Patent US4085208A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4085208A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for preparing 4,6-di-O-(aminoglycosyl)-1,3-diaminocyclitols and novel 1-epimers and 1-N-alkyl derivatives produced thereby; methods for the use of the 1-epimer derivatives as antibacterial agents and compositions useful therefor

Assignee: Merck Sharp & Dohme LLC
•
Filing: 1976-06-21
•
Granted: 1978-04-18
•
Expires: 1996-06-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract This invention relates to the preparation of novel 1-epi-aminoglycosides, useful as antibacterial agents, and also relates to the process for the preparation of known as well as novel 1-N-substituted aminoglycoside antibacterial agents.

Inventors

  • 👤 Alan K. Mallams
  • 👤 David Huw Davies

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 15:00
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/20; C07H15/22; C07H15/222; C07H15/226; C07H15/234

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 155 words
A 1-epi-N-X-4,6-di-O-(aminoglycosyl)-1,3-diaminocyclitol selected from the group consisting of 1-epi-N-X-gentamicin A, 1-epi-N-X-gentamicin B, 1-epi-N-X-gentamicin B 1 , 1-epi-N-X-gentamicin C 1 , 1-epi-N-X-gentamicin C 1a , 1-epi-N-X-gentamicin C 2 , 1-epi-N-X-gentamicin C 2a , 1-epi-N-X-gentamicin C 2b , 1-epi-N-X-gentamicin X 2 , 1-epi-N-X-kanamycin A, 1-epi-N-X-kanamycin B, 1-epi-N-X-3',4'-dideoxykanamycin B, 1-epi-N-X-sisomicin, 1-epi-N-X-verdamicin, 1-epi-N-X-tobramycin, 1-epi-N-X-Antibiotic G-52, 1-epi-N-X-Antibiotic G-418, 1-epi-N-X-Antibiotic 66-40B, 1-epi-N-X-Antibiotic 66-40D, 1-epi-N-X-Antibiotic JI-20A, 1-epi-N-X-Antibiotic JI-20B, the 5-epi, 5-epi-azido-5-deoxy, 5-epi-amino-5-deoxy analogs of the foregoing; and 1-epi-N-X-Antibiotic Mu-1, 1-epi-N-X-Antibiotic Mu-2, 1-epi-N-X-Antibiotic Mu-4, 1-epi-N-X-Antibiotic Mu-5; and the pharmaceutically acceptable acid addition salts thereof, wherein X is a substituent selected from the group consisting of hydrogen, alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, aralkyl, hydroxyalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl, said X substituent having less than 9 carbon atoms with the proviso that, said aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl substituents must have the amino and hydroxyl groups on different carbon atoms, and that neither substituent be on the carbon atom alpha to the 1-amino function.
Claim 2
Dependent Claim 155 words
A 1-epi-N-X-4,6-di-O-(aminoglycosyl)-1,3-diaminocyclitol selected from the group consisting of 1-epi-N-X-gentamicin A, 1-epi-N-X-gentamicin B, 1-epi-N-X-gentamicin B 1 , 1-epi-N-X-gentamicin C 1 , 1-epi-N-X-gentamicin C 1a , 1-epi-N-X-gentamicin C 2 , 1-epi-N-X-gentamicin C 2a , 1-epi-N-X-gentamicin C 2b , 1-epi-N-X-gentamicin X 2 , 1-epi-N-X-kanamycin A, 1-epi-N-X-kanamycin B, 1-epi-N-X-3',4'-dideoxykanamycin B, 1-epi-N-X-sisomicin, 1-epi-N-X-verdamicin, 1-epi-N-X-tobramycin, 1-epi-N-X-Antibiotic G-52, 1-epi-N-X-Antibiotic G-418, 1-epi-N-X-Antibiotic 66-40B, 1-epi-N-X-Antibiotic 66-40D, 1-epi-N-X-Antibiotic JI-20A, 1-epi-N-X-Antibiotic JI-20B, the 5-epi, 5-epi-azido-5-deoxy, 5-epi-amino-5-deoxy analogs of the foregoing; and 1-epi-N-X-Antibiotic Mu-1, 1-epi-N-X-Antibiotic Mu-2, 1-epi-N-X-Antibiotic Mu-4, 1-epi-N-X-Antibiotic Mu-5; and the pharmaceutically acceptable acid addition salts thereof, wherein X is a substituent selected from the group consisting of hydrogen, alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, aralkyl, hydroxyalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl, said X substituent having less than 9 carbon atoms with the proviso that, said aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl substituents must have the amino and hydroxyl groups on different carbon atoms, and that neither substituent be on the carbon atom alpha to the 1-amino function.
Claim 3
Dependent Claim 15 words
A compound of claim 1 wherein said 6-aminoglycosyl is garosaminyl and said 1,3-diaminocyclitol is 2-deoxystreptamine.
Claim 4
Dependent Claim 14 words
A compound of claim 2 wherein said compound is 1-epi-N-X-4-O-(aminoglycosyl)-6-O-garosaminyl-2-deoxystreptamine, wherein X is hydrogen.
Claim 5
Dependent Claim 16 words
A compound of claim 2 wherein said compound is 1-epi-N-X-4-O-(aminoglycosyl)-6-O-garosaminyl-2-deoxystreptamine, wherein X has 2-4 carbon atoms.
Claim 6
Dependent Claim 11 words
A compound of claim 3 which is 1-epi-gentamicin C 1 .
Claim 7
Dependent Claim 11 words
A compound of claim 3 which is 1-epi-gentamicin C 1a .
Claim 8
Dependent Claim 8 words
A compound of claim 3 which is 1-epi-sisomicin.
Claim 9
Dependent Claim 8 words
A compound of claim 3 which is 1-epi-verdamicin.
Claim 10
Dependent Claim 11 words
A compound of claim 4 which is 1-epi-N-ethylgentamicin C 1 .
Claim 11
Dependent Claim 12 words
A compound of claim 4 which is 1-epi-N-(β-hydroxyethyl) gentamicin C 1 .
Claim 12
Dependent Claim 11 words
A compound of claim 4 which is 1-epi-N-propylgentamicin C 1 .
Claim 13
Dependent Claim 12 words
A compound of claim 4 which is 1-epi-N-(γ-aminopropyl) gentamicin C 1 .
Claim 14
Dependent Claim 12 words
A compound of claim 4 which is 1-epi-N-(δ-aminobutyl) gentamicin C 1 .
Claim 15
Dependent Claim 11 words
A compound of claim 4 which is 1-epi-N-ethylgentamicin C 1a .
Claim 16
Dependent Claim 12 words
A compound of claim 4 which is 1-epi-N-(β-hydroxyethyl) gentamicin C 1a .
Claim 17
Dependent Claim 11 words
A compound of claim 4 which is 1-epi-N-propylgentamicin C 1a .
Claim 18
Dependent Claim 12 words
A compound of claim 4 which is 1-epi-N-(γ-aminopropyl) gentamicin C 1a .
Claim 19
Dependent Claim 12 words
A compound of claim 4 which is 1-epi-N-(δ-aminobutyl) gentamicin C 1a .
Claim 20
Dependent Claim 8 words
A compound of claim 4 which is 1-epi-N-ethylsisomicin.
Claim 21
Dependent Claim 9 words
A compound of claim 4 which is 1-epi-N-(β-hydroxyethyl) sisomicin.
Claim 22
Dependent Claim 8 words
A compound of claim 4 which is 1-epi-N-propylsisomicin.
Claim 23
Dependent Claim 9 words
A compound of claim 4 which is 1-epi-N-(γ-aminopropyl) sisomicin.
Claim 24
Dependent Claim 9 words
A compound of claim 4 which is 1-epi-N-(δ-aminobutyl) sisomicin.
Claim 25
Dependent Claim 8 words
A compound of claim 4 which is 1epi-N-ethylverdamicin.
Claim 26
Dependent Claim 9 words
A compound of claim 4 which is 1-epi-N-(β-hydroxyethyl) verdamicin.
Claim 27
Dependent Claim 8 words
A compound of claim 4 which is 1-epi-N-propylverdamicin.
Claim 28
Dependent Claim 9 words
A compound of claim 4 which is 1-epi-N-(γ-aminopropyl) verdamicin.
Claim 29
Dependent Claim 9 words
A compound of claim 4 which is 1-epi-N-(δ-aminobutyl) verdamicin.
Claim 30
Independent Claim 182 words
The method of eliciting an antibacterial response in a warm-blooded animal having a susceptible bacterial infection which comprises administering to said animal a non-toxic anti-bacterially effective amount of a 1-epi-N-X-4,6-di-O-(aminoglycosyl)-1,3-diaminocyclitol selected from the group consisting of 1-epi-N-X-gentamicin A, 1-epi-N-X-gentamicin B, 1-epi-N-X-gentamicin B 1 , 1-epi-N-X-gentamicin C 1 , 1-epi-N-X-gentamicin C 1a , 1-epi-N-X-gentamicin C 2 , 1-epi-N-X-gentamicin C 2a , 1-epi-N-X-gentamicin C 2b , 1-epi-N-X-gentamicin X 2 , 1-epi-N-X-kanamycin A, 1-epi-N-X-kanamycin B, 1-epi-N-X-3',4'-dideoxykanamycin B, 1-epi-N-X-sisomicin, 1-epi-N-X-verdamicin, 1-epi-N-X-tobramycin, 1-epi-N-X-Antibiotic G-52, 1-epi-N-X-Antibiotic G-418, 1-epi-N-X-Antibiotic 66-40B, 1-epi-N-X-Antibiotic 66-40D, 1-epi-N-X-Antibiotic JI-20A, 1-epi-N-X-Antibiotic JI-20B, the 5-epi, 5-epi-azido-5-deoxy, 5-epi-amino-5-deoxy analogs of the foregoing; 1-epi-N-X-Antibiotic Mu-1, 1-epi-N-X-Antibiotic Mu-2, 1-epi-N-X-Antibiotic Mu-4, 1-epi-N-X-Antibiotic Mu-5; and the pharmaceutically acceptable acid addition salts thereof, wherein X is a substituent selected from the group consisting of hydrogen, alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, aralkyl, hydroxyalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl, said X substituent having less than 9 carbon atoms with the proviso that, said aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl substituents must have the amino and hydroxyl groups on different carbon atoms, and that neither substituent be on the carbon atom alpha to the 1-amino function.
Claim 31
Independent Claim 182 words
The method of eliciting an antibacterial response in a warm-blooded animal having a susceptible bacterial infection which comprises administering to said animal a non-toxic anti-bacterially effective amount of a 1-epi-N-X-4,6-di-O-(aminoglycosyl)-1,3-diaminocyclitol selected from the group consisting of 1-epi-N-X-gentamicin A, 1-epi-N-X-gentamicin B, 1-epi-N-X-gentamicin B 1 , 1-epi-N-X-gentamicin C 1 , 1-epi-N-X-gentamicin C 1a , 1-epi-N-X-gentamicin C 2 , 1-epi-N-X-gentamicin C 2a , 1-epi-N-X-gentamicin C 2b , 1-epi-N-X-gentamicin X 2 , 1-epi-N-X-kanamycin A, 1-epi-N-X-kanamycin B, 1-epi-N-X-3',4'-dideoxykanamycin B, 1-epi-N-X-sisomicin, 1-epi-N-X-verdamicin, 1-epi-N-X-tobramycin, 1-epi-N-X-Antibiotic G-52, 1-epi-N-X-Antibiotic G-418, 1-epi-N-X-Antibiotic 66-40B, 1-epi-N-X-Antibiotic 66-40D, 1-epi-N-X-Antibiotic JI-20A, 1-epi-N-X-Antibiotic JI-20B, the 5-epi, 5-epi-azido-5-deoxy, 5-epi-amino-5-deoxy analogs of the foregoing; 1-epi-N-X-Antibiotic Mu-1, 1-epi-N-X-Antibiotic Mu-2, 1-epi-N-X-Antibiotic Mu-4, 1-epi-N-X-Antibiotic Mu-5; and the pharmaceutically acceptable acid addition salts thereof, wherein X is a substituent selected from the group consisting of hydrogen, alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, aralkyl, hydroxyalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl, said X substituent having less than 9 carbon atoms with the proviso that, said aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl substituents must have the amino and hydroxyl groups on different carbon atoms, and that neither substituent be on the carbon atom alpha to the 1-amino function.
Claim 32
Dependent Claim 168 words
A pharmaceutical composition comprising an anti-bacterially effective amount of a 1-epi-N-X-4,6-di-O-(aminoglycosyl)-1,3-diaminocyclitol selected from the group consisting of: 1-epi-N-X-gentamicin A, 1-epi-N-X-gentamicin B, 1-epi-N-X-gentamicin B 1 , 1-epi-N-X-gentamicin C 1 , 1-epi-N-X-gentamicin C 1a , 1-epi-N-X-gentamicin C 2 , 1-epi-N-X-gentamicin C 2a , 1-epi-N-X-gentamicin C 2b , 1-epi-N-X-gentamicin X 2 , 1-epi-N-X-kanamycin A, 1-epi-N-X-kanamycin B, 1-epi-N-X-3',4'-dideoxykanamycin B, 1-epi-N-X-sisomicin, 1-epi-N-X-verdamicin, 1-epi-N-X-tobramycin, 1-epi-N-X-Antibiotic G-52, 1-epi-N-X-Antibiotic G-418, 1-epi-N-X-Antibiotic 66-40B, 1-epi-N-X-Antibiotic 66-40D, 1-epi-N-X-Antibiotic JI-20A, 1-epi-N-X-Antibiotic JI-20B, the 5-epi, 5-epi-azido-5-deoxy, 5-epi-amino-5-deoxyanalogs of the foregoing; 1-epi-N-X-Antibiotic Mu-1, 1-epi-N-X-Antibiotic Mu-2, 1-epi-N-X-Antibiotic Mu-4, 1-epi-N-X-Antibiotic Mu-5, the pharmaceutically acceptable acid addition salts thereof, together with a non-toxic pharmaceutically acceptable carrier, wherein X is a substituent selected from the group consisting of hydrogen, alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, aralkyl, hydroxyalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl, said X substituent having less than 9 carbon atoms with the proviso that, said aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl substituents must have the amino and hdyroxyl groups on different carbon atoms, and that neither substituent be on the carbon atom alpha to the I-amino function.
Claim 33
Dependent Claim 168 words
A pharmaceutical composition comprising an anti-bacterially effective amount of a 1-epi-N-X-4,6-di-O-(aminoglycosyl)-1,3-diaminocyclitol selected from the group consisting of: 1-epi-N-X-gentamicin A, 1-epi-N-X-gentamicin B, 1-epi-N-X-gentamicin B 1 , 1-epi-N-X-gentamicin C 1 , 1-epi-N-X-gentamicin C 1a , 1-epi-N-X-gentamicin C 2 , 1-epi-N-X-gentamicin C 2a , 1-epi-N-X-gentamicin C 2b , 1-epi-N-X-gentamicin X 2 , 1-epi-N-X-kanamycin A, 1-epi-N-X-kanamycin B, 1-epi-N-X-3',4'-dideoxykanamycin B, 1-epi-N-X-sisomicin, 1-epi-N-X-verdamicin, 1-epi-N-X-tobramycin, 1-epi-N-X-Antibiotic G-52, 1-epi-N-X-Antibiotic G-418, 1-epi-N-X-Antibiotic 66-40B, 1-epi-N-X-Antibiotic 66-40D, 1-epi-N-X-Antibiotic JI-20A, 1-epi-N-X-Antibiotic JI-20B, the 5-epi, 5-epi-azido-5-deoxy, 5-epi-amino-5-deoxyanalogs of the foregoing; 1-epi-N-X-Antibiotic Mu-1, 1-epi-N-X-Antibiotic Mu-2, 1-epi-N-X-Antibiotic Mu-4, 1-epi-N-X-Antibiotic Mu-5, the pharmaceutically acceptable acid addition salts thereof, together with a non-toxic pharmaceutically acceptable carrier, wherein X is a substituent selected from the group consisting of hydrogen, alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, aralkyl, hydroxyalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl, said X substituent having less than 9 carbon atoms with the proviso that, said aminohydroxyalkyl, alkylaminohydroxyalkyl and dialkylaminohydroxyalkyl substituents must have the amino and hdyroxyl groups on different carbon atoms, and that neither substituent be on the carbon atom alpha to the I-amino function.

References Cited (Backward Citations)

US3828021A Cited
US3868360A Cited
US3920628A Cited
US4002742A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-04-17 1981-10-17 1982-04-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-04-17 1985-10-17 1986-04-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-04-17 1989-10-17 1990-04-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag