C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 451/04 (2006.01)
Patent
CA 2542110
The invention relates to a method for producing, on the basis of the corresponding 3-oxonortropane or the corresponding 3.alpha.-aminonortropane, N- substituted 3.beta.-aminonortropanes of formula (I), wherein R1 is defined as in the claim. According to the inventive method, the starting compounds are converted to the corresponding imines by means of an arylmethylamine or an arylaldehyde, said imines are tautomerized or isomerized and then hydrolyzed. The invention also relates to the novel compounds of formula (V), wherein R1 and Ar are defined as in the claims.
L'invention concerne un procédé servant à produire des 3.beta.-aminonortropanes N-substitués de formule (I), dans laquelle R?1¿ a la signification indiquée dans les revendications, à partir du 3-oxonortropane correspondant ou du 3.alpha.-aminonortropane correspondant. Selon l'invention, on transforme ces derniers avec une méthylamine arylique ou un aldéhyde arylique en imines correspondants, on tautomérise ou on isomérise ces derniers, puis on les hydrolyse. L'invention concerne également les nouveaux composés de formule (V), dans laquelle R?1¿ et Ar ont les significations indiquées dans les revendications.
Ignatow Hans-Peter
Sobotta Rainer
Boehringer Ingelheim International Gmbh
Fetherstonhaugh & Co.
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