A kind of phosphorus anion reagent and its preparation method and application

Abstract

The invention discloses a phosphorus anionic reagent as well as a preparation method and application thereof. The phosphorus anionic reagent has the structural formula as shown in the figure I in thespecification, wherein X is any one of elements of aluminum, boron, silicon and titanium, the valence state of X is m, Z is halogen or pseudohalogen, and n is equal to m-1, R<+> is any one of an ammonium positive ion, a sulfur onium ion and a phosphorus onium ion. The preparation method comprises the following step that under the protection of inert gas, a phosphoric acid derivative reacts with areducing agent in an organic solvent so as to prepare the phosphorus anionic reagent, wherein the reducing agent has the structural formula as shown in the figure II in the specification, and in the structural formula of the reducing agent, R1 is any one of hydrogen, C1-6 alkyl, C1-3 alkoxy, phenyl and substituted phenyl. According to the phosphorus anionic reagent as well as the preparation method and application thereof, the preparation process of the phosphorus anionic reagent is simple, the obtained phosphorus anionic reagent is high in activity and can be applied to prepare a compound containing any one or more of chemical bonds such as a P-C bond, a P-S bond, a P-F bond and a P-H bond, the range of synthesized phosphorus compounds is wide, the use of phosphorus trichloride can be avoided, and the the phosphorus anionic reagent as well as the preparation method and application thereof are green, environmentally friendly, safe and efficient.

Description

technical field

[0001] The invention relates to the technical field of ionic reagents, in particular to a phosphorus anion reagent and a preparation method and application thereof. Background technique

[0002] Organophosphorus compounds are an important class of organic compounds, widely used in pesticides, fertilizers, battery electrolytes, flame retardants, plasticizers, water stabilizers, petroleum additives and surfactants, etc. showed excellent performance in the field. In addition, phosphorus compounds play an extremely important role in the synthesis of new substances. Many major breakthroughs in organic synthesis are closely related to the discovery of new organophosphorus reagents, phosphorus ligands and phosphorus catalysts.

[0003] The traditional preparation method of organophosphorus compounds is mainly obtained by the nucleophilic substitution reaction of phosphorus trichloride, while phosphorus trichloride is mainly synthesized by the "thermal process" wit...

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