SU107266A1 - Phenyldichlorophosphine release method - Google Patents

Description

Phenyldichlorophosphine is one of the most important organophosphorus compounds.

In a known way liO.IVieiJllFr

fe; 1i; 11 Chloro (| x) C (|) IIa b;) isomodeH1CiiiMCM benzo.sh li trihuric phosphorus 15 in the presence of chloride a, the product is isolated from the x-ray mass by means ofOlKllii; STROLEY1I51L1 E {|) IROM.

Ed. i Hiiiii method. leich1 feyildhlnosphosph | I1a from the reaction of the mass, and on the basics iz imodeyCTBiieM 6wf3o.ia and three-porous phos {1) org1 15 in the presence of a.ch. phosphorus, to the reaction mass 1 of the ribavl iiridine to bind the h of the secondary monomer and fstpaldihdorfosshrig are separated by distillation, 11 p and m s r. Poc. having a p1 base of the hiiii reaction and a beistole interaction 39 hours, phosphorus chloride 206 hours, in the iris - And ch.oristoy.chumyii 70 hours by boiling with a holo The mixture is mixed for 3-4 hours with energetic non-intermechanical reaction mixture is cooled and the excess t-exxoristo | -o phosphorus is distilled off at. thirty-

40.1 residual pressure and temperature 50-55. To the remaining liquid is added with unmixing and 42 parts of dry pyridine, maintaining the temperature by reacting the mixture with 40-50 mixture. The reaction mixture is heated to 60–70 n and distilled in a vacuum of CO; in case of re-joining, easily volatile (|) rakts1PO, soda | 5zhai1uyu remains of trichloride (| yusfor and pyryl, ia, and then technical pheni. t.ichlor1 | x) S (Lii in kol1g-1eelva 83 h. (93- from Leoria).

At r1O1, the top distillation, 80 parts of ppm,) with a boiling point of 58-59 (0.8-

i.

The method is limited to the reaction, ld1 chlorophos () and from the reaction mass obtained by the interaction of benzene and trichloro; solid phosphorus in the presence of h.yurist a; pom1N1, o t, l and h hI; and with the fact that, from the point of view of the management of the process and of the yield, the excess three-hloril1 is distilled off from the reaction mass (1 liter but OKOir-iain-nr main reaction); Phosphorus 107266 binds aluminum chlorides11 by adding pi2-ridip and nepeioiiKOH phenyl chlorophosphine is isolated.