One-pot synthesis of new 6-(alkylamine)dibenzo[<i>c,e</i>][1,2]oxaphosphinine-6-oxides
作者:José Gustavo Ávila-Zárraga、Ignacio Pérez、Erick Beristain、Irma Gavilan、Moises Romero
DOI:10.1080/00397911.2016.1265651
日期:2017.2.16
ABSTRACT Several new 6-(alkylamine)-6H-dibenz[c,e][1,2]oxaphosphinine-6-oxides were prepared through a one-pot reaction, starting with 2-phenylphenol, phosphorus trichloride, and a Zn catalyst, to form 6-chloro-6H-dibenz[c,e][1,2]oxaphosphine. The alkylamine derivatives were subsequently prepared through a nucleophilic substitution reaction involving aliphatic amines and H2O2 oxidation under soft conditions
摘要 以 2-苯基苯酚、三氯化磷和 Zn 催化剂为原料,通过一锅法反应制备了几种新型 6-(烷基胺)-6H-二苯并 [c,e][1,2]oxaphosphinine-6-oxides,形成 6-氯-6H-二苯并[c,e][1,2]氧膦。随后在软条件下通过涉及脂肪胺和 H2O2 氧化的亲核取代反应制备烷基胺衍生物。该方法的优点是它是一锅合成,不需要惰性气氛,并且涉及原位催化剂形成。图形概要