申请人:Colgate-Palmolive Company
公开号:US03956479A1
公开(公告)日:1976-05-11
Quaternary ammonium carbamate, thiocarbamate, dithiocarbamate and carbamide compounds. Typical examples are [C.sub.4 H.sub.9 NHCOO(CH.sub.2).sub.2 N.sup.+(CH.sub.3).sub.2 C.sub.12 H.sub.25 ]Br.sup.- [C.sub.4 H.sub.9 NHCSO(CH.sub.2).sub.2 N.sup.+(CH.sub.3).sub.2 C.sub.12 H.sub.25 ]Br.sup.- [CH.sub.3 NHCSS(CH.sub.2).sub.2 N.sup.+(CH.sub.3).sub.2 C.sub.12 H.sub.25 ]Br.sup.- [C.sub.2 H.sub.5 NHCONH(CH.sub.2).sub.2 N.sup.+(CH.sub.3).sub.2 C.sub.12 H.sub.25 ]Br.sup.- These compounds are effective against gram positive bacteria and fungi and reduce caries and inhibit formation of oral calculus. The thiocarbamates can be prepared by converting amino alcohols to sodium salts thereof with metallic sodium and reacting isothiocyanates with the sodium salts followed by quaternization. The carbamates can be prepared by reacting isocyanates with amino alcohols followed by quaternization. The dithiocarbamates can be prepared by reacting isothiocyanates with sodium salts of aminoalkanethiols followed by quaternization. The carbimides can be prepared by reacting isocyanates with alkanediamines followed by quaternization.
季铵羰酸酯、硫代羰酸酯、二硫代羰酸酯和尿素化合物。典型的例子是[C.sub.4 H.sub.9 NHCOO(CH.sub.2).sub.2 N.sup.+(CH.sub.3).sub.2 C.sub.12 H.sub.25 ]Br.sup.- [C.sub.4 H.sub.9 NHCSO(CH.sub.2).sub.2 N.sup.+(CH.sub.3).sub.2 C.sub.12 H.sub.25 ]Br.sup.- [CH.sub.3 NHCSS(CH.sub.2).sub.2 N.sup.+(CH.sub.3).sub.2 C.sub.12 H.sub.25 ]Br.sup.- [C.sub.2 H.sub.5 NHCONH(CH.sub.2).sub.2 N.sup.+(CH.sub.3).sub.2 C.sub.12 H.sub.25 ]Br.sup.- 这些化合物对革兰氏阳性细菌和真菌有效,并减少龋齿和抑制口腔牙石的形成。硫代羰酸酯可通过将氨基醇转化为其钠盐,再用金属钠与异硫氰酸酯反应,最后进行季铵化反应制备。羰酸酯可通过异氰酸酯与氨基醇反应,然后进行季铵化反应制备。二硫代羰酸酯可通过将氨基烷硫醇的钠盐与异硫氰酸酯反应,然后进行季铵化反应制备。卡比酰胺可通过异氰酸酯与脂肪族二胺反应,然后进行季铵化反应制备。