Claims
- 1. A 2-amino-1,3-propanediol compound of having the formula ##STR437## wherein Ra is a straight- or branched chain alkyl having 12 to 22 carbon atoms, which may have, in the chain, a bond or a hetero atom selected from the group consisting of a double bond, a triple bond, oxygen, sulfur, sulfinyl, sulfonyl, --N(R.sup.6)-- where R.sup.6 is hydrogen, alkyl, aralkyl, acyl or alkoxycarbonyl, and carbonyl, and which may have, as a substituent, alkoxy, alkenyloxy, alkynyloxy, aralkyloxy, acyl, alkylamino, alkylthio, acylamino, alkoxycarbonyl, alkoxycarbonylamino, acyloxy, alkylcarbamoyl, nitro, halogen, amino, hydroxyimino, hydroxy or carboxy, and
- R.sup.2 b, R.sup.3 b, R.sup.4 b and R.sup.5 b are the same or different and each is a hydrogen, an alkyl or an acyl; or a pharmaceutically acceptable salt thereof.
- 2. A 2-amino-1,3-propanediol compound of claim 1, having the formula ##STR438## wherein Rb is a straight- or branched chain alkyl having 13 to 20 carbon atoms, which may have, in the chain, an oxygen atom and which may have, as a substituent, nitro, halogen, amino, hydroxy or carboxy, and
- R.sup.2 c and R.sup.3 c are the same or different and each is a hydrogen or an alkyl, or a pharmaceutically acceptable salt thereof.
- 3. A 2-amino-1,3-propanediol compound of claim 1 or 2, having the formula ##STR439## wherein Rc is a straight-or branched chain alkyl having 13 to 20 carbon atoms or a straight- or branched chain alkyl having 13 to 20 carbon atoms which is substituted by halogen, or a pharmaceutically acceptable salt thereof.
- 4. A 2-amino-1,3-propanediol compound of any one of claims 1 or 2, which is selected from the group consisting of
- 2-amino-2-tridecyl-1,3-propanediol,
- 2-amino-2-tetradecyl-1,3-propanediol,
- 2-amino-2-pentadecyl-1,3-propanediol,
- 2-amino-2-hexadecyl-1,3-propanediol,
- 2-amino-2-heptadecyl-1,3-propanediol,
- 2-amino-2-octadecyl-1,3-propanediol,
- 2-amino-2-nonadecyl-1,3-propanediol,
- 2-amino-2-icosyl-1,3-propanediol,
- 2-amino-2-(12-fluorododecyl)-1,3-propanediol and
- 2-amino-2-(14-fluorotetradecyl)-1,3-propanediol, or a pharmaceutically acceptable salt thereof.
- 5. A 2-amino-1,3-propanediol compound of claim 3, which is selected from the group consisting of
- 2-amino-2-tridecyl-1,3-propanediol,
- 2-amino-2-tetradecyl-1,3-propanediol,
- 2-amino-2-pentadecyl-1,3-propanediol,
- 2-amino-2-hexadecyl-1,3-propanediol,
- 2-amino-2-heptadecyl-1,3-propanediol,
- 2-amino-2-octadecyl-1,3-propanediol,
- 2-amino-2-nonadecyl-1,3-propanediol,
- 2-amino-2-icosyl-1,3-propanediol,
- 2-amino-2-(12-fluorododecyl)-1,3-propanediol and
- 2-amino-2-(14-fluorotetradecyl)-1,3-propanediol, or a pharmaceutically acceptable salt thereof.
- 6. A method for immunosuppression, which comprises administering to a mammal an effective amount of a compound of claim 1.
- 7. A method for suppression of rejection in organ or bone marrow transplantation in a mammal, which comprises administering to a mammal an effective amount of a compound of claim 1.
- 8. A method for prevention and treatment of autoimmune disease, which comprises administering to a mammal an effective amount of a compound of claim 1.
- 9. The method according to claim 8, wherein the autoimmune disease is rheumatoid arthritis.
- 10. A method for prevention and treatment of psoriasis or atopic dermatitis, which comprises administering to a mammal an effective amount of a compound of claim 1.
- 11. A method for prevention and treatment of bronchial asthma or pollinosis, which comprises administering to a mammal an effective amount of a compound of claim 1.
Priority Claims (2)
Number |
Date |
Country |
Kind |
4-283281 |
Oct 1992 |
JPX |
|
5-179427 |
Jul 1993 |
JPX |
|
Parent Case Info
This is a divisional application of Ser. No. 08/244,942, filed as PCT/JP93/01515, Oct. 18, 1993, now U.S. Pat. No. 5,604,227.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4499221 |
Saitoh et al. |
Feb 1985 |
|
5068247 |
Fujita et al. |
Nov 1991 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
244942 |
Jun 1994 |
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