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Antibiotic S 31794/F-1

Assignee: Sandoz AG
•
Filing: 1978-06-28
•
Granted: 1979-11-06
•
Expires: 1998-06-28
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Abstract

Abstract This invention provides S 31794/F-1 which is a useful anti-mycotic for combatting Candida albicans infections.

Inventors

  • 👤 Michael M. Dreyfuss
  • 👤 Hans Tscherter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:20
CPC Classifications
C; C07; C07K; C07K7/00; C07K7/50; C07K7/54; C07K7/56; A; A61; A61K; A61K38/00

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 139 words
A compound S 31794/F-1 having the following characteristics: λ MAX 194 nm E 1 cm 1% =807, λ MAX 225 nm (shoulder) E 1 cm 1% =132, λ MAX 276 nm E 1 cm 1% =12.8, λ MAX 284 nm (shoulder) E 1 cm 1% =10.5, (see FIG. 1); 1 H NMR spectrum in deuterated DMSO (100 megacycles per second second) with tetramethylsilane as internal standard (see FIG. 4); 13 C NMR spectrum in deuterated methanol (D 4 ) with tetramethylsilane as internal standard (see Table 1); and having the following additional characteristics in amorphous form; elementary analysis: C 53.9%, H 7.5%, N 10.1%, O 27.3%; IR spectrum in kBr (see FIG. 2); and having the following additional characteristics in crystalline form: elementary analysis: C 55.5-56.5%, H 7.5-7.7%, N 10.5-10.8%, O 26.5-27.0%; IR spectrum in Nujol (see FIG. 3).
Claim 2
Dependent Claim 139 words
A compound S 31794/F-1 having the following characteristics: λ MAX 194 nm E 1 cm 1% =807, λ MAX 225 nm (shoulder) E 1 cm 1% =132, λ MAX 276 nm E 1 cm 1% =12.8, λ MAX 284 nm (shoulder) E 1 cm 1% =10.5, (see FIG. 1); 1 H NMR spectrum in deuterated DMSO (100 megacycles per second second) with tetramethylsilane as internal standard (see FIG. 4); 13 C NMR spectrum in deuterated methanol (D 4 ) with tetramethylsilane as internal standard (see Table 1); and having the following additional characteristics in amorphous form; elementary analysis: C 53.9%, H 7.5%, N 10.1%, O 27.3%; IR spectrum in kBr (see FIG. 2); and having the following additional characteristics in crystalline form: elementary analysis: C 55.5-56.5%, H 7.5-7.7%, N 10.5-10.8%, O 26.5-27.0%; IR spectrum in Nujol (see FIG. 3).
Claim 3
Dependent Claim 8 words
The compound of claim 1 in amorphous form.
Claim 4
Dependent Claim 8 words
The compound of claim 1 in crystalline form.
Claim 5
Dependent Claim 180 words
A process for the production of an antibiotic S 31794/F-1 having the following characteristics: UV spectrum in methanol: λ MAX 194 nm E 1 cm 1% =807, λ MAX 225 nm (shoulder) E 1 cm 1% =132, λ MAX 276 nm E 1 cm 1% =12.8, λ MAX 284 nm (shoulder) E 1 cm 1% =10.5, (see FIG. 1); 1 H NMR spectrum in deuterated DMSO (100 megacycles per second second) with tetramethylsilane as internal standard (see FIG. 4); 13 C NMR spectrum in deuterated methanol (D 4 ) with tetramethylsilane as internal standard (see Table 1); and having the following additional characteristics in amorphous form: elementary analysis: C 53.9%, H 7.5%, N 10.1%, O 27.3%; IR spectrum in kBr (see FIG. 2); and having the following additional characteristics in crystalline form; elementary analysis: C 55.5-56.5%, H 7.5-7.7%, N 10.5-10.8%, O 26.5-27.0%; IR spectrum in Nujol (see FIG. 3); which comprises cultivating the strain NRRL 8095 of Acrophialophora limonispora nov. spec. Dreyfus+Muller under aerobic fermentation conditions in a nutrient medium until a sufficient amount of antibiotic S 31794/F-1 is produced.
Claim 6
Dependent Claim 180 words
A process for the production of an antibiotic S 31794/F-1 having the following characteristics: UV spectrum in methanol: λ MAX 194 nm E 1 cm 1% =807, λ MAX 225 nm (shoulder) E 1 cm 1% =132, λ MAX 276 nm E 1 cm 1% =12.8, λ MAX 284 nm (shoulder) E 1 cm 1% =10.5, (see FIG. 1); 1 H NMR spectrum in deuterated DMSO (100 megacycles per second second) with tetramethylsilane as internal standard (see FIG. 4); 13 C NMR spectrum in deuterated methanol (D 4 ) with tetramethylsilane as internal standard (see Table 1); and having the following additional characteristics in amorphous form: elementary analysis: C 53.9%, H 7.5%, N 10.1%, O 27.3%; IR spectrum in kBr (see FIG. 2); and having the following additional characteristics in crystalline form; elementary analysis: C 55.5-56.5%, H 7.5-7.7%, N 10.5-10.8%, O 26.5-27.0%; IR spectrum in Nujol (see FIG. 3); which comprises cultivating the strain NRRL 8095 of Acrophialophora limonispora nov. spec. Dreyfus+Muller under aerobic fermentation conditions in a nutrient medium until a sufficient amount of antibiotic S 31794/F-1 is produced.
Claim 7
Dependent Claim 28 words
A pharmaceutical composition for treating Candida albicans comprising a Canadida albicans inhibiting effective amount of a compound of claim 1 in association with a pharmaceutical carrier or diluent.
Claim 8
Dependent Claim 32 words
A method of combatting Candida albicans infections in animals which comprises administering a Candida albicans inhibiting effective amount of a compound of claim 1 to an animal in need of such treatment.

References Cited (Backward Citations)

US3843784A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-11-05 1983-05-07 1983-11-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-11-05 1987-05-07 1987-11-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-11-05 1991-05-07 1991-11-06 $7700.00 Window Closed / Lapsed

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