Claims
- 1. Substantially pure xylocandin A, or an acid addition salt thereof, having the approximate elemental analysis C, 47.39; H, 7.02; N, 10.57; and having the infrared spectrum in potassium bromide shown in FIG. 1, the 400 MHz .sup.1 H NMR spectrum in deuterated dimethylsulfoxide shown in FIG. 2 and the 400 MHz .sup.1 H NMR spectrum in deuterated dimethylsulfoxide-deuterated water (10:1) shown in FIG. 3.
- 2. Substantially pure xylocandin B, having the approximate elemental analysis C, 50.43; H, 7.05; N, 12.17; and having the infrared spectrum in potassium bromide shown in FIG. 4, the 400 MHz .sup.1 H NMR spectrum in deuterated dimethylsulfoxide shown in FIG. 5 and the 400 MHz .sup.1 H NMR spectrum in deuterated dimethylsulfoxide-deuterated water (20:1) shown in FIG. 6.
- 3. A process for preparing xylocandin A and xylocandin B which comprises cultivating Pseudomonas cepacia A.T.C.C. No. 39277 in an aqueous nutrient medium containing an assimilable carbohydrate and nitrogen source under submerged aerobic conditions until substantial antibiotic activity is imparted to the medium and isolating xylocandin A, xylocandin B or both xylocandin A and xylocandin B.
- 4. A process in accordance with claim 3 wherein the microorganism is cultivated at about 25.degree. C.
Parent Case Info
This application is a continuation-in-part of copending application Ser. No. 474,103, filed Mar. 10, 1983, and now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4283389 |
Ezaki et al. |
Aug 1981 |
|
Non-Patent Literature Citations (1)
Entry |
A.T.C.C. Catalogue of Strains I, p. 172, 15th Ed., 1982. |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
474103 |
Mar 1983 |
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