Novel synthetic route for (parent) phosphetanes, phospholanes, phosphinanes and phosphepanes
作者:Stephan Reichl、Gábor Balázs、Manfred Scheer
DOI:10.1039/d3sc00580a
日期:——
A novel synthetic route for (parent) phosphorus-containing cycloalkanes such as phosphetanes, phospholanes, phosphinanes and phosphepanes is reported. By using [K(dme)2]2[Cp*Fe(η4-P5)] (I) in combination with α,ω-dibromoalkanes CnH2nBr2 [n = 3–6], unique phosphetane, phospholane, phosphinane and phosphepane precursor complexes [Cp*Feη4-P5(CH2)n}] [n = 3–6] (2–5) are synthesised. They act as P-atom
报道了一种用于(母体)含磷环烷烃(如磷杂环戊烷、磷杂环戊烷、膦烷和磷杂环己烷)的新合成路线。通过使用 [K(dme) 2 ] 2 [Cp*Fe(η 4 -P 5 )] ( I ) 与 α,ω-二溴烷烃 C n H 2 n Br 2 [ n = 3–6],独特的磷化烷, phospholane, phosphinane 和 phospepane 前体复合物 [Cp*Feη 4 -P 5 (CH 2 ) n }] [ n = 3–6] ( 2–5) 合成。它们充当 P 原子载体,相应的磷杂环丁烷、磷杂环戊烷、膦烷和磷杂环己烷 ( 6–9 ) 可由亲核试剂释放,即苄基钾 (KBn) 或 LiAlH 4。后者能够以简单直接的方式选择性合成母体环状仲膦 ( 10 ),包括第一母体磷杂环丁烷 ( 10b )。