AU2012200616B2 - Trihydroxy polyunsaturated eicosanoid derivatives - Google Patents
Trihydroxy polyunsaturated eicosanoid derivatives Download PDFInfo
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- AU2012200616B2 AU2012200616B2 AU2012200616A AU2012200616A AU2012200616B2 AU 2012200616 B2 AU2012200616 B2 AU 2012200616B2 AU 2012200616 A AU2012200616 A AU 2012200616A AU 2012200616 A AU2012200616 A AU 2012200616A AU 2012200616 B2 AU2012200616 B2 AU 2012200616B2
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- Prior art keywords
- compound
- hydrogen
- aryl
- alkyl
- alkoxy
- Prior art date
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- 150000002066 eicosanoids Chemical class 0.000 title abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 59
- 206010061218 Inflammation Diseases 0.000 claims abstract description 11
- 230000004054 inflammatory process Effects 0.000 claims abstract description 11
- 201000010099 disease Diseases 0.000 claims abstract description 10
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims abstract description 10
- 230000002159 abnormal effect Effects 0.000 claims abstract description 9
- 230000028709 inflammatory response Effects 0.000 claims abstract description 9
- 230000004663 cell proliferation Effects 0.000 claims abstract description 8
- 208000023275 Autoimmune disease Diseases 0.000 claims abstract description 7
- 208000024172 Cardiovascular disease Diseases 0.000 claims abstract description 7
- 206010028980 Neoplasm Diseases 0.000 claims abstract description 7
- 201000011510 cancer Diseases 0.000 claims abstract description 7
- 206010039073 rheumatoid arthritis Diseases 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 87
- 125000003118 aryl group Chemical group 0.000 claims description 77
- 125000000217 alkyl group Chemical group 0.000 claims description 65
- 229910052739 hydrogen Inorganic materials 0.000 claims description 62
- 239000001257 hydrogen Substances 0.000 claims description 61
- 125000001072 heteroaryl group Chemical group 0.000 claims description 57
- 125000003545 alkoxy group Chemical group 0.000 claims description 54
- 150000002431 hydrogen Chemical class 0.000 claims description 46
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 43
- -1 alkylarnino Chemical group 0.000 claims description 37
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 36
- 125000004104 aryloxy group Chemical group 0.000 claims description 27
- 125000000623 heterocyclic group Chemical group 0.000 claims description 25
- 125000002837 carbocyclic group Chemical group 0.000 claims description 24
- 125000004663 dialkyl amino group Chemical group 0.000 claims description 24
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- 229910052725 zinc Inorganic materials 0.000 claims description 17
- 150000001768 cations Chemical class 0.000 claims description 16
- 229910052700 potassium Inorganic materials 0.000 claims description 16
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 16
- 229910052708 sodium Inorganic materials 0.000 claims description 16
- 125000005207 tetraalkylammonium group Chemical group 0.000 claims description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 15
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- 239000008194 pharmaceutical composition Substances 0.000 claims description 8
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- 125000001981 tert-butyldimethylsilyl group Chemical group [H]C([H])([H])[Si]([H])(C([H])([H])[H])[*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 9
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- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
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- 238000002372 labelling Methods 0.000 description 1
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- 239000000787 lecithin Substances 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 239000002502 liposome Substances 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- NXPHGHWWQRMDIA-UHFFFAOYSA-M magnesium;carbanide;bromide Chemical compound [CH3-].[Mg+2].[Br-] NXPHGHWWQRMDIA-UHFFFAOYSA-M 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- FACURJOXBRSAHH-DOWYHOLBSA-N methyl (5s,8e,10e,12r,16e,18r)-5,12,18-tris[[tert-butyl(dimethyl)silyl]oxy]icosa-8,10,16-trien-6,14-diynoate Chemical compound CC(C)(C)[Si](C)(C)O[C@H](CC)\C=C\C#CC[C@@H](O[Si](C)(C)C(C)(C)C)\C=C\C=C\C#C[C@@H](O[Si](C)(C)C(C)(C)C)CCCC(=O)OC FACURJOXBRSAHH-DOWYHOLBSA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 1
- 229940012189 methyl orange Drugs 0.000 description 1
- 235000010270 methyl p-hydroxybenzoate Nutrition 0.000 description 1
- 229960001047 methyl salicylate Drugs 0.000 description 1
- 229940016286 microcrystalline cellulose Drugs 0.000 description 1
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 1
- 239000008108 microcrystalline cellulose Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009456 molecular mechanism Effects 0.000 description 1
- 239000003068 molecular probe Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000002324 mouth wash Substances 0.000 description 1
- 229940051866 mouthwash Drugs 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 239000007922 nasal spray Substances 0.000 description 1
- 239000006218 nasal suppository Substances 0.000 description 1
- 239000006199 nebulizer Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 230000036470 plasma concentration Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 239000008389 polyethoxylated castor oil Substances 0.000 description 1
- 239000004633 polyglycolic acid Substances 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
- 229940081974 saccharin Drugs 0.000 description 1
- 235000019204 saccharin Nutrition 0.000 description 1
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- WRIKHQLVHPKCJU-UHFFFAOYSA-N sodium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([Na])[Si](C)(C)C WRIKHQLVHPKCJU-UHFFFAOYSA-N 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 231100001274 therapeutic index Toxicity 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- RTKIYNMVFMVABJ-UHFFFAOYSA-L thimerosal Chemical compound [Na+].CC[Hg]SC1=CC=CC=C1C([O-])=O RTKIYNMVFMVABJ-UHFFFAOYSA-L 0.000 description 1
- 229940033663 thimerosal Drugs 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- STMPXDBGVJZCEX-UHFFFAOYSA-N triethylsilyl trifluoromethanesulfonate Chemical compound CC[Si](CC)(CC)OS(=O)(=O)C(F)(F)F STMPXDBGVJZCEX-UHFFFAOYSA-N 0.000 description 1
- CWMFRHBXRUITQE-UHFFFAOYSA-N trimethylsilylacetylene Chemical group C[Si](C)(C)C#C CWMFRHBXRUITQE-UHFFFAOYSA-N 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
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Landscapes
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention features methods for the preparation of naturally occurring trihydroxy polyunsaturated eicosanoids and their structural analogs. The invention further provides new derivatives and analogs of trihydroxy polyunsaturated eicosanoids that can be prepared according to these methods. The invention also provides compositions and methods using trihydroxy polyunsaturated eicosanoid derivatives for the prevention, amelioration and treatment of a variety of diseases or conditions associated with inflammation or inflammatory response, autoimmune diseases, rheumatoid arthritis, cardiovascular diseases, or abnormal cell proliferation or cancer.
Description
Pool Section 29 Regulation 3.2(2) AUSTRALIA Patents Act 1990 COMPLETE SPECIFICATION STANDARD PATENT Application Number: Lodged: Invention Title: Trihydroxy polyunsaturated eicosanoid derivatives The following statement is a full description of this invention, including the best method of performing it known to us: P11 1AHAU/0710 TRIHYDROXY POLYUNSATURATED EICOSANOID DERIVATIVES CROSS REFERENCE TO RELATED APPLICATIONS This application claims benefit of 11/093,757, filed March 29, 2005, which is a 5 continuation-in-part of U.S. Patent No. 6,949,664, issued September 27, 2005, which is U.S. Patent Application No. 10/405,924 and claims benefit of priority under 35 U.S.C. §119(e) to and U.S. Provisional Patent Application Serial No. 60/369,543, filed on April 1, 2002. The content of each of these applications is hereby incorporated in its entirety by reference. 10 STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH The U.S. Government may have certain rights in this invention pursuant to Grant No. POI-DE13499 (Subcontract) awarded by the National Institutes of Health. RELATED APPLICATIONS 15 This application is a continuation-in-part of allowed U.S. application Serial No. 10/405,924, filed on April 1, 2003. U.S. application Serial No. 10/405,924 claims benefit of priority under 35 U.SC. §119(e) to and U.S. Provisional Patent Application Serial No. 60/369,543, filed on April 1, 2002. The content of each of these applications is hereby incorporated in its entirety by reference. 20 FIELD OF THE INVENTION This invention relates to trihydroxy polyunsaturated eicosanoid derivatives and methods for the preparation of such compounds and their structural analogs. This invention also relates to compounds, compositions and methods using trihydroxy polyunsaturated 25 eicosanoid derivatives for the prevention, amelioration and treatment of a variety of diseases or conditions associated with inflammation or inflammatory response, autoimmune diseases, rheumatoid arthritis, cardiovascular diseases, or abnormal cell proliferation or cancer. BACKGROUND OF THE INVENTION 30 The present invention provides methods for preparing lipid mediators related to Co-3 polyunsaturated fatty acids (PUFA), which have potential use in the development of new pharmaceuticals based on the well-established beneficial effects of PUFA. It has long been suggested that dietary o-3 polyunsaturated fatty acids (PUFA) (De Caterina, R., Endres, S.; Kristensen, S. D.; Schmidt, E. B., (eds). w-3 Fatty Acids and -1- Vascular Disease, Springer-Verlag, London. 166 pp. 1993; Gill, I., and Valivety, R. (1997), Trends in Biotechnology 15, 401-409;) have beneficial effects in human health and in the prevention of various diseases, including inflammation and autoimmune diseases (Simopoulos, A. P. (2002), J. Am. Coll. Nutrition 21, 495-505), rheumatoid arthritis s (Cleland, L. G., James, M. J., and Proudman, S. M. (2003), Drugs 63, 845-853), cardiovascular diseases (Billman, G. E., et al. Circulation. 1999, 99, 2452; Harper, C. R., and Jacobson, T. A. (2001) Arch. Intern. Med. 161, 2185-2192), and cancer (Iigo, M. et al, Br. J. Cancer, 1997, 75, 650; Larsson, S. C., Kumlin, M., Ingelman-Sundberg, M., and Wolk, A. (2004), Am. J Clin. Nutr. 79, 935- 945). 10 Eicosapentaenoic acid (C20:5), the major PUFA in fish oil, was shown to form prostaglandins (PG), leukotrienes (LT) and other eicosanoids that are similar to those derived from arachidonic acid (C20:4). The different biological properties of these molecules were considered to be responsible for the role of PUFA. Despite numerous studies in this area, however, the molecular mechanisms for the actions of PUFA remain unknown. 15 The conversion of arachidonic acid (C20:4) to a variety of bioactive eicosanoids, including prostaglandins (PG), leukotrienes (LT) and lipoxins (LX) is well known (Nicolaou, K. C.; Ramphal, J. Y.; Petasis, N. A.; Serhan, C. N. Angew. Chem. Int. Ed. EngL 1991, 30, 1100). It was recently demonstrated (Serhan, C. N. et al. J. Exp. Med. 2000. 192,1197) that 20 human endothelial cells with up-regulated COX-2 treated with aspirin convert o-3 polyunsaturated fatty acids to 18R-HEPE as well as 15R-HEPE. While 15R-HEPE led to the 5-series lipoxins (1SR-LXA 5 ), 18R-HEPE led to 5S, 12R,18R-triHEPE (1), a novel trihydroxy-eicosanoid related to the structure of LTB 4 . Due to their role in the resolution of inflammation, compounds of this type were named Resolvins (Serhan, C. N.; et al., J. Exp. 25 Med. 2002, 196,1025; Serhan, C. N. (2004) Histochem Cell Biol (2004) 122:305-321), while compound I was named Resolvin El. OH OH 0 OH OH 6S, 12R, 18R-triH EPE or Resolvin El (1) 30 -2- The formation of these trihydroxy polyunsaturated eicosanoids from PUFA suggests a novel mechanism for the therapeutic benefits of PUFA with major implications for new The formation of these trihydroxy polyunsaturated eicosanoids from PUFA suggests a novel mechanism for the therapeutic benefits of PUFA with major implications for new therapeutic s approaches to a variety of diseases. Methods for the preparation of such compounds, therefore, are of great importance to the development of new therapeutic agents. Furthermore, the development of structural derivatives of these compounds may be useful for the optimization of their phannacological profile and other desirable drug-like properties. .0 SUMMARY The invention features methods for the preparation of naturally occurring trihydroxy polyunsaturated eicosanoids and their structural analogs. The invention further provides new derivatives of trihydroxy polyunsaturated eicosanoids that can be prepared according to these methods. s The invention, the subject of this application, is directed to a compound selected from compounds having the general formulas 44 - 47: ORb ORa 0 ORb OR" Q R 5"A R A 44 SiR 3 2 ORb
OR
8 j R 8
R
2 ORb ORa 0 R R2R5 R RSKA 46 SiR 3 47 wherein: o A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino, or -OM, where M is a cation selected from ammonium, tetra-alkyl ammonium, Na, K, Mg, and Zn; and R" and Rb are each hydrogen;
R
2 is hydrogen, alkyl, perfluoroalkyl, aryl and heteroaryl;
R
5 is selected from i)-iv) as follows: - 3i) CH 2 CH(R6)CH 2 , where R 6 is hydrogen, alkyl, perfluoroalkyl, aryl, heteroaryl, hydroxy or alkoxy; ii) CH 2
C(R
6
R
7
)CH
2 , where R 6 and R 7 are each independently alkyl, perfluoroalkyl, or aryl, or R 6 and R 7 are connected together to form a carbocyclic or heterocyclic ring; 5 iii) CH 2
C(O)CH
2 ; and iv) a carbocyclic, heterocyclic, aryl or heteroaryl ring; and
R
8 and R 9 are independently selected from hydrogen, alkyl, perfluoroalkyl, alkoxy, aryl and heteroaryl, or R 8 and R 9 are connected together to form a carbocyclic or heterocyclic ring; and LO each of the three R groups in SiR 3 is independently selected from alkyl, aryl and alkoxy. The invention, the subject of this application, is also directed to a compound selected from compounds having a structure of formula 46 or 47:
R
8
R
2 ORb ORaO R 8
R
2 OR' ORO a
R
9
R
5 9 A R9 R 5 A 46 SiR 3 .5 wherein: A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino, or -OM, where M is a cation selected from ammonium, tetra-alkyl ammonium, Na, K, Mg, and Zn; Ra and Rb are each hydrogen;
R
2 is alkyl, perfluoroalkyl, aryl and heteroaryl; 20 R 5 is selected from i)-iv) as follows: i) CH 2
CH(R
6
)CH
2 , where R 6 is hydrogen, alkyl, perfluoroalkyl, aryl, heteroaryl, fluoro, hydroxy or alkoxy; ii) CH 2
C(R
6
R
7
)CH
2 , where R' and R7 are each independently alkyl, perfluoroalkyl, aryl, or fluoro, or R 6 and R 7 are connected together to form a carbocyclic or heterocyclic ring; 25 iii) CH 2 0CH 2 , CH 2
C(O)CH
2 , or CH 2
CH
2 ; iv) a carbocyclic, heterocyclic, aryl or heteroaryl ring; and -4-
R
8 and R 9 are independently selected from hydrogen, alkyl, perfluoroalkyl, alkoxy, aryl and heteroaryl, or R 8 and R 9 are connected together to form a carbocyclic or heterocyclic ring; and each of the three R groups in SiR 3 is independently selected from alkyl, aryl and 5 alkoxy. In a further embodiment, the invention, the subject of this application is directed to a compound having a structure of general formula 44: OR' ORa 0 R 5 "A 44 10 wherein: A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino, or -OM, where M is a cation of ammonium, tetra-alkyl ammonium, Na, K, Mg, or Zn; and Ra and Rb are hydrogen; R5 is i)-iv) as follows: 15 i) CH 2
CH(R
6
)CH
2 , where R' is hydrogen, alkyl, perfluoroalkyl, aryl, heteroaryl, fluoro, hydroxy or alkoxy; ii) CH2C(R 6
R
7
)CH
2 , where R 6 and R7 are each independently alkyl, perfluoroalkyl, aryl, or fluoro, or R6 and R7 are connected together to form a carbocyclic or heterocyclic ring; iii) CH 2
OCH
2 , CH 2
C(O)CH
2 , or CH 2
CH
2 ; or 20 iv) a carbocyclic, heterocyclic, aryl or heteroaryl ring. -5- In a still further embodiment, the invention, the subject of this application is directed to a compound having a structure of general formula 46:
R
8
R
2 ORb ORa o 46 wherein: s A is hydroxy or alkoxy; Ra, Rb, R 2 , R' and R 9 are each hydrogen; and
R
5 is CH 2
CH
2
CH
2 . In general, in one aspect, the invention features methods of preparing trihydroxy .o polyunsaturated eicosanoids, such as 1, as outlined in Scheme 1. The two (Z) C=C bonds can be formed via selective hydrogenation of the bis-alkynyl precursor 2. Compound 2 can be prepared via a palladium-mediated coupling (coupling step a) between intermediates 3 and 4, where X is Br, or I. Compound 4 can be prepared via the olefination of aldehyde 5, which is readily available from protected epoxide 6. Intermediate 3 can be prepared in several .5 different ways, as discussed below, from precursors 7 and 8, while compound 8 can readily prepared from protected epoxide 9. -6- Scheme 1 OH OH O OH OH O OH OH OH OH 12 cnOR" OR" 0
OR
0
'OR
0 5 4 3 OR' HO0 0 OR" 0 O L NOH
OR
0 6 8 7 SiR 3 The invention also provides methods for the preparation of compounds of the general formula 3, which can be used to prepare trihydroxy polyunsaturated eicosanoids or their analogs. Compound 3 can be prepared in several different ways, as outlined in Scheme 2. ORa O Scheme 2 OR' 11 12 al Method AHOBr a OR' ORa 0 ORb OR 8 0 13 I c
OR
0
OR
0 3 10 oga O
SIR
3 Methd OR' R*O Oa O d (Method o R 0 B O O 17 d c ORa O a OR:' RdO 2ORB ReO'B.[.Br 19 SiR 3 1 8 O OR' ORbd RdO-R, x"Br RdO Br 0 Br 20 8 16 15 22 S
SIR
3 siR 3 -7- According to Method A, compound 3 can be prepared via the addition of an allenyl reagent 11 (M is magnesium, zinc, copper, tin, silicon or boron) to precursor 12, which is readily available via the Pd-coupling between the known bromide 13 and the known alkyne 7. 5 According to Method B, compound 3 is prepared from precursor 10, which is produced via Pd-mediated coupling (coupling process b) of 7 with intermediate 14. Compound 14, can be prepared via Pd-coupling (coupling process c) between 15 and precursor 16, which can be prepared via the olefination (coupling process d) of aldehyde intermediate 8. Alternatively, compound 14, can be prepared via a Wittig-type reaction 10 (coupling process d) between 20 and aldehyde 8. Compound 14 can also be prepared via silylation of its alkyne precursor 21, which can be formed via addition to the aldehyde 22 (coupling process a). According to Method C, precursor 10, is formed via the Pd-coupling (coupling process c) between 16 and alkenyl boron compound 17, which is readily available via the Pd 15 coupling (coupling process c) between alkenyl boron compound 18 and intermediate 7. Finally, according to Method D, compound 10, is prepared via the alkenylation (coupling process d) of aldehyde intermediate 8 with phosphonate intermediate 19, which is readily available via the Pd-coupling (coupling process b) between the compound 20 with 7. In another aspect, the invention features methods for the synthesis of compounds 20 having the general formulas 23 and 24, as outlined in Scheme 3. Compound 23 can be prepared via the selective hydrogenation of compound 24, which can be produced via a Sonogashira-type coupling among compounds 25 and 26: -8- Scheme 3 R2 R OR WG
R
3 ORc 25 26 Sonogashira-type coupling 2OR'b OR' R 2 oRb R' OR 5 2 R. R R W-G W-G
R
3 OR Selective R 3 OR' Hydrogenation 24 23 wherein: R", Rb and R", are independently selected from the group consisting of hydrogen, alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl and aminoacyl; 5 R', R2 and R 3 are independently selected from the group consisting of hydrogen, alkyl, perfluoroalkyl, aryl and heteroaryl; Q is selected from the group consisting of: -C(O)-A, -SO2-A, -PO(OR)-A, where A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is a cation selected 10 from the group consisting of ammonium, tetra-alkyl ammonium, Na, K, Mg, and Zn, and R is hydroxyl or alkoxy; Y, Z and W are linkers independently selected from the group consisting of a ring containing up to 20 atoms and a chain of up to 20 atoms, provided that Y, Z and W can independently include one or more nitrogen, oxygen, is sulfur or phosphorous atoms, and further provided that Y, Z and W can independently include one or more substituents selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, chloro, iodo, bromo, fluoro, hydroxy, alkoxy, aryloxy, carboxy, amino, alkylamino, dialkylamino, acylamino, carboxamido, cyano, oxo, thio, 20 alkylthio, arylthio, acylthio, alkylsulfonate, arylsulfonate, phosphoryl, and sulfonyl, and further provided that Y, Z and W can also contain one or more fused carbocyclic, heterocyclic, aryl or heteroaryl rings, and -9provided that all linkers Y are connected to the adjacent C(R)OR group via a carbon atom; X is Cl, Br or 1; and G is selected from the group consisting of hydrogen, alkyl, perfluoroalkyl, 5 alkenyl, alkynyl, aryl, heteroaryl, chloro, iodo, bromo, fluoro, hydroxy, alkoxy, aryloxy, carboxy, amino, alkylamino, dialkylamino, acylamino, and carboxamido The invention also provides compounds and compositions containing synthetic analogs of trihydroxy polyunsaturated eicosanoids that are synthetic derivatives or analogs of io compound 1 and exhibit improved chemical and biological properties. The provided compounds include derivatives having the general formulas 23 and 24: ORb R 1 ORa R 2 ORb ORa Z - Y-Q zW Y-Q W-G / W-G
R
3 ORc R 3 ORc 23 24 wherein, A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is 15 a cation selected from a group consisting of ammonium, tetra-alkyl ammonium, Na, K, Mg, or Zn; Ra, Rb and Re, are independently selected from a group that consists of hydrogen, alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl or aminoacyl; R', R2 and R3 are independently selected from a group that consists of hydrogen, 20 alkyl, perfluoroalkyl, aryl or heteroaryl; Q is selected from a group that consists of: -C(O)-A, -S02-A, -PO(OR)-A, where A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is a cation selected from a group consisting of ammonium, tetra-alkyl ammonium, Na, K, Mg, or Zn; and R is 25 hydroxyl or alkoxy; Y, Z and W are linkers selected from a group consisting of a ring or a chain of up to 20 atoms that may include one or more nitrogen, oxygen, sulfur or phosphorous atoms, provided that linker A can have one or more substituents selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, chloro, 30 iodo, bromo, fluoro, hydroxy, alkoxy, aryloxy, carboxy, amino, alkylamino, -10dialkylamino, acylamino, carboxamido, cyano, oxo, thio, alkylthio, arylthio, acylthio, alkylsulfonate, arylsulfonate, phosphoryl, and sulfonyl, and further provided that the linker may also contain one or more fused rings, including carbocyclic, heterocyclic, aryl or heteroaryl rins, provided that all linkers Y are 5 connected to the adjacent C(R)OR group via a carbon atom; G is selected from a group that consists of hydrogen, alkyl, perfluoroalkyl, alkenyl, alkynyl, aryl, heteroaryl, chloro, iodo, bromo, fluoro, hydroxy, alkoxy, aryloxy, carboxy, amino, alkylamino, dialkylamino, acylamino, and carboxamido. In other aspects, the invention also features pharmaceutical compositions including 1o the compounds of the invention, as well as therapeutic uses for such compounds and compositions in treating and/or preventing a disease or condition associated with inflammation or inflammatory response, autoimmune diseases, rheumatoid arthritis, cardiovascular diseases, or abnormal cell proliferation or cancer. The details of one or more embodiments of the invention are set forth in the is description below. Unless otherwise defined, all technical and scientific terms used herein have the meaning commonly understood by one of ordinary skill in the art to which this invention belongs. All publications, patent applications, patents, and other references mentioned herein are incorporated by reference in their entirety. In case of conflict, the present specification, including definitions, will control. Other features and advantages of the 20 invention will become apparent from the description and the claims. DETAILED DESCRIPTION OF THE INVENTION Definitions: As used in this specification, alkyl groups can include straight-chained, branched and 25 cyclic alkyl radicals containing up to about 20 carbons. Suitable alkyl groups may be saturated or unsaturated. Further, an alkyl may also be substituted one or more times on one or more carbons with one or more substituents selected from the group consisting of Cl -C6 alkyl, C3-C6 heterocycle, aryl, halo, hydroxy, amino, alkoxy and sulfonyl. Additionally, an alkyl group may contain up to 10 heteroatoms or heteroatom substituents. Suitable 3o heteroatoms include nitrogen, oxygen, sulfur and phosphorous. As used in this specification, aryl groups are aryl radicals which may contain up to 10 heteroatoms. An aryl group may also be optionally substituted one or more times with an aryl group or a lower alkyl group and it may be also fused to other aryl or cycloalkyl rings. -11- Suitable aryl groups include, for example, phenyl, naphthyl, tolyl, imidazolyl, pyridyl, pyrroyl, thienyl, pyrimidyl, thiazolyl and furyl groups. As used in this specification, a ring is defined as having up to 20 atoms that may include one or more nitrogen, oxygen, sulfur or phosphorous atoms, provided that the ring 5 can have one or more substituents selected from the group consisting of hydrogen, alkyl, allyl, alkenyl, alkynyl, aryl, heteroaryl, chloro, iodo, bromo, fluoro, hydroxy, alkoxy, aryloxy, carboxy, amino, alkylamino, dialkylamino, acylamino, carboxamido, cyano, oxo, thio, alkylthio, arylthio, acylthio, alkylsulfonate, arylsulfonate, phosphoryl, and sulfonyl, and further provided that the ring may also contain one or more fused rings, including 10 carbocyclic, heterocyclic, aryl or heteroaryl rings. As used herein, "alkylene" refers to a straight, branched or cyclic, in certain embodiments straight or branched, divalent aliphatic hydrocarbon group, in one embodiment having from 1 to about 20 carbon atoms, in another embodiment having from I to 12 carbons. In a further embodiment alkylene includes lower alkylene. There may be optionally inserted is along the alkylene group one or more oxygen, sulphur or substituted or unsubstituted nitrogen atoms, where the nitrogen substituent is alkyl. Alkylene groups include, but are not limited to, methylene (-CH 2 -), ethylene (-CH 2
CH
2 -), propylene (-(CH 2
)
3 -), methylenedioxy (-O-CH 2 0-) and ethylenedioxy (-O-(CH2) 2 -O-). The term "lower alkylene" refers to alkylene groups having 1 to 6 carbons. In certain embodiments, alkylene groups are lower alkylene, including 20 alkylene of 1 to 3 carbon atoms. Methods for preparing Trihydroxy Polyunsaturated Eicosanoids and Analogs In general, in one aspect, the invention features methods of preparing trihydroxy polyunsaturated eicosanoids, such as 1, as outlined in Scheme 1. This strategy is highly 25 convergent and the two (Z) C=C bonds can be generated at the last step and thereby enhancing the stability and stereochemical integrity of the product. The two (Z) C-C bonds can be formed via selective hydrogenation of the bis-alkynyl precursor 2. The selective hydrogenation can be performed using hydrogen and Lindlar catalyst, or by using activated zinc in the presence of an alcohol such as methanol, or using an aqueous medium. The 3o activated zinc reagent suitable for this process can be prepared from zinc, a copper salt, such as copper acetate and a silver salt, such as silver nitrate according to literature procedures (Boland, W. et al. (1987) Helv. Chim. Acta 1987, 70, 1025; Alami, M. et al. (1997) Tetrahedron Asym., 8, 2949; Rodnguez, A. R. et al (2001) Tetrahedron Lett., 42, 6057). Compound 2 can be prepared via a palladium-mediated coupling (coupling step a) 35 between intermediates 3 and 4, where X is Br, or I. Compound 4 can be prepared via the -12olefination of aldehyde 4, which is readily available from protected epoxide 6. Intermediate 3 can be prepared in several different ways, as discussed below, from precursors 7 and 8, while compound 8 can readily prepared from protected epoxide 9. The invention also provides methods for the preparation of compounds of the general 5 formula 3, which can be used to prepare trihydroxy polyunsaturated eicosanoids or their analogs. Compound 3 can be prepared in several different ways, as outlined in Scheme 2. According to Method A, compound 3 can be prepared via the addition of an allenyl reagent 11 (M is magnesium, zinc, copper, tin, silicon or boron) to precursor 12, which is readily available via the Pd-coupling between the known bromide 13 and the known alkyne io 7. According to Method B, compound 3 is prepared from precursor 10, which is produced via Pd-mediated coupling (coupling process b) of 7 with intermediate 14. Compound 14, can be prepared via Pd-coupling (coupling process c) between 15 and precursor 16, which can be prepared via the olefination (coupling process d) of aldehyde is intermediate 8. Alternatively, compound 14, can be prepared via a Wittig-type reaction (coupling process d) between 20 and aldehyde 8. Compound 14 can also be prepared via silylation of its alkyne precursor 21, which can be formed via addition to the aldehyde 22 (coupling process a). According to Method C, precursor 10, is formed via the Pd-coupling (coupling 20 process c) between 16 and alkenyl boron compound 17, which is readily available via the Pd coupling (coupling process c) between alkenyl boron compound 18 and intermediate 7. Finally, according to Method D, compound 10, is prepared via the alkenylation (coupling process d) of aldehyde intermediate 8 with phosphonate intermediate 19, which is readily available via the Pd-coupling (coupling process b) between the compound 20 with 7. 25 The present invention involves several distinct building blocks which can be readily prepared as described below. Scheme 4 shows the synthesis of building blocks of type 4, while Scheme 5 shows the synthesis of building blocks of type 8 and 16. In both cases the stereochemistry of these building blocks is established unambiguously from the starting glycidol and it is retained 3o throughout the synthesis, allowing the synthesis of products with high stereochemical purity. -13- Scheme 4 Step I Step 2 0 OH TESCI, Imidazole, 0 NOTES MeMgBr, Cul OTES
CH
2 Cl 2 , R.T., THF, -400C, 2h, 100% 12 h, 78% TESOTf, 2,6-Lutidine,
CH
2 C1 2 , 00C to R.T., Step 3 4 h, 96% 1) DMSO, (COCI)2, OR CrC1 2 , CH 3 , OTES CH 2 Cl 2 , -40C , 45 min OTES X THF, O0C, O OTES 4 3h, 67% 2) NEts, -78 0 0to R.T., R= TES 1h, 50% X=i Step 5 Step 4 Scheme 5 OR" 1) TMSAcetylene, BuLi, OTES TESCI, Imidazole, THF, -78 00, 10 min O CH 2
CI
2 , 250C, 100% O 2) BF 3 Et 2 O, 1h, (R=H), 63% SiR 3 Rb=H TBDMSOTf, 2,6-Lutidine, Rb = TBDMS CH 2
C
2 , R.T., 4h, 100% R =Me R=TBDMS X = I x=I CSA bOR 1) DMSO, (COCI)2, ORCr1 2 , OH 3 , CH 2 C[2, -780C, 45 min OR' THF, 000, 2) NEts, -780C to R.T., OH 3h, 67% 1h, 87% SiR 3 SrR 3 8 SIR 3 5 Scheme 6 shows a method for the synthesis of intermediate of type 7 with high stereochemical purity. Scheme 6 O 0 TMS TMS O 0 S-alpine borane OH O CI OMe Al3CHl2OMe OMe AiT, H 2
C
2 IMS TMS 70% 84%, 90%ee TBDMS-OTf, lutidine 95% RO= TBDMS OR- 0 1. AgNO 3 OTBDMS 0
R
0 =Me ORO 2. KN OMe 7 85% TMS The combination of these building blocks to form key intermediate 3, can be done in a variety of ways. Scheme 7 shows a strategy according to Method A (Scheme 2), whereby the 10 alkyne intermediate of type 7, can be coupled with a dienyl bromide-alcohol to give a product that can be oxidized to an aldehyde. Addition of allenyl boronic acid derivative, according to -14chemistry reported by Yarnamoto (Ikeda, N.; Arai, I.; Yamamoto, H. J Am. Chem. Soc. 1986, 108, 483.) forms the intermediate of type 3, in good overall yield, but with modest stereocontrol. Scheme 7 ORa O HOBr
OR
8 0
OR
0 HO- 'YrN- X OR 7 Pd(PPh 3
)
4 , Cui, Et 2 NH, R.T, 3h, 96% 1) DMSO, (COCl) 2 ,
CH
2
C
2 , -780C 2) NEt 3 , -78 0 C to R.T 87% ORb OR 8 0OR B-OR* 0 OR@ 0
OR
0 HOR 1) PhCH 3 , -78 0 C, (R=H), 80%, 3 Ra= Rb =TBDMS 2) TBDMSOTf, 2,6-Lutidine, R =Me
CH
2 Cl 2 , 95%, (R=TBDMS) 5 Scheme 8 shows an alternative way to prepare the intermediate of type 3 is via an intermediate of type 10. According to Method B (Scheme 2) Negishi-type coupling of intermediate of type 16 followed by Sonogashira coupling with intermediate of type 7 gives the intermediate of type 10, which can be de-silylated to form the key intermediate of type 3. Scheme 8 1) tBuLi, Et 2 O, -78oC, 30 min. ORb 2) ZnC 2 , -78 0 C to RT B ORb 3) Br / Br , Pd(PPh 3
)
4 Br RT, 42% SiR 3 SiR 3 16 ORa 0 Rb= TBDMS R =Me NEt 3 , C 6
H
6 , Pd(PPh 3
)
4 , X=| RT, 85% ORb O AgNO 3 , KCN ORb ORa O OR' THF,
H
2 O, EtOH, RT, 89% _ ORO ORO 3 Ra= Rb=TBDMS SiR 3 10 10
R
0 =Me Another approach according to Method C for the preparation of 10, is shown in Scheme 9. Sonogashira coupling, followed by a Suzuki coupling gives the final product. -15- This iterative coupling can be done in a sequential manner and it is possible to do this in one pot. Scheme 9 o, 0m oI OR 0 Br OR
OR
0 _ORb 7 Pd, Gui, R3N Pd base SiR 3 ORb
OR
2 0 - OR 0 R= Rb =TBDMS RD =Me SiR 3 Scheme 10 shows one of the most effective ways to make intermediates of type 10, 5 which can be produced via Pd-mediated coupling of 7 with intermediate 14. Compound 14 can be prepared via a Wittig-type reaction between phosphonate 20 and aldehyde 8, followed by isomerization to the (E,E)-diene. Alternatively, compound 7 can be coupled with 20 via Pd-coupling to form phosphonate 19 which can be used in a Wittig-type reaction with aldehyde 8 followed by isomerization to form 10. Scheme 10 0 RdOj II ORa 0 RdOP Br 0 OR 6 OR' R 20 RdOJ OR 0 Pd(PPh 3
)
4 RdOf 19 Cul Et 3 N Base OR0 ORb OR a 0 ORD 0 Rdo I 1- 10 Br / RdOr- Br iR3Pd(PPh 2 Base 20 ui Et 3 N O RB
OR
8 O ORO Br 7 14 10 SIR 3 The final assembly of trihydroxy polyunsaturated eicosanoids and their analogs can -16be done as shown in Scheme 11. Sonogashira-type coupling of the two key intermediates 3 and 4, followed by deprotection gives the bis-alkynyl product of type 2. The final compound of type 1 can be obtained via selective hydrogenation using hydrogen and Lindlar catalyst or alternatively using activated zinc. The activated zinc is typically used in methanol or 5 aqueous media and can be prepared from zinc, Cu(OAc) 2
-H
2 0 and AgNO 3 using literature procedures (Boland, W. et al. (1987) Helv. Chim. Acta 1987, 70, 1025; Alami, M. et al. (1997)Tetrahedron Asymmetry, 8, 2949; Rodnguez, A. R. et al. (2001) Tetrahedron Lett., 42, 6057). Scheme 11 ORb ORa o OR Sonogashira-type ORO OR 0 ORO copln ORO ORc Pd(PPh 3
)
4 , Cul, NEt 3
OR
0
C
6 H, R.T., 61% 4 Ra=R" = R 0 =TBDMS TBAF, THF
R
2 =Me VC, 90% X=l OH OH 0
-OR
0 OH OH 0 OR H 2 , Pd-Lindlar OR OH or7 1 activated Zn, H 2 0 -MeOH OH 2 Selective Hydrogenation activated Zn, D 2 0 - CD 3 0D OH OH 0 - ORO TTR D OR HO 1-T 4 D HO 1-D4 10 Another embodiment of the present invention involves the preparation of isotopically labeled derivatives of lipid mediators, such as 1 and its analogs, by using activated zinc in the presence of isotopically labeled media, such as isotopically labeled water and isotopically labeled methanol. For example, compound 2 can be converted to the tetra-deuterio derivative 1-D 4 by using activated zinc-D 2 0-CD 3 0D, while the corresponding tritiated derivative 1-T 4 15 can be prepared similarly from tritiated water. This labeling process, can also be used to prepare other isotopically labeled polyunsaturated lipid mediators, such as lipoxins, leukotrienes and other resolvin derivatives. Such isotopically labeled polyunsaturated lipid mediators are useful as spectrometric or molecular probes for the detection and study of the -17biological actions of these molecules. The present synthesis offers major experimental advantages over the prior art. In the general case, outlined below, the present method can be used to prepare a wide range of compounds of the general formulas shown, wherein: Ris hydrogen, alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl and aminoacyl; and 5 RA and Ra are independently selected from the group consisting of alkyl, perfluoroalkyl, , alkenyl, aryl or heteroaryl. activated Zn activated Zn
T
2 0 - solvent D20 - CD300 Re A ReRA , sRA T T D D ORa activated Zn ORa activated Zn ORa R3RA
T
2 0 -solvent RB RA D20 - CD30D R RA D D T T OR" activated Zn OR activated Zn ORa 0 N RA T 2 0 - solvent RA D20 - CD30D T RA o RB RB T) RB Overall the provided synthetic methodology is highly convergent and allows a 10 number of possible combinations of the key intermediates by using Pd-mediated coupling processes. The above methodology is highly versatile and it can be readily extended to a variety of analogs of trihydroxy polyunsaturated eicosanoids that have similar frameworks. Thus, in another aspect, the invention features methods for the synthesis of compounds having the 15 general formulas 23 and 24, as outlined in Scheme 3. Compound 23 can be prepared via the selective hydrogenation of compound 24, which can be produced via a Sonogashira-type coupling among compounds 25 and 26: -18- Scheme 3 R2ORb R 1 OR' 2 R W-G
R
3 ORc 25 26 Sonogashira-type coupling OR' R 1 OR* R 2 OR' R RqRR R -- = Y-Qz- Y S W-G W-G
R
3 OR' Selective
R
3 ORc Hydrogenation 24 23 wherein: Ra, R and R4, are independently selected from the group consisting of 5 hydrogen, alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl and aminoacyl; R1, R2 and R3 are independently selected from the group consisting of hydrogen, alkyl, perfluoroalkyl, aryl and heteroaryl; Q is selected from the group consisting of: -C(O)-A, -SO2-A, -PO(OR)-A, where A is hydroxy, alkoxy, aryloxy, 10 amino, alkylamino, dialkylamino,or -OM, where M is a cation selected from the group consisting of ammonium, tetra-alkyl ammonium, Na, K, Mg, and Zn, and R is hydroxyl or alkoxy; Y, Z and W are linkers independently selected from the group consisting of a ring containing up to 20 atoms and a chain of up to 20 atoms, provided 15 that Y, Z and W can independently include one or more nitrogen, oxygen, sulfur or phosphorous atoms, and further provided that Y, Z and W can independently include one or more substituents selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, chloro, iodo, bromo, fluoro, hydroxy, alkoxy, aryloxy, carboxy, amino, 20 alkylamino, dialkylamino, acylamino, carboxamido, cyano, oxo, thio, alkylthio, arylthio, acylthio, alkylsulfonate, arylsulfonate, phosphoryl, and sulfonyl, and further provided that Y, Z and W can also contain one or -19more fused carbocyclic, heterocyclic, aryl or heteroaryl rings, and provided that all linkers Y are connected to the adjacent C(R)OR group via a carbon atom; X is Cl, Br or I; and 5 G is selected from the group consisting of hydrogen, alkyl, perfluoroalkyl, alkenyl, alkynyl, aryl, heteroaryl, chloro, iodo, bromo, fluoro, hydroxy, alkoxy, aryloxy, carboxy, amino, alkylamino, dialkylamino, acylamino, and carboxamido. In some embodiments, the invention provides a method for the synthesis of 10 compounds of general formulas 27 and 28 (Scheme 12), wherein: A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is a cation selected from the group consisting of ammonium, tetra-alkyl ammonium, Na, K, Mg, and Zn; and R", Rb and R", are independently selected from the group consisting of hydrogen, is alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl and aminoacyl; and As outlined in Scheme 12, compound 27 can be prepared via the selective hydrogenation of compound 28, which can be performed by treating compound 28 with hydrogen and Lindlar catalyst or by using activated zinc in the presence of an alcohol such as methanol, or using an aqueous medium. The activated zinc reagent suitable for this process 20 can be prepared from zinc, a copper salt, such as copper acetate and a silver salt, such as silver nitrate. Compounds of the general formula 28 can be prepared via a Sonogashira-type coupling among a compound of formula 29 and a compound of fonnula 4, where X is Cl, Br or I. For example compounds 29 and 4 can be converted to 28, upon treatment with a 25 palladium catalyst, such as tetrakis(triphenyl phosphine)palladium, in the presence of a copper salt such as copper(I) iodide, and an amine base such as triethylamine. -20- Scheme 12
OR
8
OR
0 0 RO'B----r A R* OR* OR 0 O 33 Ro' Rdo Br OR' O A OR 3 Br OR' O 1 31[ 35
OR
0 _ A SiR 3 SiRs RdO'R 31 ORb ORb OR 0 f"30 29 SiR 3 Sonogashira-type X ORO 0 coupling 4 OR A 38 ORb OR 0 0 ORb ORa 0 \ / Selective A27 Hydrogenation AORe 28 The invention also provides methods for the preparation of compound of formula 29 or its analogs. Compound 29 can be prepared via several methods which are outlined in 5 Scheme 12. One such method involves the Wittig-type coupling among an aldehyde compound of formula 30 and a phosphonate compound of formula 31, followed by desilylation. Compound 31 can be formed via the Sonogashira-type coupling among compound 32 and alkyne compound 33. In another embodiment, compound 29 can be prepared via the direct Sonogashira-type io coupling among alkyne compound 33 and compound of formula 34. Alternatively, compound 33 can be coupled to compound 37 to form compound 36 which can undergo a Suzuki-type coupling with compound 35 to produce, after desilylation, the key compound 29. Compound of formula 34 can be prepared by several methods, including the Wittig-type coupling between aldehyde 30 and phosphonate 31, and the palladium-mediated 15 homologation of compound 35. Compound 29 can also be prepared via the addition of an allenyl organoboron derivative or other allenyl organometallic derivative 11 to aldehyde 38, which can be prepared form 33. In compounds shown in Scheme 12, -21- A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is a cation selected from the group consisting of anmonium, tetra-alkyl ammonium, Na, K, Mg, and Zn; Ra and Rb are independently selected from the group consisting of hydrogen, 5 alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl and aminoacyl; and X is Cl, Br or I; Rd is alkyl or aryl; and
R
0 is hydrogen, alkyl or aryl; and each of the three R groups in SiR 3 is independently selected from a group 10 consisting of alkyl, aryl and alkoxy; and
M
2 is magnesium zinc, copper, tin, silicon or boron. Trihydroxy Polyunsaturated Eicosanoid Analogs The invention also provides compounds and compositions containing synthetic analogs of trihydroxy polyunsaturated eicosanoids that are synthetic derivatives or analogs of 15 compound 1 and exhibit improved chemical and biological properties. The provided compounds include derivatives having the general formulas 27 and 28. ORb ORa 0 ORb ORa 0 -A A ORc ORc 27 28 wherein: A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is 20 a cation selected from the group consisting of ammonium, tetra-alkyl ammonium, Na, K, Mg, and Zn; and Ra, Rb and R4, are independently selected from the group consisting of hydrogen, alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl and aminoacyl. The invention also provides compounds having the general formulas 23 and 24, as 25 well as methods for their preparation and use. -22-
R
2 ORb R 1 ORa R 2 ORb R?' ORa Z -NX- YQ Z > - W-G W-G
R
3 ORe R 3 ORc 23 24 wherein, A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is a cation selected from a group consisting of ammonium, tetra-alkyl ammonium, 5 Na, K, Mg, or Zn; Ra, Rb and Re, are independently selected from a group that consists of hydrogen, alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl or aminoacyl; R1, R2 and R 3 are independently selected from a group that consists of hydrogen, alkyl, perfluoroalkyl, aryl or heteroaryl; 10 Q is selected from a group that consists of: -C(O)-A, -S02-A, -PO(OR)-A, where A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is a cation selected from a group consisting of ammonium, tetra-alkyl ammonium, Na, K, Mg, or Zn; and R is hydroxyl or alkoxy; 15 Y, Z and W are linkers selected from a group consisting of a ring or a chain of up to 20 atoms that may include one or more nitrogen, oxygen, sulfur or phosphorous atoms, provided that linker A can have one or more substituents selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, chloro, iodo, bromo, fluoro, hydroxy, alkoxy, aryloxy, carboxy, amino, alkylamino, 20 dialkylamino, acylamino, carboxamido, cyano, oxo, thio, alkylthio, arylthio, acylthio, alkylsulfonate, arylsulfonate, phosphoryl, and sulfonyl, and further provided that the linker may also contain one or more fused rings, including carbocyclic, heterocyclic, aryl or heteroaryl rins, provided that all linkers Y are connected to the adjacent C(R)OR group via a carbon atom; 25 G is selected from a group that consists of hydrogen, alkyl, perfluoroalkyl, alkenyl, alkynyl, aryl, heteroaryl, chloro, iodo, bromo, fluoro, hydroxy, alkoxy, aryloxy, carboxy, amino, alkylamino, dialkylamino, acylamino, and carboxamido. In certain embodiments, Y, Z and W are each alkylene which can be substituted or unsubstituted. In other embodiments, Y, Z and W are selected from methylene, ethylene and -23propylene. In other embodiments, Y is methylene. In other embodiments, Z is propylene. In other embodiments, W is ethylene. Some preferred embodiments of the present invention provide compounds having the general formulas 39 and 40, as well as methods for their preparation and use. ORb ORa 0 ORb ORc o - R 5 A - R 5 A R R0 R R4 Rc O Rco R3 5 39 40 wherein: A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is a cation selected from the group consisting of ammonium, tetra-alkyl ammonium, Na, K, Mg, and Zn; and 10 R", Rb and R4, are independently selected from the group consisting of hydrogen, alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl and aminoacyl;
R
3 is selected from the group consisting of hydrogen, alkyl, perfluoroalkyl, aryl and heteroaryl; R4 is selected from the group consisting of hydrogen, alkyl, perfluoroalkyl, 15 alkenyl, alkynyl, aryl, heteroaryl, fluoro, hydroxy, alkoxy, aryloxy,
R
5 is selected from the group consisting of (i)-(iv) as follows: i) CH 2
CH(R
6
)CH
2 , where R' is hydrogen, alkyl, perfluoroalkyl, aryl, heteroaryl, fluoro, hydroxy or alkoxy; ii) CH2C(R 6
R
7 )CHz, where R6 and R7 are each independently alkyl, 20 perfluoroalkyl, aryl, or fluoro, or R 6 and R7 are connected together to form a carbocyclic or heterocyclic ring; iii) CH 2 0CH 2 , CH 2
C(O)CH
2 , or CH 2
CH
2 ; and (iv) R5 is a carbocyclic, heterocyclic, aryl or heteroaryl ring; and In certain embodiments, R4 is selected from the group consisting of hydrogen, 25 methyl and trifluoromethyl. Other preferred embodiments of the present invention provide compounds having the general formulas 41 and 42, as well as methods for their preparation and use. -24- R8 R 2 OR O
R
a 0 R8 R2 ORb ORa 0 R9 R9
R
5 A x 0 R4 0 R RWOR3 RO0R3 41 42 wherein: A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is a cation selected from the group consisting of ammonium, 5 tetra-alkyl ammonium, Na, K, Mg, and Zn; and Ra, Rb and R", are independently selected from the group consisting of hydrogen, alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl and aminoacyl; R2 and R3 are independently selected from the group consisting of hydrogen, alkyl, perfluoroalkyl, aryl and heteroaryl; 1-0 R4 is selected from the group consisting of hydrogen, alkyl, perfluoroalkyl, alkenyl, alkynyl, aryl, heteroaryl, fluoro, hydroxy, alkoxy, aryloxy, R5 is selected from the group consisting of (i)-(iv) as follows: i) CI 2
CH(R
6
)CH
2 , where R6 is hydrogen, alkyl, perfluoroalkyl, aryl, heteroaryl, fluoro, hydroxy or alkoxy; 15 ii) CH 2
C(R
6
R
7
)CH
2 , where R6 and R7 are each independently alkyl, perfluoroalkyl, aryl, or fluoro, or R6 and R 7 are connected together to form a carbocyclic or heterocyclic ring; iii) CH 2
OCH
2 , CH 2
C(O)CH
2 , or CH 2
CH
2 ; and (iv) R5 is a carbocyclic, heterocyclic, aryl or heteroaryl ring; and 20 R and R9 are independently selected from the group consisting of hydrogen, alkyl, perfluoroalkyl, alkoxy, aryl and heteroaryl, or R8 and R9 are connected together to form a carbocyclic or heterocyclic ring. In certain embodiments, R8 and R9 are each independntly selected from the group consisting of hydrogen, methyl and trifluoromethyl. 25 In some embodiments the present invention provides compounds of general formulas 29 or 43 - 47: -25- ORb
OR
2 0 OR' ORa 0 A A 29 43 SiRs ORb ORa 0 OR'
OR
2 0
R
5 A
R
5 A 44 SiR 3 45
R
8
R
2 OR b ORa 0 OR 2 0 0R0 R R RE
AR
8
R
2 ORbR R9-R 5 A R 9
R
5 -A 46 SiR3 47 wherein: A is hydroxy, alkoxy, aryloxy, amino, alkylamino, dialkylamino,or -OM, where M is a cation selected from the group consisting of ammonium, s tetra-alkyl ammonium, Na, K, Mg, and Zn; and Ra and R are independently selected from the group consisting of hydrogen, alkyl, aryl, heteroaryl, acyl, silyl, alkoxyacyl and aminoacyl;
R
2 is hydrogen, alkyl, perfluoroalkyl, aryl and heteroaryl;
R
5 is selected from the group consisting of (i)-(iv) as follows: 10 i) CH 2
CH(R
6
)CH
2 , where R 6 is hydrogen, alkyl, perfluoroalkyl, aryl, heteroaryl, fluoro, hydroxy or alkoxy; ii) CH 2
C(R
6
R
7
)CH
2 , where R 6 and R 7 are each independently alkyl, perfluoroalkyl, aryl, or fluoro, or R 6 and R 7 are connected together to form a carbocyclic or heterocyclic ring; 15 iii) CH 2 0CH2, CH 2
C(O)CH
2 , or CH 2
CH
2 ; and (iv) R 5 is a carbocyclic, heterocyclic, aryl or heteroaryl ring; and
R
8 and R9 are independently selected from the group consisting of hydrogen, alkyl, perfluoroalkyl, alkoxy, aryl and heteroaryl, or R 8 and R9 are connected together to form a carbocyclic or heterocyclic ring; and 20 each of the three R groups in SiR 3 is independently selected from a group consisting of alkyl, aryl and alkoxy. -26- Pharmaceutical Compositions The compounds of the invention can be incorporated into pharmaceutical compositions suitable for administration. Such compositions typically comprise the active compound and a pharmaceutically acceptable carrier. As used herein the language 5 "pharmaceutically acceptable carrier" is intended to include any and all solvents, dispersion media, coatings, antibacterial and antifungal agents, isotonic and absorption delaying agents, and the like, compatible with pharmaceutical administration. The use of such media and agents for pharmaceutically active substances is well known in the art. Except insofar as any conventional media or agent is incompatible with the active compound, use thereof in the io compositions is contemplated. Supplementary active compounds can also be incorporated into the compositions. A pharmaceutical composition of the invention is formulated to be compatible with its intended route of administration. Examples of routes of administration include parenteral, e.g., intravenous, intradermal, subcutaneous, oral (e.g., inhalation), transdermal (topical), 15 transmucosal, and rectal administration. Solutions or suspensions used for parenteral, intradermal, or subcutaneous application can include the following components: a sterile diluent such as water for injection, saline solution, fixed oils, polyethylene glycols, glycerine, propylene glycol or other synthetic solvents; antibacterial agents such as benzyl alcohol or methyl parabens; antioxidants such as ascorbic acid or sodium bisulfite; chelating agents such 20 as ethylenediaminetetraacetic acid; buffers such as acetates, citrates or phosphates and agents for the adjustment of tonicity such as sodium chloride or dextrose. pH can be adjusted with acids or bases, such as hydrochloric acid or sodium hydroxide. The parenteral preparation can be enclosed in ampoules, disposable syringes or multiple dose vials made of glass or plastic. 25 Pharmaceutical compositions suitable for injectable use include sterile aqueous solutions (where water soluble) or dispersions and sterile powders for the extemporaneous preparation of sterile injectable solutions or dispersion. For intravenous administration, suitable carriers include physiological saline, bacteriostatic water, Cremophor ELTM (BASF, Parsippany, NJ) or phosphate buffered saline (PBS). In all cases, the composition must be 30 sterile and should be fluid to the extent that easy syringability exists. It must be stable under the conditions of manufacture and storage and must be preserved against the contaminating action of microorganisms such as bacteria and fungi. The carrier can be a solvent or dispersion medium containing, for example, water, ethanol, polyol (for example, glycerol, propylene glycol, and liquid polyetheylene glycol, and the like), and suitable mixtures -27thereof The proper fluidity can be maintained, for example, by the use of a coating such as lecithin, by the maintenance of the required particle size in the case of dispersion and by the use of surfactants. Prevention of the action of microorganisms can be achieved by various antibacterial and antifungal agents, for example, parabens, chlorobutanol, phenol, ascorbic 5 acid, thimerosal, and the like. In many cases, it will be preferable to include isotonic agents, for example, sugars, polyalcohols such as manitol, sorbitol, sodium chloride in the composition. Prolonged absorption of the injectable compositions can be brought about by including in the composition an agent which delays absorption, for example, aluminum monostearate and gelatin. 10 Sterile injectable solutions can be prepared by incorporating the active compound in the required amount in an appropriate solvent with one or a combination of ingredients enumerated above, as required, followed by filtered sterilization. Generally, dispersions are prepared by incorporating the active compound into a sterile vehicle which contains a basic dispersion medium and the required other ingredients from those enumerated above. In the 15 case of sterile powders for the preparation of sterile injectable solutions, the preferred methods of preparation are vacuum drying and freeze-drying which yields a powder of the active ingredient plus any additional desired ingredient from a previously sterile-filtered solution thereof. Oral compositions generally include an inert diluent or an edible carrier. They can be 20 enclosed in gelatin capsules or compressed into tablets. For the purpose of oral therapeutic administration, the active compound can be incorporated with excipients and used in the form of tablets, troches, or capsules. Oral compositions can also be prepared using a fluid carrier for use as a mouthwash, wherein the compound in the fluid carrier is applied orally and swished and expectorated or swallowed. Pharmaceutically compatible binding agents, and/or 25 adjuvant materials can be included as part of the composition. The tablets, pills, capsules, troches and the like can contain any of the following ingredients, or compounds of a similar nature: a binder such as microcrystalline cellulose, gun tragacanth or gelatin; an excipient such as starch or lactose, a disintegrating agent such as alginic acid, Primogel, or corn starch; a lubricant such as magnesium stearate or Sterotes; a glidant such as colloidal silicon dioxide; 30 a sweetening agent such as sucrose or saccharin; or a flavoring agent such as peppermint, methyl salicylate, or orange flavoring. For administration by inhalation, the compounds are delivered in the form of an aerosol spray from pressured container or dispenser which contains a suitable propellant, e.g., a gas such as carbon dioxide, or a nebulizer. -28- Systemic administration can also be by transmucosal or transdermal means. For transmucosal or transdennal administration, penetrants appropriate to the barrier to be permeated are used in the formulation. Such penetrants are generally known in the art, and include, for example, for transmucosal administration, detergents, bile salts, and fusidic acid 5 derivatives. Transmucosal administration can be accomplished through the use of nasal sprays or suppositories. For transdermal administration, the active compounds are formulated into ointments, salves, gels, or creams as generally known in the art. The compounds can also be prepared in the form of suppositories (e.g., with conventional suppository bases such as cocoa butter and other glycerides) or retention 10 enemas for rectal delivery. In one embodiment, the active compounds are prepared with carriers that will protect the compound against rapid elimination from the body, such as a controlled release formulation, including implants and microencapsulated delivery systems. Biodegradable, biocompatible polymers can be used, such as ethylene vinyl acetate, polyanhydrides, '5 polyglycolic acid, collagen, polyorthoesters, and polylactic acid. Methods for preparation of such formulations will be apparent to those skilled in the art. The materials can also be obtained commercially from Alza Corporation and Nova Pharmaceuticals, Inc. Liposomal suspensions (including liposomes targeted to infected cells with monoclonal antibodies to viral antigens) can also be used as pharmaceutically acceptable carriers. These can be 20 prepared according to methods known to those skilled in the art, for example, as described in U.S. Patent No. 4,522,811. It is especially advantageous to formulate oral or parenteral compositions in dosage unit form for ease of administration and uniformity of dosage. Dosage unit form as used herein refers to physically discrete units suited as unitary dosages for the subject to be 25 treated; each unit containing a predetennined quantity of active compound calculated to produce the desired therapeutic effect in association with the required pharmaceutical carrier. The specification for the dosage unit forms of the invention are dictated by and directly dependent on the unique characteristics of the active compound and the particular therapeutic effect to be achieved, and the limitations inherent in the art of compounding such an active 30 compound for the treatment of individuals. Toxicity and therapeutic efficacy of such compounds can be determined by standard pharmaceutical procedures in cell cultures or experimental animals, e.g., for determining the LD50 (the dose lethal to 50% of the population) and the ED50 (the dose therapeutically effective in 50% of the population). The dose ratio between toxic and therapeutic effects is -29the therapeutic index and it can be expressed as the ratio LD50/ED50. Compounds which exhibit large therapeutic indices are preferred. While compounds that exhibit toxic side effects may be used, care should be taken to design a delivery system that targets such compounds to the site of affected tissue in order to minimize potential damage to uninfected 5 cells and, thereby, reduce side effects. The data obtained from the cell culture assays and animal studies can be used in formulating a range of dosage for use in humans. The dosage of such compounds lies preferably within a range of circulating concentrations that include the ED50 with little or no toxicity. The dosage may vary within this range depending upon the dosage form employed 10 and the route of administration utilized. For any compound used in the treatment methods of the invention, the therapeutically effective dose can be estimated initially from cell culture assays. A dose may be formulated in animal models to achieve a circulating plasma concentration range that includes the ICSO (i.e., the concentration of the test compound which achieves a half-maximal inhibition of symptoms) as determined in cell culture. Such 15 information can be used to more accurately determine useful doses in humans. Levels in plasma may be measured, for example, by high performance liquid chromatography. The pharmaceutical compositions can be included in a container, pack, or dispenser together with instructions for administration. Therapeutic Uses 20 The compounds of the invention are derivatives or structural analogs of naturally occurring trihydroxy polyunsaturated eicosanoids that are known to have biological activity against a wide variety of targets, including diseases or conditions associated with inflammation or inflammatory response, autoimmune diseases, rheumatoid arthritis, cardiovascular diseases, or abnormal cell proliferation or cancer. As such, the compounds of 25 the invention are expected to have similar activity against those targets. Accordingly, in one aspect the invention features methods of ameliorating or treating diseases or conditions associated with inflammation or inflammatory response, involving the administration to a subject of a therapeutically effective amount of a compound or compounds of the invention, such that inflammation or an inflammatory response are 30 significantly reduced or eliminated in the subject. A significant reduction includes the reduction or elimination of a symptom or symptoms associated with the inflammation or inflammatory response. In another aspect, the invention features methods of ameliorating or treating diseases or conditions associated with abnormal cell proliferation, such as cancer, involving the -30administration to a subject of an effective amount of a compound or compounds of the invention. In general, an effective amount is an amount sufficient to ensure adequate exposure of a target cell population, such that abnormal cell proliferation is substantially slowed or halted. A target population is a population of cells undergoing abnormal cell 5 proliferation, such as cancerous and/or tumorous growth. The invention will be further described in the following examples, which are illustrative only, and which are not intended to limit the scope of the invention described in the claims. 10 EXAMPLES The invention will be further described in the following examples, which are illustrative only, and which are not intended to limit the scope of the invention described in the claims. In the following examples, efforts have been made to ensure accuracy with respect to 15 numbers used (e.g. amounts, temperature, etc.) but some experimental errors and deviations should be accounted for. Unless indicated otherwise, parts are parts by weight, molecular weight is weight average molecular weight, temperature is in degrees centigrade, and pressure is at or near atmospheric. Starting materials used in these examples are generally either commercially available or can be readily prepared from commercially available 20 reagents by a procedure involving one or more steps. Example 1: (5S,8E,1oE,12R/S)-methyl 5,12-bis(tert butyldimethylsilyloxy)pentadeca-8,10-dien-6,14-diynoate OTBDMS OTBDMS O OMe 25 Step 1: To a solution of (2E, 4E)-5-bromopenta-2,4-dien-l-ol (0.74 g, 4.51 mmol) in Et 2 NH (8 ml) was added Pd(PPh 3
)
4 (160 mg, 0.14 mmol) and the solution protected from light was stirred for 45 minutes at room temperature. A small amount of benzene (4 ml) was added to completely dissolve the catalyst. To the resulting homogeneous solution was then added through a canula a solution of (S)-methyl 5-(tert-butyldimethylsilyloxy)hept-6-ynoate 30o (1.25 g, 4.61 mmol) in Et 2 NH (8 ml) and Cul (88mg, 0.46 mrnol). The mixture was stirred for 3 h at room temperature and quenched with a saturated aqueous solution of ammonium chloride and extracted with ether. It was then washed with brine, dried and concentrated. -31- Flash column chromatography (silica gel, 20% ethyl acetate/hexanes) afforded the pure product as a colorless liquid (1.52 g, 4.33 inmol, 96% yield). 'H NMR (360 MHz, CDCl3): 8 6.61 (dd, J-15.7 Hz and 10.6 Hz, 1H), 6.02 (dd, J=14.8 Hz and 10.9 Hz, lH), 5.57 (d, J=14.4 Hz), 5.48 (dt, J=15.1 Hz and 5.2 Hz, 1H), 4.54 (m, 1H), 3.75 (s, 2H), 3.30 (s, 3H), 2.14 (t, 5 J=7.0 Hz, 2H), 1.85 (m, 21), 1.77 (m, 2H), 1.05 (s, 9H), 0.27 (s, 3H), 0.18 (s, 3H). "C NMR (62 MHz, CDC1 3 ): 8 141.705, 136.071, 129.466, 111.138, 93.991, 84.393, 63.859, 62.789, 51.161, 38.516, 33.831, 26.244, 21.391, -3.936, -4.648. Step 2: To a solution of dimethyl sulfoxide (0.66 ml, 8.5 mmol) in CH 2
CI
2 (40 ml) was added dropwise at -78 'C oxalyl chloride (0.56 ml, 6,4 mmol) and the reaction was 10 stirred at that temperature for 15 minutes. Alcohol from Step 1 (1.5 g, 4.26 mmol) was added via a double-tipped needle and the resulting solution was stirred an additional 45 minutes at 78 'C. Triethylamine (2.96 ml, 21.3 mmol) was added slowly to the cloudy white mixture that was allowed to warm up to room temperature and it was then poured into water and extracted with ethyl acetate. The combined extracts were dried and concentrated. Flash is column chromatography (silica gel, 5% ethyl acetate/hexanes) afforded the pure product as a colorless liquid (1.31 g, 3.75 mmol, 87% yield). 'H NMR (360 MHz, CD 6 ): 8 9.50(d, J=8.2 Hz, 1H), 6.31 (dd, J=14.7 Hz and 11.3 Hz, 1H), 6.22 (dd, J=14.6 Hz and 11.2 Hz, 1H), 5.77 (dd, J=14.9 Hz and 8.2 Hz, 1H), 5.59 (d, J=15.9 Hz, 1H), 4.50 (m, 111), 3.34 (s, 3H), 2.16 (t, J=7.0 Hz, 2H), 1.85 (m, 2H), 1.76 (m, 2H), 1.04 (s, 9H), 0.26 (s, 3H), 0.18 (s, 3H). "C NMR 20 (62 MHz, CDCl 3 ): 6 191.944, 172.975, 148.566, 138.933, 133.120, 119.950, 98.691, 83.368, 63.524, 50.987, 38.019, 33.504, 25.921, 21.021, 18.370, -4.320, -4.931. Step 3: To a solution of the allenyl boronic acid (518 mg, 6.18 mmol) in toluene (20 ml) were added molecular sieves (3.0 g) and diisopropyl-D-tartrate (2.6 ml, 12.36 mmol) and the resulting solution was allowed to stand at room temperature for 24 h with gentle stirring 25 from time to time. The obtained solution of chiral allenyl boronic ester was then canulated to a new flask and cooled at -78 "C. At this point a solution of the aldehyde from Step 2 (665 mg, 1.9 imnol) in toluene (10 ml) was added through a double tipped needle and the reaction mixture was stirred at -78 'C for 12 h and then warmed up slowly at room temperature overnight. The resulting solution was then quenched with a diluted solution of HCl, extracted 30 with ether and it was then washed with brine, dried and concentrated. Flash column chromatography (silica gel, 5% ethyl acetate/hexanes) afforded the pure product as a colorless liquid (592 mg, 1.52 mmol, 80% yield). To a solution of the obtained alcohol product (592 mg, 1.52 mmol) in CH2Cl2 (10 ml) were added dropwise at 0 'C 2,6-lutidine -32- (0.40 ml, 3.34 mmol) and tert-butyldimethyl-silyloxy triflate (0.41 ml, 2.28 mmol). The reaction mixture was warmed up to room temperature and stirred for 4 hours. The resulting solution was then poured into a solution of saturated NIH 4 CI and extracted with diethyl ether. The combined extracts were dried and concentrated. Flash column chromatography (silica 5 gel, 2% ethyl acetate/hexanes) afforded the product as a colorless liquid in 95% yield. 'H NMR (250 MHz, CDC1 3 ): 8 6.52 (dd, J=15.5 Hz and 10.9 Hz, 1 H), 6.26 (dd, J=15.2 and 11.0 Hz, 1H), 5.85 (dd, J=15.5 Hz and 5.3 Hz, lH), 5.10 (d, J=16.2 Hz, l H), 4.51 (t, J=5.6 Hz, 1H), 4.31 (q, J=5.9 Hz, 1H), 3.54 (s, 3H), 2.45 (m, 4H), 1.95 (t, J=1.4 Hz, 1H), 1.82 (m, 4H), 0.97 (s, 18H), 0.18 (s, 3H), 0.12 (s, 3H), 0.07 (s, 3H), 0.05 (s, 3H). "C NMR (62 MHz, 10 CDC13): 5 173.891, 140.738, 137.433, 129.200, 111.125, 93.363, 83.432, 80.947, 71.306, 70.197, 63.012, 51.452, 37.889, 33.516, 28.296, 25.792, 20.566, 18.075, -4.419, -4.578, 4.861, -5.014. Example 2: (5S,8E,1OE,12R)-methyl 5,1 2 -bis(tert-butyldimethylsilyloxy)pentadeca 15 8,10-dien-6,14-diynoate OTBDMS OTBDMS O OMe Step 1: To a solution of (R,1E,3E)-1-bromo-5-(tert-butyldimethylsilyloxy)-8 (trimethylsilyl)octa-1,3-dien-7-yne (100 mg, 0.26 mmol) in benzene (1 ml) was added Pd(PPh 3 )4 (15 mg, 0.013 mmol) and the reaction protected from light was stirred for 45 20 minutes at room temperature. To the resulting solution was then added through a canula a solution of (S)-methyl 5-(tert-butyldimethylsilyloxy)hept-6-ynoate (105 mg, 0.39 mnol) in benzene (1 ml), Cul (12 mg, 0.063 mmol) and triethylamine (0.4g, 4mmol). The mixture was stirred for 3hr at room temperature and quenched with a saturated aqueous solution of ammonium chloride and extracted with ether. It was then washed with brine, dried and 25 concentrated. Flash column chromatography (silica gel, 4% diethyl ether/hexanes) afforded the pure product as a colorless liquid (127 mg, 0.22 mmol, 85% yield). Step 2: To a solution of the product from Step 1 (127 mg, 0.22 mmol) in THF/EtOH (2 ml/1 ml) was added a solution of silver nitrate (106 mg, 0.63 mmol) in water/EtOH (1 ml/l ml) at 0 'C. The resulting yellow solid suspension was allowed to warm to 25 "C and it was 30 then treated with a solution of potassium cyanide (71 mg, 1.09 mmol) in water (I ml). The product was extracted with ether, washed with brine, dried and concentrated. Flash column -33chromatography (silica gel, 4% diethyl ether/hexanes) afforded the pure product as a colorless liquid in 89% yield. 'H NMR (250 MHz, C 6
D
6 ): 8 6.58 (dd, J--15.3 Hz and 10.9 Hz, 1 H), 6.14 (dd, J=16.0 and 11.0 Hz, 1H), 5.65 (dd, J=16.3 Hz and 6.3 Hz, 11), 5.56 (d, J=16.0 Hz, 1 H), 4.52 (t, J=7.5 Hz, IH), 4.20 (q, J=6.4 Hz, IH), 3.34 (s, 3H), 2.20 (m, 4H), 5 2.12 (t, J=1.4 Hz, 1H), 1.78 (m, 4H), 1.03 (s, 9H), 0.97 (s, 9H), 0.25 (s, 3H), 0.17 (s, 3H), 0.06 (s, 3H), 0.02 (s, 3H); ' 3 C NMR (62 MHz, CDC3): 6 173.891, 140.738, 137.433, 129.200, 111.125, 93.363, 83.432, 80.947, 71.306, 70.197, 63.012, 51,452, 37.889, 33.516, 28.296, 25.792, 20.566, 18.075, -4.419, -4.578, -4.861, -5.014. 10 Example 3: (5S,8E,l OE,1 2R)-inethyl 5,12-bis(tert-butyldimethylsilyloxy)pentadeca 8,10-dien-6,14-diynoate OTBDMS OTBDMS 0 OMe Step 1: A mixture of 3-bromo-propene bromide (0.5g, 2.5mmol) and triethylphosphite (neat, 0.83g, 5mmol) was heated to 120*C for 3hr. The excess phosphate was removed under 15 vacuum and used directly in next step. Step 2: To a solution of the phosphonate product of Step 1 ( 257mg, 1.Ommol) in 7ml dry benzene, was added (S)-methyl 5-(tert-butyldimethylsilyloxy)hept-6-ynoate (270mg, I.Ommol), tetrakis(triphenyl phosphine)palladium, (230mg, 0.2mmol), copper(J) iodide, (76mg, 0.4mmol), and triethylamine (1.01g, 10mmol). The mixture was stirred at room 20 temperature, overnight. Removal of the solvent and column chromatography (1% MeOH in diethyl ether) gave the coupled phosphonate product (220mg, 60%). This compound exhibited satisfactory spectroscopic and analytical data. Step 3: To a solution of phosphonate from Step 2 (217mg 0.486mmol)in 3ml dry THF, cooled to -78 0 C was added 0.51ml 1M sodium bis(trimethylsily)amide (0.51mmol). 25 The reaction mixture was stirred for 3min and freshly prepared (R)-2-(tert butyldimethylsilyloxy)-5-(trimethylsilyl)pent-4-ynal (136mg, 0.5mmol) in 2.5ml THF was added The mixture was stirred at -78 0 C for 3hrs, warmed up to room temperature, and stirred for another 30mins. Sat. NH4CI aqueous solution was added, and the mixture was extracted with ether. Removal of the solvent under vacuum and column chromatography (3% ethyl 3o acetate in hexanes) gave 120mg(43%) of the product, -34- Step 4: The product of Step 3 was treated similarly to Example 2, Step 2 to give (5S,8E, 10E, 1 2R)-methyl 5,1 2 -bis(tert-butyldimethylsilyloxy)pentadeca-8,1 0-dien-6,14 diynoate. 5 Example 4: (5S,8E,10E,12R,16E,18R)-methyl 5,12,18-tris(tert butyldimethylsilyloxy) icosa-8,10,16-trien-6,14-diynoate OTBDMS OTBDMS 0 OMe OTBDMS Sonogashira coupling between (R,E)-tert-butyl(1 -iodopent- I -en-3 yloxy)dimethylsilane and (5S,8E, 10E, 12R)-methyl 5,12-bis(tert io butyldimethylsilyloxy)pentadeca-8,1 0-dien-6,14-diynoate (the product of Example 2 or Example 3), using a procedure analogous to that of Example 2, Step 1 gave the product in 80% yield. 'H NMR (500 MHz, C 6
D
6 ): 6 6.59 (dd, J=15.2 Hz and 10.9 Hz, IH), 6.24 (dd, J=l5.2 and 11.0 Hz, 1H), 6.14 (dd, J=15.5 Hz and 5.3 Hz, 1H), 5.86 (d, J=15.4 Hz, 1H), 5.67 (dd, J= 14.8 Hz and 5.6 Hz, 1H), 5.59 (d, J=15.5 Hz, 1H), 4.54 (t, J=5.7 Hz, 1H), 4.24 (q, is J=5.9 Hz, 1H), 3.94 (q, J=5.6 Hz, 1H), 3.35 (s, 3H), 2.46 (m, 2H), 2.17 (t, J=7.1 Hz, 2H), 1.84 (m, 4H), 1.44 (m, 2H), 1.04 (s, 9H), 1.02 (s, 9H), 1.00 (s, 9H), 0.86 (t, J=7.5 Hz, 3H), 0.28 (s, 3H), 0.19 (s, 3H), 0.14 (s, 3H), 0.08 (s, 3H), 0.07 (s, 3H), 0.05 (s, 3H). "C NMR (125 MHz, C 6
D
6 ): 5 173.131, 145.665, 141.248, 138.411, 129.420, 111.518, 109.904, 93.989, 87.526, 84.119, 81.048, 73.998, 72.025, 63.570, 50.913, 38.321, 33.587, 31.253, 29.235, 20 26.014, 21.163, 18.413, 9.221, -4.207, -4.421, -4.603, -4.621, -4.772, -5.094. Example 5: (5S,8E, 1 OE, 12R, 16E, 1 8R)-methyl 5,12,18-trihydroxyicosa-8,10,16-trien 6,14-diynoate OH OH 0 OMe OH 25 A solution of the product of Example 4 (40 mg, 0.065 mmol) in THF (1 ml) was treated with 1.0 M TBAF (0.32 ml, 0.32 mmol) at 0 'C. The reaction was stirred for 3 h and then poured into water and extracted with ether. The ether extracts were washed with brine, dried and concentrated. The ethereal solution was then treated with an excess of freshly -35prepared diazomethane in ether to convert the free acid to the product, Flash column chromatography (silica gel, 4% MeOHICH 2 Cl 2 ) afforded the pure product in 90% yield. 'H NMR (500 MHz, C 6
D
6 ): 6 6.55 (dd, J=15.5 Hz and 10.9 Hz, lH), 6.16 (dd, J=15.2 Hz and 11.0 Hz, IH), 6.05 (dd, J=15.5 Hz and 5.3 Hz, lH), 5.70 (d, J=16.2 Hz, IH), 5.61 (dd, J=14.6 5 Hz and 5.5 Hz, 1 H), 5.58 (d, J=14.7 Hz, IH), 4.28 (t, J=5.8 Hz, 1H), 4.06 (dd, J=11.2 Hz and 5.3 Hz, 1H), 3.65 (dd, J=11.0 Hz and 6.7 Hz, 1H), 3.30 (s, 3H), 2.36 (m, 2H), 2.06 (t, J=6.9 Hz, 2H), 1.72 (m, 2H), 1.59 (m, 2H), 1.27 (m, 2H), 0.74 (t, J=7.4 Hz, 3H). "C NMR (125 MHz, C 6
D
6 ): 5 173.819, 145.219, 141.143, 136.647, 130.007, 111.340, 109.915, 92.672, 85.857, 84.082, 81.330, 73.505, 70.225, 62.533, 51.488, 37.097, 33.599, 29.912, 28.658, 1o 20.615, 9.45 1. HPLC: Beckman Ultrasphere reverse phase column (30% water in MeOH, 3.8 ml/min, 252 bar): elution time = 5.41 min. Example 6: (5S,6Z,8E,IOE,12R,14Z,16E,18R)-methyl 5,12,18-trihydroxyicosa 6 ,8,10,14,16-pentaenoate or resolvin El methyl ester OH OH 0 OMe 15 OH To a solution of the bis-acetylenic product from Example 5 (7.7 mg, 0.021 mmol) in dichloromethane (4 ml) was added Lindlar catalyst (1.5 mg, 20% by weight), quinoline (4 g1), and the reaction mixture was stirred under the static atmosphere of hydrogen. Samples were taken every 20 minutes for HPLC analysis (30% water in MeOH), and the reaction was 20 stopped at 60% conversion. The resulting solution was filtrated over a pad of celite and separated by HPLC (45% water in MeOH) affording the pure product in 60% yield. 'H NMR (500 MHz, C 6
D
6 ): 6 6.54 (dd, J=14.8 Hz and 11.5 Hz, 1H), 6.49 (dd, J=14.9 Hz and 11.7 Hz, 1H), 6.26 (dd, J=16.0 Hz and 10.5 Hz, 1H), 6.11 (t, J=9.2 Hz, 1H), 6.09 (dd, J=14.7 Hz and 11.1 Hz, 1H), 5.95 (t, J=11.0 Hz, 1H), 5.60 (dd, 1=15.4 Hz and 6.4 Hz, 1H), 5.56 (dd, J=14.9 25 Hz and 6.0 Hz, 1H), 5.42 (dt, J=10.8 Hz and 8.1 Hz, 1H), 5.30 (t, J=10.6 Hz, 111), 4,38 (q, J=7.8 Hz, 1H), 4.03 (q, J=6.6 Hz, 1H), 3.83 (q, J=6.6 Hz, 1H), 3.30 (s, 3H), 2.2-2.4 (m, 4H), 2.08 (t, J=6.9 Hz, 2H), 1.6-1.7 (m, 2H), 1.3-1.5 (m, 2H), 0.85 (t, J=6.7 Hz, 311). "C NMR (125 MHz, C 6
D
6 ): 8 177.135, 137.855, 137.106, 134.923, 134.057, 131.093, 130.273, 129.637, 128.428, 126.868, 125.269, 73.554, 71.747, 67.609, 37.123, 36.223, 33.835, 30.576, 3o 21.165, 9.867. HPLC: Beckman Ultrasphere reverse phase column (30% water in MeOH, 3.8 ml/min, 254 bar): elution time = 8.43 min. -36- Example 7: (5S,6Z,8E,1OE,12R,14Z,16E,18R)- Methyl 6,7,14,15-tetradeuterio 5,12,18-trihydroxyicosa-6,8,10,14,16-pentacnoate: OH OH 0 DOMe D D D HO 5 Step 1: To zinc dust (<10 micron, 98+%, Aldrich, 20,998-8) that was weighed under nitrogen, is added deuterated water ((D 2 0, 3 mL), which was previously degassed with bubbling nitrogen for 20 minutes. After stirring for 15 min, copper(II) acetate monohydrate (Ac 2 Cu.H 2 0, 98+%, Aldrich, 6046-93-1, 50 mg) was added and the mixture was stirred for another 20 min. To the stirred mixture is added slowly silver (I) nitrate, (AgNO 3 , 99+%, 10 Aldrich, 20,913-9, 50mg). The mixture was stirred for another 30 min and the precipitate was collected by filtration and rinsed with deuterated water (2 x 3mL), acetone (2 x 3mL), and ether (2 x 3mL). The precipitate was mixed with 2.5 mL of a 4:1 mixture by volume of deuterated water:dioxane (1,4-dioxane, anhydrous, 99.8+%, Aldrich, 296309-1L). Step 2: The Zn-Cu-Ag reagent prepared according to Step 1 was added to a solution Is of (5S,8E,1OE,12R,16E,18R)-methyl 5,12,18-trihydroxyicosa-8,10,16-trien-6,14-diynoate from Example 5, (0.5 mg) in dioxane (0.5 muL) and the mixture was stirred at 40'C for 24hr. The mixture is then filtered through a glass fitted funnel, the filtrate is evaporated and the crude product is purified by HPLC to give (5S,6Z,8E,OE,12R,14Z,16E,18R)- Methyl 6,7,14,15-tetradeuterio-5,12,18-trihydroxyicosa-6,8,10,14,16-pentaenoate. This compound 20 gave satisfactory spectra. A number of embodiments of the invention have been described. Nevertheless, it will be understood that various modifications may be made without departing from the spirit and scope of the invention. Accordingly, other embodiments are within the scope of the following claims. 25 Comprises/comprising and grammatical variations thereof when used in this specification are to be taken to specify the presence of stated features, integers, steps or components or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, components or groups thereof. -37-
Claims (10)
1. A compound selected from compounds having the general formulas 44 - 47: ORb Oa 0 OR' Oa 0 R 5 A RSKA 44 SiR 3 45 R8R2 ORbO 8 R8 R 2 ORb Oa R-kA R RR A R R 5 A 5 46 SiR 3 47 wherein: A is hydroxy, alkoxy, aryloxy, amino, alkylarnino, dialkylamino, or -OM, where M is a cation selected from ammonium, tetra-alkyl ammonium, Na, K, Mg, and Zn; and Ra and Rb are each hydrogen; o R 2 is hydrogen, alkyl, perfluoroalkyl, aryl and heteroaryl; R 5 is selected from i)-iv) as follows: i) CH 2 CH(R)CH 2 , where R 6 is hydrogen, alkyl, perfluoroalkyl, aryl, heteroaryl, hydroxy or alkoxy; ii) CH 2 C(R 6 R 7 )CH 2 , where R 6 and R 7 are each independently alkyl, perfluoroalkyl, or 5 aryl, or R 6 and R7 are connected together to form a carbocyclic or heterocyclic ring; iii) CH 2 C(O)CH 2 ; and iv) a carbocyclic, heterocyclic, aryl or heteroaryl ring; and R8 and R 9 are independently selected from hydrogen, alkyl, perfluoroalkyl, alkoxy, aryl and heteroaryl, or R 8 and R9 are connected together to form a carbocyclic or heterocyclic 20 ring; and each of the three R groups in SiR 3 is independently selected from alkyl, aryl and alkoxy.
2. The compound of claim 1, wherein A is hydroxy or alkoxy; R", R , R2, R8 and R9 are 5s each hydrogen; and R' is CH 2 CH 2 CH 2 . - 38 -
3. The compound of claim 1, wherein A is hydroxy; Ra, Rb, R2, R 8 and R9 are each hydrogen; and R 5 is CH 2 CH 2 CH 2 .
4. The compound of claim 1, wherein A is alkoxy; Ra, Rb, R2, R' and R9 are each s hydrogen; and R 5 is CH 2 CH 2 CH 2 .
5. The compound of claim 1, wherein said compound has a structure of general formula 46: R 8 R 2 OR" ORa o R9 -R5"-A 46 .o wherein: A is hydroxy or alkoxy; R a, R", R2, R' and R" are each hydrogen; and R' is CH 2 CH 2 CH 2 5
6. The compound of claim 5, wherein A is hydroxy; Ra, Rb, R2, R 8 and R9 are each hydrogen; and R 5 is CH 2 CH 2 CH 2 .
7. The compound of claim 6, wherein A is alkoxy; Ra, Rb , R, R 8 and R 9 are each hydrogen; and R5 is CH 2 CH 2 CH 2 . 0
8. A pharmaceutical composition, comprising a compound according to any one of claims 1 to 7; and a pharmaceutically acceptable carrier.
9. Use of a compound according to any one claims 1 to 7 in the manufacture of a s medicament for treating a disease or condition associated with at least one of the following: inflammation, inflammatory response, autoimmune disease, rheumatoid arthritis, cardiovascular disease, abnormal cell proliferation, or cancer. - 39 -
10. A method of treating a disease or condition associated with at least one of the following: inflammation, inflammatory response, autoimmune disease, rheumatoid arthritis, cardiovascular disease, abnormal cell proliferation, or cancer, the method comprising administering to a patient a therapeutically effective amount of a s compound according to any one of claims I to 7 or of a pharmaceutical composition according to claim 8. UNIVERSITY OF SOUTHERN CALIFORNIA -0 WATERMARK PATENT AND TRADE MARKS ATTORNEYS P29375AU01 s 0 - 40 -
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