| 摘要 |
NEW MATERIAL:A functional resin of formula I , wherein X is a group of formula II, wherein t is 0 or 1, and l is 1-20, n>=10, 0<j<1, u is 1 or 2, m is 0 or 1, and t and m must not be zero at the same time. USE:Recovery of heavy metals dissolved in water, resin for the optical resolution of amino acids, etc. PREPARATION:A polyallylamine is reacted with N,N-phthaloylglutamic 1,5-anhydride of formula III or N,N-phthaloylaspartic 1,4-anhydride, and the product is treated with hydrazine hydrate. |
