Wo 2010/047866 A2

Wo 2010/047866 A2

(12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date 29 April 2010 (29.04.2010) WO 2010/047866 A2 (51) International Patent Classification: Way, Carmel, IN 46033 (US). YAO, Chenglin [US/US]; AOlN 43/54 (2006.01) AOlP 7/04 (2006.01) 14178 Esprit Drive, Westfield, IN 46074 (US). AOlP 3/00 (2006.01) (74) Agent: ARNETT, Charles; 9330 Zionsville Rd, Indi (21) International Application Number: anapolis, Indiana 46268 (US). PCT/US2009/052404 (81) Designated States (unless otherwise indicated, for every (22) International Filing Date: kind of national protection available): AE, AG, AL, AM, 31 July 2009 (3 1.07.2009) AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, (25) Filing Language: English DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (26) Publication Language: English HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, (30) Priority Data: ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, 61/137,736 1 August 2008 (01 .08.2008) US NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, (71) Applicant (for all designated States except US): DOW SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, AGROSCIENCES LLC [US/US]; 9330 Zionsville TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. Road, Indianapolis, IN 46268-1054 (US). (84) Designated States (unless otherwise indicated, for every (72) Inventors; and kind of regional protection available): ARIPO (BW, GH, (75) Inventors/Applicants (for US only): BENKO, Zoltan GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, [US/US]; 8402 North Park Avenue, Indianapolis, IN ZW), Eurasian (AM, AZ, BY, KG, KZ, MD, RU, TJ, 46240 (US). BRYAN, Kristy [US/US]; 1502 Cool Creek TM), European (AT, BE, BG, CH, CY, CZ, DE, DK, EE, Drive, Carmel, IN 46033 (US). DAVIS, George ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, [US/US]; 15 114 Count Fleet Ct., Carmel, IN 46032 (US). MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, EPP, Jeffrey [US/US]; 17947 Kinder Oak Drive, No- TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG). blesville, IN 46062 (US). LORSBACH, Beth [US/US]; 6034 Haverford Avenue, Indianapolis, IN 46220 (US). Declarations under Rule 4.17: MEYER, Kevin [US/US]; 100 Lexington Court, — as to applicant's entitlement to apply for and be granted Zionsville, IN 46077 (US). OWEN, W . [GB/US]; 12421 a patent (Rule 4.1 7(U)) Pebblepointe Pass, Carmel, IN 46033 (US). SULLEN- BERGER, Michael [US/US]; 156 10 River Birch Road, Published: Westfield, IN 46074 (US). WEBSTER, Jeffery — without international search report and to be republished [US/US]; 7581 W. Oakwood Court, New Palestine, IN upon receipt of that report (Rule 48.2(g)) 46163 (US). YOUNG, David [US/US]; 5263 Navajo (54) Title: USE OF 5-FLUOROCYTOSINE AS A FUNGICIDE (57) Abstract: The present disclosure is related to the field agrochemicals including 5-flurocytosine and its derivatives and their use as fungicides USE OF 5-FLUOROCYTOSINE AS A FUNGICIDE Cross Reference to Related Applications This application claims the benefit of U.S. Provisional Patent Application Serial No. 61/137,736 filed August 1, 2008. Field of the Invention This present disclosure is related to the field of 5-fluorocytosine and its derivatives and to the use of these compounds as fungicides. Background and Summary of the Invention Fungicides are compounds, of natural or synthetic origin, which act to protect and cure plants against damage caused by agriculturally relevant fungi. Generally, no single fungicide is useful in all situations. Consequently, research is ongoing to produce fungicides that may have better performance, are easier to use, and cost less. The present disclosure relates to 5-fluorocytosine and its derivatives and their use as fungicides. 5-Fluorocytosine and its derivatives may offer protection against ascomycetes, basidiomycetes, deuteromycetes and oomycetes. One embodiment of the present disclosure includes a method of controlling a pathogen induced disease in a plant that is at risk of being diseased from the pathogen comprising contacting one of the plant and an area adjacent to the plant with a composition including one of 5-fluorocytosine and a 5-fluorocytosine derivative. Another embodiment of the present disclosure is a use of a compound including one of 5- fluorocytosine and a 5-fluorocytosine derivative, for protection of a plant against attack by a phytopathogenic organism or the treatment of a plant infested by a phytopathogenic organism, comprising the application of one of 5-fluorocytosine and a 5-fluorocytosine derivative, or a composition including one of 5-fluorocytosine and a 5-fluorocytosine derivative to soil, a plant, a part of a plant, foliage, and/or seeds. Additionally, another embodiment of the present disclosure is a composition useful for protecting a plant against attack by a phytopathogenic organism and/or treatment of a plant infested by a phytopathogenic organism comprising a compound including one of 5- fluorocytosine and a 5-fluorocytosine derivative and a phytologically acceptable carrier material. Detailed Description of the Present Disclosure The compounds of the present disclosure may be purchased commercially or prepared from known methods in the literature, such as Duschinsky, R. et al. / . Med. Chem. 1966, 9, 566- 572; Duschinsky, R. and Hoffer, M. U.S. Patent 3,309,359, 1967; Li, J. et al. WO 2005/080351 Al, 2005; and Bautista Rodriguez, J. et al. WO 2009/071726 Al, 2009. Each of the aforementioned disclosures is expressly incorporated by reference herein. The compounds of the present disclosure may be applied by any of a variety of known techniques, either as the compounds or as formulations comprising the compounds. For example, the compounds may be applied to the roots, seeds or foliage of plants for the control of various fungi, without damaging the commercial value of the plants. The materials may be applied in the form of any of the generally used formulation types, for example, as solutions, dusts, wettable powders, flowable concentrates, or emulsifiable concentrates. Preferably, the compounds of the present disclosure are applied in the form of a formulation, including at least one of 5-fluorocytosine and a 5-fluorocytosine derivative with a phytologically acceptable carrier. Concentrated formulations may be dispersed in water, or other liquids, for application, or formulations may be dust-like or granular, which may then be applied without further treatment. The formulations can be prepared according to procedures that are conventional in the agricultural chemical art. The present disclosure contemplates all vehicles by which one or more of the compounds may be formulated for delivery and use as a fungicide. Typically, formulations are applied as aqueous suspensions or emulsions. Such suspensions or emulsions may be produced from water- soluble, water suspendable, or emulsifiable formulations which are solids, usually known as wettable powders; or liquids, usually known as emulsifiable concentrates, aqueous suspensions, or suspension concentrates. As will be readily appreciated, any material to which these compounds may be added may be used, provided it yields the desired utility without significant interference with the activity of these compounds as antifungal agents. Wettable powders, which may be compacted to form water dispersible granules, comprise an intimate mixture including one of 5-fluorocytosine and a 5-fluorocytosine derivative, an inert carrier and surfactants. The concentration of the compound in the wettable powder may be from about 10 percent to about 90 percent by weight based on the total weight of the wettable powder, more preferably about 25 weight percent to about 75 weight percent. In the preparation of wettable powder formulations, the compounds may be compounded with any finely divided solid, such as prophyllite, talc, chalk, gypsum, Fuller's earth, bentonite, attapulgite, starch, casein, gluten, montmorillonite clays, diatomaceous earths, purified silicates or the like. In such operations, the finely divided carrier and surfactants are typically blended with the compound(s) and milled. Emulsifiable concentrates of 5-fluorocytosine and a 5-fluorocytosine derivative may comprise a convenient concentration, such as from about 10 weight percent to about 50 weight percent of the compound, in a suitable liquid, based on the total weight of the concentrate. The compounds may be dissolved in an inert carrier, which is either a water-miscible solvent or a mixture of water-immiscible organic solvents, and emulsifiers. The concentrates may be diluted with water and oil to form spray mixtures in the form of oil-in-water emulsions. Useful organic solvents include aromatics, especially the high-boiling naphthalenic and olefinic portions of petroleum such as heavy aromatic naphtha. Other organic solvents may also be used, for example, terpenic solvents, including rosin derivatives, aliphatic ketones, such as cyclohexanone, and complex alcohols, such as 2-ethoxyethanol. Emulsifiers which may be advantageously employed herein may be readily determined by those skilled in the art and include various nonionic, anionic, cationic and amphoteric emulsifiers, or a blend of two or more emulsifiers. Examples of nonionic emulsifiers useful in preparing the emulsifiable concentrates include the polyalkylene glycol ethers and condensation products of alkyl and aryl phenols, aliphatic alcohols, aliphatic amines or fatty acids with ethylene oxide, propylene oxides such as the ethoxylated alkyl phenols and carboxylic esters solubilized with the polyol or polyoxyalkylene. Cationic emulsifiers include quaternary ammonium compounds and fatty amine salts. Anionic emulsifiers include the oil-soluble salts (e.g., calcium) of alkylaryl sulphonic acids, oil-soluble salts or sulfated polyglycol ethers and appropriate salts of phosphated polyglycol ether.

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