New Cyclopentadienyl, Indenyl or Fluorenyl Substituted Phosphine Compounds and Their Use in Catalytic Reactions
申请人:Evonik Degussa GmbH
公开号:US20140058101A1
公开(公告)日:2014-02-27
The invention is directed to a phosphine compound represented by general formula (1) wherein R′ and R″ independently are selected from alkyl, cycloalkyl and 2-furyl radicals, or R′ and R″ are joined together to form with the phosphorous atom a carbon-phosphorous monocycle comprising at least 3 carbon atoms or a carbon-phosphorous bicycle; the alkyl radicals, cycloalkyl radicals, and carbon-phosphorous monocycle being unsubstituted or substituted by at least one radical selected from the group of alkyl, cycloalkyl, aryl, alkoxy, and aryloxy radicals; Cp
s
is a partially substituted or completely substituted cyclopentadien-1-yl group, including substitutions resulting in a fused ring system, and wherein a substitution at the 1-position of the cyclopentadien-1-yl group is mandatory when the cyclopentadien-1-yl group is not part of a fused ring system or is part of an indenyl group. Also claimed is the use of these phosphines as ligands in catalytic reactions and the preparation of these phosphines.
本发明涉及一种磷化合物,其通式表示为(1),其中R'和R"独立地选择为烷基,环烷基和2-呋喃基基团,或者R'和R"与磷原子结合形成至少包含3个碳原子的碳-磷单环或碳-磷双环;烷基基团,环烷基基团和碳-磷单环未被取代或被至少一种从烷基,环烷基,芳基,烷氧基和芳氧基基团中选择的基团取代;Cp是部分取代或完全取代的环戊二烯-1-基基团,包括导致融合环系统的取代,当环戊二烯-1-基基团不是融合环系统的一部分或是茚基团的一部分时,必须在环戊二烯-1-基基团的1位进行取代。还声明了这些磷化物作为催化反应中的配体以及这些磷化物的制备的用途。