Conjugated diene phosphinate compounds, preparation method and use thereof

摘要

This invention relates to conjugated diene phosphinate compounds for making halogen free phosphinate-containing flame retardants, inimer and metal extractants, method for preparing said compounds from unsaturated ketones or aldehydes, and the 5 use thereof. The compounds of the present invention having the following formula (III), wherein R1, R2, R3, R4, R5 and R6 represent, independently, hydrogen, alkyl, aryl, alkaryl, aralkyl, cycloalkyl, heterocycloalkyl, or alkenyl groups; R7 represents hydrogen, alkyl, aryl, alkaryl, aralkyl, cycloalkyl, alkenyl groups, or metals selected from the group consisting of Na, Li, Ca.;

主权项

1. A conjugated diene phosphinate compound having the formula III: wherein, R1, R2, and R4 each represent, independently, hydrogen, alkyl, aryl, alkaryl, aralkyl, cycloalkyl, heterocycloalkyl, or alkenyl; R3 and R5 each represent methyl; R6 and R7 each represent hydrogen; and optionally wherein any two of R1, R2, R3, R4, and R5 form a 3-8 membered cycloalkyl or heterocycloalkyl ring.