C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/361
C07D 307/34 (2006.01) C07F 9/40 (2006.01)
Patent
CA 1271967
ABSTRACT OF THE DISCLOSURE: Disclosed and claimed is a process of preparing furans by hydrogenation of isoxazolines of the general formula II: Image (II) in which: R1, R2, R3 and R4 are each hydrogen, unsubstituted or halogen- haloalkyl-, alkoxy-, haloalkoxy-, nitro-, cyano-, dialkyl-phos- phonyl- or allcoxycarbonyl-substituted alkyl, aryl, aralkyl, alkoxycarbonyl or dialkoxyphosphonyl, R3 is also hydroxyalkyl which is unblocked or blocked by a detachable protective group or is haloalkyl and X is hydrogen or a detachable protective group. The isoxazolines of the general formula II except those in which R1 and R3 are hydrogen are novel substances that are also claimed.
602408
Becker Rainer
Himmele Walter
Theobald Hans
Basf Aktiengesellschaft
Becker Rainer
Himmele Walter
Robic Robic & Associes/associates
Theobald Hans
LandOfFree
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