The present invention discloses recyclable polymeric catalyst of Formula I, for chlorination of organic acids and alcohols using chlorinating agents such as carbonyl chloride, oxalyl chloride or thionyl chloride,

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wherein, ‘m’ on the pendent groups on polystyrene backbone can have values from 1 to 5 and R is the alkyl group ranging from C1 to C5.

Process for the production of a compound comprising potassium phosphite comprising the steps of (a) reacting carboxylic acid of the formula R—(C(═O)OH).sub.n with phosphorous trichloride (PCl.sub.3) towards a mixture comprising phosphorous acid (H.sub.3PO.sub.3) and acid chloride of the formula R—(C(═O)Cl).sub.n; wherein R is a linear or branched alkyl or alkanediyl group with 1-20 carbon atoms and n is 1 or 2, (b) subjecting said mixture to a separation step, thereby obtaining (i) a fraction comprising crude phosphorous acid (H.sub.3PO.sub.3) and (ii) a fraction comprising acid chloride, (c) combining water, a potassium compound selected from KOH, KHCO.sub.3 and K.sub.2CO.sub.3, and the fraction comprising crude phosphorous acid, thereby forming an aqueous solution comprising potassium phosphite, and (d) removing organic compounds from said aqueous solution.

Process for the production of a compound comprising potassium phosphite comprising the steps of (a) reacting carboxylic acid of the formula R—(C(═O)OH).sub.n with phosphorous trichloride (PCl.sub.3) towards a mixture comprising phosphorous acid (H.sub.3PO.sub.3) and acid chloride of the formula R—(C(═O)Cl).sub.n; wherein R is a linear or branched alkyl or alkanediyl group with 1-20 carbon atoms and n is 1 or 2, (b) subjecting said mixture to a separation step, thereby obtaining (i) a fraction comprising crude phosphorous acid (H.sub.3PO.sub.3) and (ii) a fraction comprising acid chloride, (c) combining water, a potassium compound selected from KOH, KHCO.sub.3 and K.sub.2CO.sub.3, and the fraction comprising crude phosphorous acid, thereby forming an aqueous solution comprising potassium phosphite, and (d) removing organic compounds from said aqueous solution.

Process for the production of a compound comprising potassium phosphite comprising the steps of (a) reacting carboxylic acid of the formula R—(C(═O)OH).sub.n with phosphorous trichloride (PCl.sub.3) towards a mixture comprising phosphorous acid (H.sub.3PO.sub.3) and acid chloride of the formula R—(C(═O)Cl).sub.n; wherein R is a linear or branched alkyl or alkanediyl group with 1-20 carbon atoms and n is 1 or 2, (b) subjecting said mixture to a separation step, thereby obtaining (i) a fraction comprising crude phosphorous acid (H.sub.3PO.sub.3) and (ii) a fraction comprising acid chloride, (c) combining water, a potassium compound selected from KOH, KHCO.sub.3 and K.sub.2CO.sub.3, and the fraction comprising crude phosphorous acid, thereby forming an aqueous solution comprising potassium phosphite, and (d) removing organic compounds from said aqueous solution.

The present invention relates to compounds which are suitable as synthesis precursors for the production of electronically active materials for use in organic electroluminescence devices.

The present invention relates to compounds which are suitable as synthesis precursors for the production of electronically active materials for use in organic electroluminescence devices.

An oil-based drilling fluid and method of preparing an oil-based drilling fluid are disclosed. The oil-based drilling fluid comprising a base oil continuous phase, an aqueous discontinuous phase, and at least one rheology modifier. The at least one rheology modifier including an alkaline-earth diamondoid compound. The method of preparing the oil-based drilling fluid including mixing a base oil, at least one emulsifier, and at least one wetting agent to form a first mixture, adding and mixing at least one rheology modifier into the first mixture to form a second mixture, adding and mixing at least one fluid-loss control additive into the second mixture to form a third mixture, adding and mixing a brine solution into the third mixture to form a fourth mixture, and adding and mixing a weighting additive into the fourth mixture to form the oil-based drilling fluid.

An oil-based drilling fluid and method of preparing an oil-based drilling fluid are disclosed. The oil-based drilling fluid comprising a base oil continuous phase, an aqueous discontinuous phase, and at least one rheology modifier. The at least one rheology modifier including an alkaline-earth diamondoid compound. The method of preparing the oil-based drilling fluid including mixing a base oil, at least one emulsifier, and at least one wetting agent to form a first mixture, adding and mixing at least one rheology modifier into the first mixture to form a second mixture, adding and mixing at least one fluid-loss control additive into the second mixture to form a third mixture, adding and mixing a brine solution into the third mixture to form a fourth mixture, and adding and mixing a weighting additive into the fourth mixture to form the oil-based drilling fluid.

The multifunctional compound is represented by formula X—C(R)RF—Y, in which X and Y are each independently —C(O)—O-M, —C(O)-HAL, —C(O)—NR.sup.1.sub.2, —C≡N, —C(O)NR.sup.1—SO.sub.2—R.sub.f.sup.1-W, or a fluorinated alkenyl group that is optionally interrupted by one or more —O— groups. HAL is —F, —Cl, or —Br. R.sub.f.sup.1 is a fluorinated alkylene group that is optionally interrupted by one or more —O— groups. W is —F, —SO.sub.2Z, —CF═CF.sub.2, —O—CF═CF.sub.2, or —O—CF.sub.2—CF═CF.sub.2. Z is —F, —Cl, —NR.sup.1.sub.2, or —OM. Each R.sup.1 is a hydrogen atom or alkyl having up to four carbon atoms. M is an alkyl group, a trimethylsilyl group, a hydrogen atom, a metallic cation, or a quaternary ammonium cation. R is a bromine, chloride, fluorine or hydrogen atom; and RF is a fluorinated alkenyl group that is unsubstituted or substituted by at least one chlorine atom, aryl group, or a combination thereof or RF is a fluorinated alkyl group or arylalkylenyl group that is substituted by bromine or iodine and uninterrupted or interrupted by at least one —O— group. A process for making the compound is also disclosed. A fluoropolymer made from the compound and a method of making the fluoropolymer are also disclosed.

The multifunctional compound is represented by formula X—C(R)RF—Y, in which X and Y are each independently —C(O)—O-M, —C(O)-HAL, —C(O)—NR.sup.1.sub.2, —C≡N, —C(O)NR.sup.1—SO.sub.2—R.sub.f.sup.1-W, or a fluorinated alkenyl group that is optionally interrupted by one or more —O— groups. HAL is —F, —Cl, or —Br. R.sub.f.sup.1 is a fluorinated alkylene group that is optionally interrupted by one or more —O— groups. W is —F, —SO.sub.2Z, —CF═CF.sub.2, —O—CF═CF.sub.2, or —O—CF.sub.2—CF═CF.sub.2. Z is —F, —Cl, —NR.sup.1.sub.2, or —OM. Each R.sup.1 is a hydrogen atom or alkyl having up to four carbon atoms. M is an alkyl group, a trimethylsilyl group, a hydrogen atom, a metallic cation, or a quaternary ammonium cation. R is a bromine, chloride, fluorine or hydrogen atom; and RF is a fluorinated alkenyl group that is unsubstituted or substituted by at least one chlorine atom, aryl group, or a combination thereof or RF is a fluorinated alkyl group or arylalkylenyl group that is substituted by bromine or iodine and uninterrupted or interrupted by at least one —O— group. A process for making the compound is also disclosed. A fluoropolymer made from the compound and a method of making the fluoropolymer are also disclosed.