Antibiotic Cyan426-A

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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Details

C548S530000, C548S539000, C514S424000

Reexamination Certificate

active

07129266

ABSTRACT:
The invention relates to a new antibiotic designated Cyan426-A, to its production by fermentation, to methods for its recovery and concentration from the crude solutions, and to a process for its purification and to semisynthetic ethers of Cyan426-A, Cyan426-A-ethers.

REFERENCES:
patent: 2001247574 (2001-09-01), None
He et al (2002): Tetrahedron Letters, vol. 43 (9), pp. 1633-1636.
West, R.R., et al., The Journal of Antibiotics, 49(10), pp. 967-973, (1996).
Chopra, I., et al., Antimicrob Agents Chemotherapy, 41, pp. 497-503, (1997).
Hiramatsu, K., et al., Curr. Opin. Infect. Dis., 11(6), pp. 653-658, (1998).
Breithaupt, Holger, Nat. Biotechnol, 17(12), pp. 1165-1169, (1999).
Ginzburg, E., et al., Int. J. Antimicrobial Agents, 16, pp. S39-S42, (2000).
Marchese, A., et al., Journal of Chemotherapy, 12-2, pp. 12-14, (2000).
Marchese, A., et al., Journal of Chemotherapy, 12-2, pp. 12-14, (2000) (English Abstract).
Suzuki, S., et al., The Journal of Natural Products, 63, pp. 768-772, (2000).
Koizumi, Fumito, et al., JP 2001247574 A2, Sep. 11, 2001 (English Abstract).

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