Synthesis and Conformation of Hexahydro-isoquino[ 1,2-b][3]benzazepines
~The synthesis of the six hexahydro-isoquino [ 1,2-b][3]benzazepines 13a-f is described; their conformation is investigated by NMR spectroscopic methods, X-ray analysis and dehydrogenation with mercury(I1) acetate. Die beiden Hydroxyester 4 und 6 wurden nun rnit den drei verschieden substituierten (2-Phenylethy1)aminen 5a-c zu den Hydroxyamiden 7a-f kondensiert. Je nach Amin-
Synthesis of Isomeric Methyl ϵ‐Hydroxycarboxylates
The synthesis of the three isomeric methyl ϵ‐hydroxycarboxylates 3, 6 and 10a in good overall yields is described.
Synthesis and Conformation of Hexahydroisoquino(1,2-b) (3)benzazepines.-A facile route for the synthesis of the title heterocycles (V) (6 examples) starting from (2-phenylethyl)amines (I) is given. Their conformation is investigated by NMR spectroscopic methods, X-ray analysis and dehydrogenation with mercury(II) acetate. -(CLEMENS, M.; MEISE, W.; HIMMEL, K.; JANSEN, M.; Liebigs Ann./Recl. (1997) 2, 447-457; Pharm.
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