Biologically active WS 6049 substances, a process for the produc

Details Biologically active WS 6049 substances, a process for the produc Biologically active WS 6049 substances, a process for the produc

1983-05-03

1986-03-25

Tanenholtz, Alvin E.

Drug, bio-affecting and body treating compositions

Fermentate of unknown chemical structure

Having a known elemental analysis

435128, 435169, 435825, A61K 3500, C12P 1300, C12P 106, C12R 103

Patent

active

045782717

ABSTRACT:
Novel compounds designated as WS 6049-A and WS 6049-B are disclosed, as well as compositions containing the compounds thereof, a method of treating microbial infections, a method of prolonging the survival time of the patient with lymphocytic leukemia by administering the compounds thereof, and a process for making the WS 6049 substances, are disclosed. As indicated above, the novel compounds have antimicrobial and antileukemic activities which make them useful against a variety of pathogenic microorganisms and leukemic tumors.

REFERENCES:
patent: 4195079 (1980-03-01), Celmer et al.
Ohkuma, H. et al., J. of Antibiotics, vol. 33, No. 10, pp. 1087-1097, 1980.
Tomita, K. et al., J. of Antibiotics, vol. 33, No. 10, pp. 1098-1102, 1980.
European Search Report for European Patent Application No. 83104988.

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