chloride thionyl chloride sulfuryl chloride oxalyl chloride phosgene diphosgene triphosgene phosphorus pentachloride phosphorus trichloride phosphorus oxychloride and phosphorus tribromide these esterifying agent or the halogenating agent may be used alone or two or more kinds thereof may be combined at arbitrary ratios a solvent may be used in the method of producing the nitroalkane represented by formula 7 but the solvent is not particularly limited examples of the solvent include alkyl halides such as dichloromethane and chloroform aromatic hydrocarbons such as benzene toluene and xylene hydrocarbons such as hexane heptane and cyclohexane ethers such as diethylether diisopropylether 1 2 dimethoxyethane tetrahydrofuran and dioxane esters such as ethyl acetate and butyl acetate amides such as n n dimethylformamide n n dimethylacetamide and n methylpyrrolidone n n u2032 dimethylimidazolidinone acetonitrile and water these solvents may be used alone or two or more kinds thereof may be combined at arbitrary ratios the amount of the solvent used for the reaction is not particularly limited but is preferably not more than 50 times the weight of the hydroxynitroalkane represented by formula 9 from an economic viewpoint the reaction temperature is not particularly limited but is preferably not less than the melting point of the solvent but not more than the boiling.