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1. (WO1992010488) METHOD OF PREPARING FORMYLTETRAHYDROPYRANS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1992/010488 International Application No.: PCT/EP1991/002289
Publication Date: 25.06.1992 International Filing Date: 03.12.1991
Chapter 2 Demand Filed: 12.05.1992
IPC:
C07D 309/06 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
309
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
02
having no double bonds between ring members or between ring members and non-ring members
04
with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
06
Radicals substituted by oxygen atoms
Applicants:
BASF AKTIENGESELLSCHAFT [DE/DE]; Carl-Bosch-Strasse 38 D-67056 Ludwigshafen, DE (AllExceptUS)
BRENNER, Karl [DE/DE]; DE (UsOnly)
GOETZ, Norbert [DE/DE]; DE (UsOnly)
HENKELMANN, Jochem [DE/DE]; DE (UsOnly)
KUEKENHOEHNER, Thomas [DE/DE]; DE (UsOnly)
SPIEGLER, Wolfgang [DE/DE]; DE (UsOnly)
Inventors:
BRENNER, Karl; DE
GOETZ, Norbert; DE
HENKELMANN, Jochem; DE
KUEKENHOEHNER, Thomas; DE
SPIEGLER, Wolfgang; DE
Common
Representative:
BASF AKTIENGESELLSCHAFT; Carl-Bosch-Strasse 38 D-67056 Ludwigshafen, DE
Priority Data:
P 40 39 918.414.12.1990DE
Title (DE) VERFAHREN ZUR HERSTELLUNG VON FORMYLTETRAHYDROPYRANEN
(EN) METHOD OF PREPARING FORMYLTETRAHYDROPYRANS
(FR) PROCEDE DE FABRICATION DE FORMYLTETRAHYDROPYRANNES
Abstract:
(DE) Herstellung von Formyltetrahydropyranen (I) durch Dehydrierung von Hydroxymethyltetrahydropyran (II) in Gegenwart eines Kupfer-, Silber- und/oder Goldkatalysators. Die Formyltetrahydropyrane (I) sind wertvolle Zwischenprodukte für Pharmaka und Pflanzenschutzmittel.
(EN) Disclosed is a method for the preparation of formyltetrahydropyrans (I) by dehydrogenating hydroxymethyltetrahydropyrans (II) in the presence of a copper, silver and/or gold catalyst. The formyltetrahydropyrans (I) thus obtained are useful intermediates in the preparation of pharmaceuticals and phytopathalogical products.
(FR) Fabrication de formyltétrahydropyrannes (I) par déshydrogénation d'hydroxyméthyltétrahydropyranne (II) en présence d'un catalyseur au cuivre, à l'argent et/ou à l'or. Les formyltétrahydropyrannes (I) sont des produits intermédiaires intéressants pour l'obtention de produits pharmaceutiques et phytosanitaires.
Designated States: CA, HU, JP, KR, SU, US
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, MC, NL, SE)
Publication Language: German (DE)
Filing Language: German (DE)
Also published as:
EP0561841RU02152938JP3043068JPH06503070CA2098277KR1019930703283