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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 5801263 B1

PDFFull Text
Date of Patent:
Sep. 01, 1998

Filed:

May. 15, 1997

Process for preparing tertiary phosphines containing phosphinate or

Applicant:
Inventors:

Thomas Seitz, Heddesheim, DE;

Steffen Haber, Konigstein, DE;

Hans-Jerg Kleiner, Kronberg, DE;

Assignee:

Hoechst Aktiengesellschaft, , DE;

Attorney:

Connolly & Hutz

Primary Examiner:

Gary Geist

Assistant Examiner:

Jean F Vollano

Int. Cl.
CPC ...
C07F / ; C07F / ;
U.S. Cl.
CPC ...
558155 ; 568 12 ; 568 17 ; 562 20 ; 558155 ;
Abstract

Tertiary phosphines of the formula (I) ##STR1## in which X is a phosphinate or phosphonate group, are prepared by a palladium-catalyzed coupling of p-, m- or o-bromofluorobenzenes with alkyl akylphosphonous acid ester or alkyl alkylphosphite ester and reacting the resulting alkyl fluorophenylphosphinates or alkyl fluorophenylphosphonates with a metal phosphide.

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Seitz, Thomas. (1998). Process for preparing tertiary phosphines containing phosphinate or (U.S. Patent No. 5801263). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5801263

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