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Last Updated: March 26, 2026

Claims for Patent: 6,107,458

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Summary for Patent: 6,107,458

Title:	Cyclic hexapeptides having antibiotic activity
Abstract:	This invention relates to new polypeptide compounds represented by the following formula (I): ##STR1## wherein R1 is as defined in the description and pharmaceutically acceptable salt thereof which have antimicrobial activities (especially, antifungal activities), inhibitory activity on β-1,3-glucan synthase, to process for preparation thereof, to a pharmaceutical composition comprising the same, and to a method for the prophylactic and/or therapeutic treatment of infectious diseases including Pneumocystis carinii infection (e.g. Pneumocystis carinii pneumonia) in a human being or an animal.
Inventor(s):	Hidenori Ohki, Masaki Tomishima, Akira Yamada, Hisashi Takasugi
Assignee:	Astellas Pharma Inc
Application Number:	US08/809,723
Patent Claims:

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