Patent DE-102011111490-A1 (DE)
Title: Producing foam useful as fire extinguishing foam, comprises reacting fluoroalkyl fluorophosphorane compound with inorganic base in aqueous medium, or with mixture of inorganic base and water in presence of organic solvent
Inventor: IGNATYEV NIKOLAI DR
IPC: C07F9/28
Filed: 2011-08-30
Abstract: Producing foam, comprises reacting a fluoroalkyl fluorophosphorane compound (I) with: (a) an inorganic base in an aqueous medium at a temperature of room temperature to 120[deg] C; or (b) a mixture of an inorganic base and water in presence of an organic solvent, separating the organic solvent, removing the solvent, and mixing the remaining reaction mixture with water under heating. Producing foam, comprises reacting a fluoroalkyl fluorophosphorane compound of formula ((R1) nPF 5 - n)) (I) with: (a) an inorganic base in an aqueous medium at a temperature of room temperature to 120[deg] C; or (b) a mixture of an inorganic base and water in presence of an organic solvent, separating the organic solvent, removing the solvent, and mixing the remaining reaction mixture with water under heating. R1 : 1-8C fluoroalkyl; and n : 1-3. Independent claims are also included for: (1) a metal compound of formula ((M) 2> +> z[(R1) nPF 5 - n(OH)] ->) (II); (2) an alkali metal or alkaline earth metal compound of formula ((M) 2> +> z[(R1) nPF 5 - n(OC(O)R)] ->) (III) or (x(M) 2> +>[(R1) nPF 5 - n(OC(O)-R2-C(O)O)F 5 - nP(R1) n] 2> ->) (IV); (3) an ammonium carboxylate compound of formula ([N(R3) 4] +>[(R1) nPF 5 - n(OC(O)R)] ->) (IVa) or (2[N(R3) 4] +>[(R1) nPF 5 - n(OC(O)-R2-C(O)O)F 5 - nP(R1) n) 2> ->) (IVb); (4) preparing (IVa) or (IVb), comprising reacting (I) with an ammonium carboxylate compound of formula ([N(R3) 4] +>[(OC(O)R)] ->) (Va) or (2[N(R3) 4] +>[(OC(O)-R11-C(O)O)] 2> ->) (Vb) in an organic solvent, and subsequently removing the solvent; (5) an ammonium hydroxide compound of formula ([N(R3) 4] +>[(R1) nPF 5 - n(OH)] ->) (VIa) or a phosphonium hydroxide compound of formula ([P(R22) 4] +>[(R1) nPF 5 - n(OH)] ->) (VIb); and (6) preparing (VIa) or (VIb), comprising reacting (I) with an ammonium hydroxide compound of formula ([N(R3) 4][OH]) (VIIa), a phosphonium hydroxide compound of formula ([P(R22) 4][OH]) (VIIb) or its aqueous solutions in an organic solvent, and separating (VIa) or (VIb). M : alkali metal or alkaline earth metal; z : 1 or 2; x : 2 (when z = 1) or 1 (when z = 2); R : 1-20C alkyl; R2 : single bond or 1-4C alkylene; R3 : 3-7C cycloalkyl (saturated or partially unsaturated), 6-12C aryl (both optionally substituted by 1-6C alkyl), H, 1-20C alkyl, 2-20C alkenyl with at least one double bond or 2-20C alkynyl with at least one triple bond (all optionally and partially substituted by halo, -OR11, -C(O)OR11, -OC(O)R11, -OC(O)OR11, -C(O)N(R11) 2or -SO 2N(R11) 2and where one or two non-adjacent and non alpha -position carbon atoms may be replaced by -O-, -S-, -S(O)-, -SO 2, -N +>(R11) 2-, -C(O)NR11-, -SO 2NR11- or P(O)R11); R11 : 1-6C alkyl (non-fluorinated or partially fluorinated), 3-7C cycloalkyl or phenyl (optionally substituted); and R22 : 3-7C cycloalkyl (saturated or partially unsaturated and optionally substituted by 1-6C alkyl), 6-12C aryl (optionally substituted by 1-6C alkyl), -N(R11) 2, 1-20C alkyl, 2-20C alkenyl with at least one double bond or 2-20C alkynyl with at least one triple bond (all optionally and partially substituted by halo, -OR11, -C(O)OR11, -OC(O)R11, -OC(O)OR11, -C(O)N(R11) 2or -SO 2N(R11) 2, and where one or two non-adjacent and non alpha -position carbon atoms may be replaced by -O-, -S-, -S(O)- or -SO 2).