HYDROFORMYLATION OF LINEAR BUTENES WITH THE PLATINUM TIN TRIPHENYLPHOSPHINE CATALYTIC-SYSTEM .2. THE EFFECT OF PROMOTERS

被引：10

作者：

ANCILLOTTI, F ^{[1
]}

LAMI, M ^{[1
]}

MARCHIONNA, M ^{[1
]}

机构：

[1] SNAMPROGETTI SPA,DIV RES,VIA F MARITANO 26,I-20097 SAN DONATO MILANE,ITALY

来源：

JOURNAL OF MOLECULAR CATALYSIS | 1990年 / 58卷 / 03期

关键词：

D O I：

10.1016/0304-5102(90)85023-B

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This study concerns the hydroformylation of n-butenes to n-pentanal and 2-methylbutanal using PtCl2(cod)/PPh3/SnCl2 as a catalyst precursor in the presence of various promoters. The addition of pyridine gives rise to a system with slight isomerizing and hydrogenating abilities but its activity is disappointingly low. The addition of iminium chlorides such as (PPN)Cl results in a very active system with increased stability and decreased isomerizing and hydrogenating behaviours as compared to the unpromoted system. The presence of higher concentrations of SnCl3- may be responsible for the different characteristics of this promoted system. Finally, a new system without phosphorus ligands, viz. PtCl2(cod)/(PPN)Cl/SnCl2, was found. This system will hydroformylate both terminal and internal olefins, but shows a marked hydrogenating behaviour. © 1990.

引用

页码：345 / 354

页数：10

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