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Title: US6262254: 8-fluoropurine compounds
[ Derwent Title ]


Country: US United States of America

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Inventor: Barrio, Jorge R.; Agoura Hills, CA
Satyamurthy, Nagichettiar; Los Angeles, CA
Namavari, Mohammad; Los Angeles, CA
Phelps, Michael E.; Encino, CA

Assignee: The Regents of Univ. of California, Oakland, CA
other patents from UNIVERSITY OF CALIFORNIA, THE REGENTS OF (599425) (approx. 4,840)
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Published / Filed: 2001-07-17 / 1998-11-25

Application Number: US1998000199975

IPC Code: Advanced: C07D 473/00;
Core: more...
IPC-7: C07D 473/00; C07H 19/167; C07H 19/173;

ECLA Code: C07D473/00; M07D473/00;

U.S. Class: Current: 536/027.11; 536/027.6; 536/027.8; 536/027.81; 544/264;
Original: 536/027.11; 536/027.6; 536/027.8; 536/027.81; 544/264;

Field of Search: 536/27.11,27.6,27.8,27.81 544/264

Government Interest:

ACKNOWLEDGEMENT OF GOVERNMENT SUPPORT
    This invention was made with government support under Grant No. DE-FC0387-ER60615, awarded by the Department of Energy. The government has certain rights in the invention.

Priority Number:
1998-11-25  US1998000199975
1997-04-30  US1997000846424

Abstract:     An efficient, regiocontrolled approach to the synthesis of 8-fluoropurines by direct fluorination of purines with dilute elemental fluorine, or acetyl hypofluorite, is provided. In a preferred embodiment, a purine compound is dissolved in a polar solvent and reacted with a dilute mixture of F2 in He or other inert gas.

Attorney, Agent or Firm: Christie, Parker & Hale, LLP ;

Primary / Asst. Examiners: Geist, Gary; Crane, L. Eric

INPADOC Legal Status: None          Buy Now: Family Legal Status Report

       
Related Applications:
Application Number Filed Patent Pub. Date  Title
US1997000846424 1997-04-30    1999-01-19  Process for producing 8-fluoropurines


       
Parent Case:

CROSS REFERENCE TO RELATED APPLICATION
    This application is a continuation of U.S. application Ser. No. 08/846,424, filed Apr. 30, 1997, now U.S. Pat. No. 5,861,503.

Family: Show 2 known family members

First Claim:
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What is claimed is:     1. An 8-fluoropurine compound of the formula: [Figure] where X is alkyl, aryl, arylalkyl, alkoxy, aryloxy, acetylamino, amino, carbamoyl, alkoxyamino, aryloxyamino, alkylcarbonylamino, alkoxyacetylamino, aryloxyacetylamino, benzoylamino, tritylamino, halogen, or hydrogen,
  • Y is alkyl, aryl, arylalkyl, alkoxy, aryloxy, acetyl, amino, secondary amino, tertiary amino, protected amino, carbamoyl, alkoxyamino, aryloxyamino, alkylcarbonylamino, alkoxyacetylamine, aryloxyacetylamino, benzoylamino, tritylamino, halogen, hydroxy, or hydrogen,
  • R is alkyl, aryl, arylalkyl, hydrogen, hydroxyalkoxy lower alkyl, or protected hydroxyalkoxy lower alkyl,
  • where each alkyl or aryl moiety independently is unsubstituted or substituted with one or more of hydroxy, halogen, lower alkyl or lower alkoxy;
  • and provided that when X is hydrogen and Y is hydrogen, R is not methyl; and tautomers thereof.


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Forward References: Show 6 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (6)   |   Backward references (1)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Buy PDF- 7pp US5861503  1999-01 Barrio et al.  The Regents of the University of California Process for producing 8-fluoropurines
       
Foreign References: None

Other Abstract Info: CHEMABS 130(07)081795R DERABS C1999-130435

Other References:
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