Document Type

Patent

Patent Number

US Patent 5,286,727

Patent agency

United States Patent and Trademark Office

Publication Date

2-15-1994

Assignee

The United States of America as represented by the Secretary of (Washington, DC) ; University of Iowa Research Foundation (Iowa City, IA, US) ; Biotechnology Research & Development Corporation (Peoria, IL)

Application Number

07/843,567

Date Filed

1992-04-27

Total Pages

10 pages

Abstract

Diketopiperazine compounds designated N-methylepiamauromine, epiamauromine and cycloechinulin have been isolated from the sclerotia of the fungi Aspergillus ochraceus. The compounds are effective for controlling Coleopteran and Lepidopteran insects. The compounds have the structures: ##STR1## wherein: R is a hydrogen atom or a methyl group, such that the compound formed when R is a hydrogen atom is designated epiamauromine and the compound formed when R is a methyl group is designated N-methylepiamauromine; and cycloechinulin has the structure: ##STR2##

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URL

https://ir.uiowa.edu/patents/115