USRE39887EExpiredUtility

Dehydrodidemnin B

89
Assignee: PHARMA MAR SAPriority: Sep 29, 1989Filed: Jun 2, 2005Granted: Oct 16, 2007
Est. expirySep 29, 2009(expired)· nominal 20-yr term from priority
Inventors:Kenneth L. RinehartAnna M. Lithgow-Bertelloni
A61P 31/12A61K 38/00C07K 11/02A61P 31/00Y10S530/857Y10S930/27A61P 35/00
89
PatentIndex Score
12
Cited by
27
References
5
Claims

Abstract

Dehydrodidemnin B with useful biological activity has formula (1). It can be isolated from natural sources or synthesized, and it forms active derivatives.

Claims

exact text as granted — not AI-modified
1. A  An isolated and purified compound of the formula: 
                 
 
       wherein R is H. 
     
     
       2. A compound of the formula: 
                 
 
       wherein R is CH 3 . 
     
     
       3. A compound of the formula: 
                 
 
       wherein R is C 2 -C 6  alkyl. 
     
     
       4. A compound of the formula: 
                 
 
       wherein R is C 6 H 5 . 
     
     
       5. A compound of the formula: 
                 
 
       wherein R is COCH 3 .

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