Claims
- 1. A compound of the formula I ##STR10## in which X is a carbonyl group, R.sub.1, R.sub.4 and R.sub.6 independently of one another represent hydrogen tri-lower alkyl-silyl, alkyl having from 1 to 18 carbon atoms, benzyl which is unsubstituted or substituted in the aromatic nucleus by lower alkyl, hydroxyl, lower alkoxy, lower alkylenedioxy, mercapto, lower alkylmercapto, trifluoromethyl and/or halogen, or represent alkanoyl having from 2 to 18 carbon atoms, benzoyl or naphthoyl which are unsubstituted or substituted by halogen, lower alkyl, lower alkoxy, trifluoromethyl, hydroxyl or lower alkanoyloxy, or represent an acyl radical of a lower alkanesulfonic acid or of phenylsulfonic acid, which is unsubstituted or substituted by lower alkyl or halogen, or represent carbamoyl, lower alkyl-carbamoyl or phenyl-carbamoyl, R.sub.2 represents alkyl having 1 to 18 carbon atoms which is unsubstituted or substituted by hydroxy, lower alkoxy, lower alkanoyloxy, halogen, mercapto, lower alkylmercapto, lower alkanoylmercapto, carboxy, lower alkoxycarbonyl and/or carbamoyl, or represents phenyl which is unsubstituted or substituted by lower alkyl, hydroxy, lower alkoxy, lower alkanoyl, lower alkylenedioxy, halogen and/or trifluoromethyl, R.sup.3 represent hydrogen or lower alkyl, at least one of the radicals R.sub.7, R.sub.9 and R.sub.13 represents lower alkyl, and the others represent hydrogen, R.sub.8 is hydrogen, lower alkyl which is unsubstituted or substituted by hydroxy, lower alkoxy, lower alkanoyloxy, mercapto, lower alkylmercapto, lower alkanoylmercapto, amino, lower alkanoylamino, carbamoylamino or cycloalkyl having 5 or 6 carbon atoms, or represents cycloalkyl-lower alkyl having 5 or 6 carbon atoms, in the cyclic moiety, phenyl or phenyl-lower alkyl, in which the phenyl radicals are unsubstituted or substituted as defined above, or heterocyclyl or heterocyclyl-lower alkyl wherein the heterocyclyl radicals are 5- or 6-membered, contain one or two nitrogen atoms in the ring and may or may not contain a fused phenyl radical, R.sub.7 and R.sub.8 together can also represent alkylene having 3 or 4 carbon atoms, R.sub.10, R.sub.11 and R.sub.12 independently of one another represent carboxyl, lower alkoxycarbonyl or carbamoyl which is unsubstituted or mono- or disubstituted at the nitrogen atom by unsubstituted, or carboxy- or carbamoyl-substituted, lower alkyl or by phenyl, benzyl, tetramethylene or pentamethylene or R.sub.11 can also be hydrogen, or a salt of such a compound having a salt-forming group.
- 2. Compounds of the formula I according to claim 1, in which at least one of the radicals R.sub.7, R.sub.9 and R.sub.13 represents methyl, and salts thereof.
- 3. Compounds of the formula I according to claim 1, in which R.sub.1, R.sub.4, R.sub.6, R.sub.11 and R.sub.13 represent hydrogen, R.sub.2 represents methyl or phenyl, R.sub.3 represents hydrogen or methyl, R.sub.7 represents methyl, ethyl or propyl, R.sub.8 represents hydrogen, methyl or ethyl, R.sub.9 represents hydrogen or methyl, R.sub.10 represents carbamoyl and R.sub.12 represents carboxy, and salts thereof.
- 4. Compounds of the formula I according to claim 1, in which R.sub.7 represents lower alkyl and R.sub.13 represents hydrogen, and salts thereof.
- 5. Compounds of the formula I according to claim 4, in which R.sub.3 represents methyl, and salts thereof.
- 6. N-acetyl-normuramyl-L-(N-methyl)-alanyl-D-isoglutamine .tbd.2-acetylamino-3-O-{[L-1-(D-1-carbamoyl-3-carboxy-propyl)-carbamoyl-ethyl]-N-methyl-carbamoylmethyl}-2-deoxy-D-glucose and salts thereof according to claim 1.
- 7. N-benzoyl-normuramyl-L-(N-ethyl)-.alpha.-amino-butyryl-D-isoglutamine .tbd.2-benzoylamino-3-O-{[L-1-(D-1-carbamoyl-3-carboxy-propyl)-carbamoyl-propyl]-N-ethyl-carbamoylmethyl}-2-deoxy-D-glucose and salts thereof according to claim 1.
- 8. N-acetyl-muramyl-L-(N-methyl)-.alpha.-aminobutyryl-D-isoglutamine .tbd.2-acetylamino-3-O-{D-1-[L-1-(D-1-carbamoyl-3-carboxy-propyl)-carbamoyl-propyl]-N-methyl-carbamoyl-ethyl}-2-deoxy-D-glucose and salts thereof according to claim 1.
- 9. N-acetyl-muramyl-L-(N-ethyl)-alanyl-D-isoglutamine .tbd. 2-acetylamino-3-O-{D-1-[L-1-(D-1-carbamoyl-3-carboxy-propyl)-carbamoyl-ethyl]-N-ethyl-carbamoyl-ethyl}-2-deoxy-D-glucose and salts thereof according to claim 1.
- 10. Compounds of the formula I according to claim 1 in which R.sub.1, R.sub.4 and R.sub.6 represent hydrogen, X represents carbonyl, R.sub.2 represents lower alkyl which is unsubstituted or substituted by hydroxy or by methoxy, or phenyl which is unsubstituted or substituted by hydroxy, methoxy, methyl, ethyl or by halogen, R.sub.3 and R.sub.9 represent hydrogen or methyl, R.sub.8 represents methyl, ethyl, n-propyl, isopropyl, 2-methylpropyl, methylmercaptomethyl, hydroxymethyl, hydroxyethyl, phenyl, benzyl or p-hydroxybenzyl, R.sub.10, R.sub.11 and R.sub.12 represent carboxy, lower alkoxycarbonyl or carbamoyl and R.sub.11 also represents hydrogen, and salts thereof.
- 11. Compounds of the formula I according to claim 3, in which R.sub.3 represents methyl, and salts thereof.
- 12. A compound according to claim 1, wherein R, R.sub.4, and R.sub.6 are trimethylsilyl.
- 13. Pharmaceutical preparations for potentiating the immune-response of warm blooded animals, including man, containing an effective amount of a compound according to claim 1 together with a pharmaceutically acceptable carrier.
- 14. A pharmaceutical preparation according to claim 13, in which R.sub.1, R.sub.4 and R.sub.6 represent hydroen, X represents carbonyl, R.sub.2 represents lower alkyl which is unsubstituted or substituted by hydroxy or by methoxy, or phenyl which is unsubstituted or substituted by hydroxy, methoxy, methyl, ethyl or by halogen, R.sub.3 and R.sub.9 represent hydrogen or methyl, R.sub.8 represents methyl, ethyl, n-propyl, isopropyl, 2-methylpropyl, methylmercaptomethyl, hydroxymethyl, hydroxyethyl, phenyl, benzyl or p-hydroxybenzyl, R.sub.10, R.sub.11 and R.sub.12 represent carboxy, lower alkoxycarbonyl or carbamoyl and R.sub.11 also represents hydrogen, and salts thereof.
- 15. A pharmaceutical preparation according to claim 13, in which R.sub.1, R.sub.4, R.sub.6, R.sub.11 and R.sub.13 represent hydrogen, R.sub.2 represents methyl or phenyl, R.sub.3 represents hydrogen or methyl, R.sub.7 represents methyl, ethyl or propyl, R.sub.8 represents hydrogen, methyl or ethyl, R.sub.9 represents hydrogen, or methyl, R.sub.10 represents carbamoyl and R.sub.12 represents carboxy, and salts thereof.
- 16. A pharmaceutical preparation according to claim 13, in which R.sub.7 is lower alkyl and R.sub.13 is hydrogen.
- 17. A pharmaceutical preparation according to claim 15, in which R.sub.3 is methyl, and salts thereof.
- 18. A compound according to claim 10, in which R.sub.7 is lower alkyl and R.sub.13 is hydrogen.
- 19. A compound according to claim 18, in which R.sub.7 is methyl.
- 20. A method for potentiating the immune-response of warm blooded animals, including man, which comprises administering an effective amount of a compound according to claim 1.
- 21. A method for potentiating the immune-response of warm blooded animals, including man, which comprises administering an effective amount of a compound according to claim 10.
- 22. A method for potentiating the immune-response of warm blooded animals, including man, which comprises administering an effective amount of a compound according to claim 4.
- 23. A method for potentiating the immune-response of warm blooded animals, including man, which comprises administering an effective amount of a compound according to claim 18.
- 24. A method for potentiating the immune-response of warm blooded animals, including man, which comprises administering an effective amount of a compound according to claim 19.
Priority Claims (3)
Number |
Date |
Country |
Kind |
2035/78 |
Feb 1978 |
CHX |
|
3777/78 |
Apr 1978 |
CHX |
|
5394/78 |
May 1978 |
CHX |
|
Parent Case Info
This is a division of application Ser. No. 14,190 filed on Feb. 22, 1979.
US Referenced Citations (15)
Foreign Referenced Citations (1)
Number |
Date |
Country |
15810 |
Sep 1980 |
EPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
14190 |
Feb 1979 |
|