic ring member;
- R.sup.1 is a hydrogen atom or a lower alkyl group which may have a hydroxyl group as substituents;
- R.sup.2 is a phenyl-lower alkyl group which may have as substituents, on the phenyl ring, selected from the group consisting of a lower alkoxy group, a halogen atom, a hydroxyl group, a nitro group, a lower alkyl group, a lower alkylthio group, a lower alkylsulfinyl group, a lower alkoxycarbonyl group, a carbamoyl group, a carboxy group, an amino-lower alkoxy group which may have lower alkyl group(s) as substituent(s), a carboxy group substituted-lower alkoxy group and an amino group which may have substituent(s) selected from the group consisting of a lower alkanoyl group, a lower alkoxy-carbonyl group and an aminocarbonyl group which may have lower alkyl group(s) as substituent(s);
- further a phenyl-lower alkyl group which may have a lower alkoxy-carbonyl group or a hydroxyl group substituted-lower alkyl group as a substituent in the lower alkyl moiety; a phenoxy-lower alkyl group which may have, on the phenyl ring, substituent(s), selected from the group consisting of a lower alkoxy group, a lower alkyl group, a halogen atom, a nitro group, an amino group which may have lower alkanoyl group(s) as substituent(s), and a hydroxyl group; a pyridyl-lower alkyl group which may have lower alkyl group(s) as substituent(s) on the pyridine ring; a thienyl-lower alkyl group; a furyl-lower alkyl group; a group of the formula: ##STR1318## (wherein B is a lower alkylene group, R.sup.27 and R.sup.28 are each the same or different, and are each a hydrogen atom, a lower alkyl group, a phenyl group, a lower alkanoyl group or a benzoyl group); a phthalimide substituted-lower alkyl group; a cycloalkyl-lower alkyl group; a phenyl-lower alkenyl group; a cycloalkyl group having phenyl group(s) as substituent(s); or a 2,3-dihydro-1H-indenyl group which may have substituent(s), on the 2,3-dihydro-1H-indene ring, selected from the group consisting of a lower alkoxy group, a hydroxyl group, a nitro group, and an amino group which may have lower alkanoyl group(s) as substituent(s);
- further, R.sup.1 and R.sup.2 and the adjacent nitrogen atom being bonded thereto may form a heterocyclic group selected from the group consisting of a pyrrolidine ring, a piperidine ring, a morpholine ring and a 1,2,3,4-tetrahydroisoquinoline ring, said heterocyclic group having substituent(s) selected from the group consisting of a hydroxyl group, a lower alkoxy group and a phenyl group.
- 2. A piperidine compound or salt thereof represented by the general formula (1.sup.AA): ##STR1319## wherein, R.sup.AA is a benzoyl group or a lower alkanoyl group; R.sup.1 is a hydrogen atom or a lower alkyl group which may have a hydroxy group as substituents; and
- R.sup.2AA is a thienyl-lower alkyl group, a phenyl-lower alkyl group having a lower alkylthio group as substituents in the phenyl ring, a 2,3-dihydro-1H-indenyl group which may have substituent, in the 2,3-dihydro-1H-indene ring selected from the group consisting of a lower alkoxy group, a hydroxyl group, a nitro group, an amino group which may have lower alkanoyl group(s) as substituent(s);
- further, R.sup.1 and R.sup.2AA and the adjacent nitrogen atom being bonded thereto may form a pyrrolidine ring, a piperidine ring, a morpholine ring or 1,2,3,4-tetrahydroisoquinoline ring, said heterocyclic ring having substituent(s) selected from the group consisting of a hydroxyl group, a lower alkoxy group and a phenyl group.
- 3. The piperidine compound or salt thereof according to claim 1, wherein R is a lower alkanoyl group having, as subsituent(s), hydroxyl group(s) or amino group(s) which may have lower alkyl group(s) as the substituent(s); or 1,2,4-triazolyl-lower alkanoyl group.
- 4. The piperidine compound or salt thereof according to claim 1, wherein R is a furoyl group having substituent(s), on the furan ring, selected from the group consisting of a nitro group, a hydroxyl group(s)-substituted lower alkyl group, a lower alkanoyl group and an amino group which may have lower alkanoyl group(s) as substituent(s); a thienylcarbonyl group which may have substituent(s), on the thiophene ring, selected from the group consisting of a nitro group, a lower alkyl group, a halogen atom and an amino group which may have lower alkanoyl group(s) as substituent(s); or a fluorenyl-carbonyl group which may have substituent(s), on the fluorene ring, selected from the group consisting of an oxo group and a nitro group.
- 5. The piperidine compound or salt thereof according to claim 1, wherein R is the ##STR1320## bicyclic ring system.
- 6. The piperidine compound or salt thereof according to claim 3, wherein R.sup.1 is a hydrogen atom.
- 7. The piperidine compound or salt thereof according to claim 3, wherein R.sup.1 is a lower alkyl group which may have hydroxyl group(s) as substituent(s).
- 8. The piperidine compound or salt thereof according to claim 4, wherein R.sup.1 is a hydrogen atom.
- 9. The piperidine compound or salt thereof according to claim 4, wherein R.sup.1 is a lower alkyl group which may have hydroxyl group(s) as substituent(s).
- 10. The piperidine compound or salt thereof according to claim 5, wherein R.sup.1 is a hydrogen atom.
- 11. The piperidine compound or salt thereof according to claim 5, wherein R.sup.1 is a lower alkyl group which may have hydroxyl group(s) as substituent(s).
- 12. The piperidine compound or salt thereof according to any one of claims 6-11, wherein R.sup.2 is a phenyl-lower alkyl group which may have, on the phenyl ring, substituent(s) selected from the group consisting of a lower alkoxy group, a halogen atom, a hydroxyl group, a nitro group, a lower alkyl group, a lower alkylthio group, a lower alkylsulfinyl group, a lower alkoxycarbonyl group, a carbamoyl group, a carboxy group, an amino-lower alkoxy group which may have lower alkyl group(s) as substituent(s), a carboxy group-substituted lower alkoxy group and an amino group which may have substituent(s) selected from the group consisting of a lower alkanoyl group, a lower alkoxycarbonyl group or an aminocarbonyl group which may each have lower alkyl group(s) as substituent(s); said phenyl-lower alkyl group may have lower alkoxycarbonyl group(s) or hydroxyl group-substituted lower alkyl group(s) as substituent(s) in the lower alkyl moiety.
- 13. The piperidine compound or salt thereof according to any one of claims 6-11, wherein R.sup.2 is a phenoxy-lower alkyl group which may have, on the phenyl ring, substituent(s) selected from the group consisting of a lower alkoxy group, a lower alkyl group, a halogen atom, a nitro group, an amino group which may have lower alkanoyl group(s) as substituent(s), and a hydroxyl group.
- 14. The piperidine compound or salt thereof according to any one of claims 6-11, wherein R.sup.2 is a pyridyl-lower alkyl group which may have lower alkyl group(s) as substituent(s) on the pyridine ring, or a thienyl-lower alkyl group.
- 15. The piperidine compound or salt thereof according to any one of claims 6-11, wherein R.sup.2 is a 2,3-dihydro-1H-indenyl group which may have, on the 2,3-dihydro-1H-indene ring, substituent(s) selected from the group consisting of a lower alkoxy group, a hydroxyl group, a nitro group, an amino group which may have lower alkanoyl group(s) as substituent(s); a furyl-lower alkyl group; a group of the formula: ##STR1321## (wherein B, R.sup.27 and R.sup.28 are the same as defined above); a phthalimido-substituted lower alkyl group; a cycloalkyl-lower alkyl group; a phenyl-lower alkenyl group or a cycloalkyl group having phenyl group(s) as substituent(s).
- 16. The piperidine compound or salt thereof according to any one of claims 3-5, , wherein R.sup.1 and R.sup.2 together with the adjacent nitrogen atom being bonded thereto may form a pyrrolidine ring, a piperidine ring, a morpholine ring or a 1,2,3,4-tetrahydro-isoquinoline ring; further said heterocyclic group having, substituent(s) selected from the group consisting of a hydroxyl group, a lower alkoxy group and a phenyl group, on the heterocyclic ring.
- 17. The piperidine compound or salt thereof according to claim 5, wherein the bicyclic ring system is an indolinyl group or a benzo-1,2,3-triazolyl group.
- 18. The piperidine compound or salt thereof according to claim 5, wherein the bicyclic ring system is an indolyl group, a benzimidazolyl group, a benzothiazolyl group, a 2,3-dihydrobenzimidazolyl group or an isoindolinyl group.
- 19. The piperidine compound or salt thereof according to claim 2, wherein R.sup.AA is a benzoyl group; R.sup.1 and R.sup.2AA together with the nitrogen atom being bonded thereto may form a pyrrolidine ring, a piperidine ring, a morpholine ring or a 1,2,3,4-tetrahydroisoquinoline ring, further said heterocyclic group having, on the heterocyclic ring, substituent(s) selected from the group consisting of a hydroxyl group, a lower alkoxy group and a phenyl group.
- 20. The piperidine compound or salt thereof according to claim 2, wherein R.sup.AA is a benzoyl group; and R.sup.2AA is a thienyl-lower alkyl group; a phenyl-lower alkyl group having lower alkylthio group(s) as substituent(s); or a 2,3-dihydro-1H-indenyl group which may have substituent(s) selected from the group consisting of a lower alkoxy group, a hydroxyl group, a nitro group, an amino group which may have lower alkanoyl group(s) as substituent(s), on the 2,3-dihydro-1H-indene ring.
- 21. The piperidine compound or salt thereof according to claim 2, wherein R.sup.AA is a lower alkanoyl group; and R.sup.2AA is a thienyl-lower alkyl group or a phenyl-lower alkyl group having lower alkylthio group(s) as substituent(s) on the phenyl ring.
- 22. The piperidine compound or salt thereof according to claim 2, wherein R.sup.AA is a lower alkanoyl group; and R.sup.2AA is a 2,3-dihydro-1H-indenyl group which may have, on the 2,3-dihydro-1H-indene ring, substituent(s) selected from the group consisting of a lower alkoxy group, a hydroxyl group, a nitro group, an amino group which may have lower alkanoyl groups(s) as substituent(s); further R.sup.1 and R.sup.2AA together with the adjacent nitrogen atom being bonded thereto may form a pyrrolidine ring, a piperidine ring, a morpholine ring or a 1,2,3,4-tetrahydroisoquinoline ring, said heterocyclic group having substituent(s) selected from the group consisting of a hydroxyl group, a lower alkoxy group and a phenyl group, on the heterocyclic ring.
- 23. 4-{N-Methyl-N-[2-(2-thienyl)ethyl]amino}-1-(3-methyloxindol-5-yl)carbonylpiperidine.
- 24. 4-[N-Methyl-N-(2-phenylethyl)amino]-1-(4-methyl-benzo-1,2,3-triazol-6-yl)carbonypiperidine.
- 25. A peripheral vasodilating agent containing, as the active ingredient, a piperidine compound or pharmaceutically acceptable salt thereof as claimed in claim 1 and a pharmaceutically acceptable carrier.
- 26. A peripheral vasodilating agent containing, as the active ingredient, a piperidine compound or pharmaceutically acceptable salt thereof as claimed in claim 2 and a pharmaceutically acceptable carrier.
Priority Claims (1)
Number |
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5-080712 |
Apr 1993 |
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Parent Case Info
This is a divisional of application Ser. No. 08/794,322, filed Feb. 3, 1997 now U.S. Pat. No. 5,760,058, which is a divisional of 08/347,454, filed Dec. 6, 1994, now U.S. Pat. No. 5,656,642, which is a 371 of PCT/JP94/00549, filed Apr. 4, 1994.
US Referenced Citations (2)
Non-Patent Literature Citations (3)
Entry |
Caroon et al. Antihypertensive 1-acyl-4-[2-(1,4-benzodioxan-2-yl)-2-hydroxyethylamino]piperidines, CA 106:207384, 1987. |
Essawi et al. "Synthesis and evaluation of 1- and 2-substituted fentanyl analogs for opioid activity" CA 98:161161, 1983. |
Terada et al. "Piperidine derivatives" CA 106:18371, 1985. |
Divisions (2)
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794322 |
Feb 1997 |
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Parent |
347454 |
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