Claims
- 1. Antibiotic 1745A/X characterized as follows:
- (a) melting point 146.degree.-149.degree. C.;
- (b) analysis: carbon, 58.69%; hydrogen, 9.26%; nitrogen, 3.45%; oxygen, 28.60% (by difference);
- (c) a characteristic infrared absorption spectrum as shown in accompanying FIG. 1;
- (d) a characteristic nuclear magnetic resonance spectrum as shown in accompanying FIG. 2;
- (e) a low resolution mass spectrum which shows a molecular ion at m/e 734 and major fragment peaks at 701, 649, 617, 573, 560, 546, 462, 416, 398, 251, 174, 158 and 145.
DETAILED DESCRIPTION OF THE INVENTION
This is a continuation, of application Ser. No. 761,922 filed Jan. 24, 1977 now abandoned which in turn is a continuation of application Ser. No. 598,483, filed July 23, 1975 now abandoned, which in turn is a divisional of U.S. patent application Ser. No. 438,987, now U.S. Pat. No. 3,928,387, issued Dec. 12, 1975.
US Referenced Citations (4)
Divisions (1)
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438987 |
Dec 1975 |
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Continuations (2)
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761922 |
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598483 |
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