Water soluble phosphines VII. Palladium-catalyzed PC cross coupling reactions between primary or secondary phosphines and functional aryliodides — a novel synthetic route to water soluble phosphines
IC6H4-X or IH3-XY in organic solvents (dimethylacetamide, acetonitrile, methanol) using organic amines or potassium and sodium acetate as bases. If the primary phosphine is employed in the appropriate stoichiometric ratio, functionalized secondary phosphines, e.g. Ph(H)PC6H4-p-SO3Na, may be obtained selectively.
Conjugated alkadiene telomerization to organo-oxyalkadienes
申请人:QUANTUM CHEMICAL CORPORATION (a Virginia corp.)
公开号:EP0218100B1
公开(公告)日:1989-11-29
JPH0693099A
申请人:——
公开号:JPH0693099A
公开(公告)日:1994-04-05
A Novel Access to Tertiary and Secondary ortho-Aminophenylphosphines by Protected Group Synthesis and Palladium Catalyzed P-C Coupling Reactions
作者:Antonella Heßler、Konstantin W. Kottsieper、Stefan Schenk、Michael Tepper、Othmar Stelzer
DOI:10.1515/znb-2001-4-504
日期:2001.5.1
ortho-aminophenylphosphines 2 - 4 in high yields. On deprotection of 2 - 4 with trimethylchlorosilane in the presence of phenol the HCl adducts of the ortho-aminophenylphosphines 5 -7 are formed which may be deprotonated with KOH or NaOH to give the neutral phosphines 5a -7a. The novelsecondaryphosphine 8 with two ortho-aminophenyl groups is accessible by cleavage of the P-C bond in 7a with metallic