Process for preparing an alcohol from an olefin

Details Process for preparing an alcohol from an olefin Process for preparing an alcohol from an olefin

2002-11-22

2004-07-13

Shippen, Michael L. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S814000, C568S909000

Reexamination Certificate

active

06762332

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a process for preparing an alcohol from an olefin, wherein the olefin is reacted with syngas in the presence of a hydroformylation catalyst.
BACKGROUND OF THE INVENTION
The synthesis of “oxo” alcohols by hydroformylating an olefin followed by the hydrogenation thereof is known. As described in Chapter 1 of Falbe's “New Syntheses with Carbon Monoxide” (Springer-Verlag, 1980), the synthesis involves the preparation of an aldehyde by the following reaction:
R—CH═CH
2
+CO+H
2
→R—CH
4
—CH
2
—CHO
The hydroformylation reaction is typically conducted in the presence of a homogeneous catalyst on the basis of a transition metal, such as cobalt, nickel, palladium or platinum. This reaction is also extensively described in Chapter 4 of “Carbonation” by Colquhoun et al (Plenum Press, 1991).
A secondary reaction occurring simultaneously involves the hydrogenation of the oxo-aldehyde into an oxo-alcohol. The extent of this secondary reaction can be increased via various measures, although it must be borne in mind that these measures may lead to many undesirable side-products (Falbe, Chapter 1.5.2.2.1).
Some homogeneous catalysts have sufficient activity to hydrogenate the in-situ formed oxo-aldehyde into the desired oxo-alcohol. However, in most instances a separate post-hydrogenation finishing step of the oxo-alcohol is essential due to quality considerations. It therefore remains desirable to be able to produce alcohols in a single-step process without the necessity of a post-hydrogenation finishing step.
SUMMARY OF THE INVENTION
Accordingly, the present invention provides a process for the preparation of an alcohol from an olefin, wherein the olefin is reacted with syngas in the presence of a catalyst system comprising a homogeneous hydroformylation catalyst and a heterogeneous catalyst comprising copper on a support.


REFERENCES:
patent: 3839459 (1974-10-01), Bennett
patent: 4447661 (1984-05-01), Hoshiyama et al.
patent: 4982011 (1991-01-01), Hanin
patent: 5096688 (1992-03-01), Miller et al.
patent: 5364984 (1994-11-01), Arntz et al.
patent: 6548716 (2003-04-01), Lange
patent: 94 06739 (1994-03-01), None

Affiliated with

Also associated with

Rating

Process for preparing an alcohol from an olefin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing an alcohol from an olefin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing an alcohol from an olefin will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3237117