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.:
Date of Patent:
May. 19, 1987
Filed:
Feb. 14, 1986
Applicant:
Inventors:
Cornelis G van de Moesdijk, Spaubeek, NL;
Hubertus J Delahaye, Voerendaal, NL;
Antonius J Teunissen, Geleen, NL;
Assignee:
Stamicarbon B.V., Geleen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544242 ;
Abstract
The process according to the invention for the preparation of a 2-propyl- or 2-butylpyrimidine, in which the corresponding 2-alkyl-1,4,5,6-tetrahydropyrimidine is dehydrogenated in the gas phase with a palladium-containing catalyst and in which a 2-propyl- or 2-butylpyrimidine is recovered from the reaction mixture, is characterized in that the gas-phase reaction is carried out using a carbon monoxide-hydrogen reactant. As this is understood a mixture of carbon monoxide and hydrogen and/or a compound capable of at least partial decomposing into CO and H.sub.2 under the reaction conditions.