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

|
Country: |
US United States of America

|
| |
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)
News, Profiles, Stocks and More about this company

|
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: |

|
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
Family Legal Status Report

|
 |
 |
|
|
|
|
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:
Show all 12 claims |
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.

|
Background / Summary: |
Show background / summary

|
Drawing Descriptions: |
Show drawing descriptions

|
Description: |
Show description

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

|
 |
 |
|
|
|
|
Foreign References: |
None

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

|
Other References: |
"Substitution and Additions in the Heterocyclic Rings of Nucleic Acid Bases and Their Derivatives--§II, Sub-section 1 (Halogenation)," in Ch. 5 of Organic Chemistry of Nucleic Acids, Part B, Kochetkov et al. (Russian eds.), Haigh et al. (English translator & eds.), Plenum Press, New York, NY, 1972, only pp. 269-275 supplied.*
Goodman, "Chemical Syntheses and Transformations of Nucleosides,", Ch. 2 in Basic Principles in Nucleic Acid Chemistry, vol. 1, Ts'o (ed.), Academic Press, New York, NY, 1974, only pp. 146-152 and 202 supplied.*
Robins et al., "A Direct Synthesis of 5-Fluorocytosine and Its Nucleosides Using Trifluoromethyl Hypofluorite," J. Chem. Soc., Part D(Chem. Comm.), (1), pp. 18-19, (Jan. 5, 1972).*
J.R. Barrio, et al., "8-[F-18] Fluoroacyclovir: An In-Vivo Probe for Gene Expression with PET", The Society of Nuclear Medicine 43rd Annual Meeting, Colorado Convention Center, Denver, CO, Jun. 3-6, 1996, Abstract.
J.R. Barrio, et al., "Carbon-8 Radiofluorination of Purines: A General Approach to Probe Design for Gene Therapy in Humans", Journal of Labeled Compound Radiopharmaceutical, vol. 40, p. 348, 1997, Abstract.
S.S Gambhir, et al., "Imaging of Adenoviral-Directed Herpes Simplex Virus Type 1 Thymidine Kinase Reporter Gene Expression in Mice with Radiolabeled Ganciclovir", The Journal of Nuclear Medicine, vol. 39, No. 11, Nov. 1998, pp. 2003-2011.
(9 pages)
Cited by 4 patents
[ISI abstract]
S.S. Gambhir, et al., "Radiolabeled Penciclovir: A New Reporter Probe with Improved Imaging Properties over Ganciclovir for Imaging Herpes-Simplex Virus Type I Thymidine Kinase Reporter Gene Expression", The Journal of Nuclear Medicine, vol. 39, No. 5, May 1998, Supplement, 53P, Abstract.
(1 pages)
[ISI abstract]
L.A. Green, et al., "Tracer Kinetic Modeling of 8-[F-18] Fluoroganciclovir PET Data: A New Tracer for Measuring Reporter Gene Expression", The Journal of Nuclear Medicine, vol. 39, Jun. 8, 1998, 10P, Abstract.
(1 pages)
[ISI abstract]
M. Namavari, et al., "Synthesis of 8-Fluoropurines", 11th Iranian Chemistry & Chemical Engineering Congress, Sep. 3-5, 1996, Abstract., Tehran, Iran.
A. Srinivasan, et al., "Imaging Reporter Gene Expression in Living Animals With Positron Emission Tomography Clinical Application to Gene Therapy", American Society of Hematology, Orlando, FLA, Dec., 1996, Abstract.
A. Srinivasan, et al., "A PET Reporter Gene (PGR)/PET Reporter Probe (PRP) Technology for Repeatedly Imaging Gene Expression in Living Animals", Journal of Nuclear Medicine, 37(5):107P, 1996, Abstract.
Jorge R. Barrio, et al., Regioselective Fluorination of Substituted Guanines with Dilute F2 : A Facile Entry to 8-Fluoroguanine Derivates, J. Org. Chem., 1996, 61, 6084-6085., Issue No. 18, Sep. 6, 1996.
(2 pages)
Cited by 2 patents
[ISI abstract]
Jorge R. Barrio, et al., "Elemental Fluorine to 8-Fluoropurines in One Step" J. American Chem. Soc., 1996, 118, 10408-10411., Issue No. 43, Oct. 30, 1996.
(4 pages)
Cited by 3 patents
[ISI abstract]
William Braker, et al., "Matheson Gas Data Book," Matheson Gas Products, East Rutherford, N.J. 1971, pp. 261-265 only.
Sono, M., et al., "Functionalization Including Fluorination of Nitrogen-Containing Compounds Using Electrochemical Oxidation," Chem. Pharm. Bull., vol. 44, No. 6, pp. 1141-1145 (Jun. 1996).
(5 pages)
Cited by 3 patents
[ISI abstract]
Jorge R. Barrio, et al., A Direct Method for the Preparation of 2-Hydroxyethomethly Derivatives of Guanine, Adenine, and Cytosine, J. Med. Chem, 1980, 23, 572-574, issue No. 5.
(3 pages)
Cited by 10 patents
Ratsep, P., et al., "Introduction of Fluorine Into The C8 Position Of Purine Nucleosides," Nucleosides & Nucleotides, 1990, 9(2), pp. 197-204.
(8 pages)
Cited by 2 patents
Pross, A., "A General Approach to Organic Reactivity: The Configuration Mixing Model," Advances in Physical Organic Chemistry, 1985, vol. 21, pp. 99-198.
(98 pages)
Cited by 2 patents
Lacan, G., et al., "Fluorination of (E)-β-(Fluoromethylene-m-Tyrosine: Regioselective Synthesis of 4-Fluoro-(E)-β-(Fluoromethylene-m-Tyrosine," J. Org. Chem., 1995, vol. 60, No. 1, pp. 227-234.
(8 pages)
Cited by 2 patents
[ISI abstract]
Barrio, Jorge R., et al., "A Direct Method for the Preparation of 2-Hydroxyethoxymethyl Derivatives of Guanine, Adenine, and Cytosine", J. Med. Chem., 1980, vol. 23, No. 5, pp. 572-574.
(3 pages)
Cited by 10 patents
Satyamurthy, N., et al., "Making 18 F radiotracers for medical research," Chemtech, Mar. 1994, pp. 25-32.
(8 pages)
Cited by 2 patents
[ISI abstract]
Coenen, H.H., et al., "Regiospecific Aromatic Fluorodemetallation of Group IVb Metalloarenes Using Elemental Fluorine or Acetyle Hypofluorite," Journal of Fluorine Chemistry, 1987, vol. 36, p. 63.
(13 pages)
Cited by 3 patents
Walsh, C., "Fluorinated Substrate Analogs: Routes of Metabolism and Selective Toxicity," In Advances in Enzymology; Meister, A. Ed; John Wiley and Sons: New York, 1983; vol. 55 pp. 197-289.
(93 pages)
Cited by 2 patents
Welch, J. T., "Advances in the Prepration of Biologically Active Organofluorine Compounds," Tetrahedron, 1987, vol. 43, No. 14, pp. 3123-3197.
(75 pages)
Cited by 6 patents
Welch, J. T., Ed., American Chem. Soc.: Washington, DC "Selective Fluorination in Organic and Bioorganic Chemistry," American Chemical Society, Apr. 22, 1990.
Barnett, W.C., CRC Critical Reviews in Biochemistry, vol. 15, Issue 3, pp. 210-213.
Marquez, Victor E., et al., "Acid-Stable 2'-Fluoro Purine Dideoxynucleosides as Active Agents against HIV," J. Med. Chem., 1990, vol. 33, No. 3, pp. 978-985.
(8 pages)
Cited by 15 patents
Robins, M. J., et al., "Nucleic acid related compounds. 34. Non-aqueous diazotization with tert-butyl nitrite. Introduction of fluorine, chlorine, and bromine at C-2 of purine nucleosides," Can. J. Chem., 1981, vol. 59, pp. 2608-2611.
(4 pages)
Cited by 7 patents
Montgomery, J. A., et al., "Synthesis and Biological Evaluation of 2-Fluoro-8-azaadenosine and Related Compounds1," J. Med. Chem., 1983, vol. 26, No. 10, pp. 1483-1489.
(7 pages)
Cited by 2 patents
Secrist III, J.A., et al., "2-Fluoroformycin and 2-Aminoformycin. Synthesis and Biological Activity," J. Med. Chem., 1985, vol. 28, No. 11, pp. 1740-1742.
(3 pages)
Cited by 4 patents
Secrist III, J. A., et al., "Synthesis and Biochemical Properties of 8-Amino-6-fluoro-9-β-D-ribofuranosyl-9H-purine," J. Med. Chem., 1986, vol. 29, No. 10, pp. 2069-2074.
(6 pages)
Secrist III, J.A., "Synthesis and Biological Evaluations of Certain 2-Halo-2'-Substituted Derivatives of 9-β-D-Arabinofuranosyladenine," J. Med. Chem., 1988, vol. 31, No. 2, pp. 405-410.
(6 pages)
Cited by 6 patents
Robins, M.J., et al., "Nucleic Acid Related Compounds. III. A Facile Synthesis of 5-Fluorouracil Bases and Nucleosides by Direct Fluorination," Journal of the American Chemical Society, vol. 93, 1971, pp. 5277-5278 (Oct. 6, 1971).
Cited by 4 patents
Robins, M. J., et al., "Nucleic Acid Related Compounds. 21. Direct Fluorination of Uracil and Cytosine Bases and Nucleosides Using Trifluoromethyl Hypofluorite. Mechanism, Stereochemistry, and Synthetic Applications," Journal of the American Chemical Society, 1976, vol. 98, p. 7381. (Nov. 10, 1976).
(10 pages)
Cited by 2 patents
Gerstenberger, M.R.C., et al., "Methods of Fluorination in Organic Chemistry," Angew: Chem. Int. Ed. Engl., 1981, vol. 20, p. 647.
(21 pages)
Cited by 9 patents
Beaman, A. G., et al., "The Direct Conversion of Chloropurines to Fluoropurines," J. Org. Chem., 1963, vol. 28, pp. 2310-2313.
Naik, S. R., et al., "A Novel Route to 3(5)-Fluoro-1,2,4-triazoles and 8-Fluoropurines by Displacement of the Nitro Group," J. Org. Chem., 1973, vol. 38, No. 25, pp. 4353-4354.
(2 pages)
Cited by 3 patents
Ikehara, M., et al., "Studies of Nucleosides and Nucleotides. XLIX. Synthesis of 8-Fluoroadenosine," Chem. Pharm. Bull., 1971, vol. 19, pp. 104-109, Issue No. 1.
Kobayashi, Y., et al., "Synthesis of 2',3', 5'-Tris-O-acetyle-8-fluoroadenosine," J.C.S. Chem. Comm., 1976, pp. 430-431.
(2 pages)
Cited by 2 patents
Sono, M., et al., "Functionalisation Including Fluorination of Caffeine, Guanosine Tetraacetate, and Uridine Triacetate using Electrochemical Oxidation," Tetrahedron Letters, 1994, vol. 35, No. 49, pp. 9237-9238.
(2 pages)
Cited by 2 patents
[ISI abstract]
Rozen, S., "The formation of the C-F bond: the last twelve years," Supplement D2: The chemistry of halides, pseudo-halides and azides, Patai, S. et al. Eds: John Wiley and Sons: Chichester, U.K. 1995; Chapter 12, pp. 629-708.
Rozen, S. et al., "Remote and Selective Electrophilic Fluorinations at the Carbon-Hydrogen Single Bond," J. Am. Chem. Soc., 1980, vol. 102, No. 22, pp. 6860-68.
(2 pages)
Cited by 2 patents
Shiue, C., et al., "A New Improved Synthesis of 2-Deoxy-2-[18 F]Fluoro-D-Glucose from 18 F-Labeled Acetyl Hypofluorite," The Journal of Nuclear Medicine, 1982, vol. 23, No. 10, pp. 899-903.
(5 pages)
Cited by 5 patents
Zupan, M., "Functionalization of organic molecules by xenon fluorides," Supplement D2: The Chemistry of halides, pseudo-halides and azides, Patai, S. et al. Eds: John Wiley and Sons: Chichester, U.K. 1995, Chapter 15, pp. 821-860.
Umemoto, T., et al., "Power and Structure-Variable Fluorinating Agents. The N-Fluoropyridinium Salt System," J. Am. Chem. Soc., 1990, vol. 112, No. 23, pp. 8563-8575.
(13 pages)
Cited by 18 patents
Lal, G. S., "Site-Selective Fluorination of Organic Compounds Using 1-Alkyl-4-fluoro-1,4-diazabicyclo[2.2.2]octane Salts (Selectfluor Reagaents)," J. Org. Chem., 1993, vol. 58, No. 10, pp. 2791-2796.
(6 pages)
Cited by 7 patents
[ISI abstract]
Gal, C., et al., "Activation of Tertiary Parraffins by Elemental Fluorine," Tetrahedron Letters, 1984, vol. 25, No. 4, pp. 449-452.
(4 pages)
Cited by 2 patents
Rozen, S., et al., "Activating Unreactive sites of Organic Molecules Using Elemental Fluorine," J. Org. Chem., 1987, vol. 52, No. 13, pp. 2769-2779.
(11 pages)
Rozen, S., "Elemental Fluorine as a `Legitimate` Reagent for Selective Fluorination of Organic Compounds," Acc. Chem. Res., 1988, vol. 21, pp. 307-312.
(6 pages)
Cech, D., et al., "Preparation of Some 2'-Deoxy-5-Fluorouridine Derivative By A Direct Fluorination*," Collection Czechoslov. Chem. Commun., 1976, vol. 41, pp. 3335-3342.
(8 pages)
Purrington, S., et al., "The Application of Elemental Fluorine in Organic Synthesis," Chem. Rev., 1986, vol. 86, No. 6, pp. 997-1018.
(22 pages)
Cited by 4 patents
Grakauskas, V., "Direct Liquid-Phase Fluorination of Aromatic Compounds," J. Amer. Chem. Soc., vol. 35, No. 3, pp. 723-728 (Mar. 1970).
Cited by 2 patents
Cacace, F., et al., "Substrate Selectivity and Orientation in Aromatic Substitution by Molecular Fluorine," Journal of the American Chemical Society, 1980, vol. 102, pp. 3511-3515.
(5 pages)
Cited by 2 patents
Namavari, M., et al., "Regioselective Radiofluorodestanylation with [18 F]F2 and [18 F]CH3 COOF: a High Yield Synthesis of '6-[18 F]Fluoro-L-dopa," Appl. Radiat. Isot., 1992, vol. 43, No. 8, pp. 989-996.
(8 pages)
[ISI abstract]
Namavari, M., et al., "Synthesis of 6-[18 F] and 4-[18 F]Fluoro-L-m-tyrosines via Regioselective Radiofluorodestannylation," Appl. Radiat. Isot., 1993, vol. 44, No. 3, pp. 527-536.
(10 pages)
[ISI abstract]
Modesto Orozco, et al., "Quantum Chemical Study of the Electronic and Conformational Characteristics of Adenosine and 8-Substituted Derivatives: Functional Implications in the Mechanism of Reaction of Adenosine Deaminase" Journal of Pharmaceutical Sciences, vol. 79, No. 2, pp. 133-137 (Feb. 1990).
(5 pages)
Cited by 2 patents
Morris J. Robins, et al., "Nucleic Acid Related Compounds. 47. Synthesis and Biolgoical Activities of Pyrimidine and Purine "Acryclic" Nucleoside Analogues", J. Med. Chem., 1984, vol. 27, 1486-1492., Issue No. 11.
(7 pages)
Van Der Puy, M., et al., "Controlled, Regiospecific Oxidation of Pyridine Carboxylic Acids and Esters With Elemental Fluorine," Tetrahedron Letters, 1988, vol. 29, No. 35, pp. 4389-4392.
Kosower, E. M., et al., "Bimanes. 21. syn-(Methyl,fluoro)bimane, Formation via Acetyl Hypofluorite," J. Org. Chem., 1985, vol. 50, No. 21, pp. 4152-4154.
(3 pages)
Cited by 2 patents
Luxen, A., et al., "Electrophilic And Nucleophilic Approaches to the Synthesis of 3-Fluorodiazepam," Journal of Fluorine Chemistry, 1987, 36, pp. 83-92.
(10 pages)
Cited by 2 patents
Bryce, M. R., et al., "Electrophilic fluorination of tin and mercury derivatives as a route to fluoroaromatics," Bulletin De La Societe Chimique De France, 1986, No. 6, pp. 930-932.
(3 pages)
Cited by 3 patents
Fused Pyrimides, Brown, D.J. Ed.; Part II, Purines; Meister, J.H. Ed.; Wiley-Interscience: New York, 1971, Chapter V, pp. 136-201.
Stolarski, R., et al., "Comparison Of Theoretical and Experimental Approaches To Determination of Conformation of Nucleosides About The Glycosidic Bond," Biochimica et Biophysica Acta, 1980, 610, pp. 1-19.
(19 pages)
Cited by 2 patents
Silverman, R.B. in Mechanism-Based Enzyme Inactivation: Chemistry and Enzymology; CRC Press, Inc.: Boca Raton, FL, 1988; vol. 1, pp. 59-93.
Mario Ikehara and Tohikazu Fukui, Studies of Nucleosides and Nucleotides. LVIII*.Deamination of Adenosine Analogs with Calf Intestine Adenosine Deaminase, Biochemical et Biophysica Acta, vol. 338, 1974; 512-519.
(8 pages)
Cited by 2 patents

|


|
Nominate this for the Gallery...

|
|