Enantiomerically pure intermediates, their preparation and their use for preparing enantiomerically pure disparlure

Enantiomerically pure intermediates, their preparation and their use for preparing enantiomerically pure disparlure

Enantiomerically pure diols monoprotected as acetals, of the general formula in which A, B, C and D are a hydrogen atom or a methyl group in any desired combination, m and n are the numbers zero, 1 or 2, where the total of m and n must be the number 1 or 2, and R1 and R2 are different and are an n-d...

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Hauptverfasser: KNOLLMUELLER, MAX, DR., WIEN, AT, STEINBAUER, GERHARD. DR., ENNS, AT, KUERNER, HELMUT. DR., GRAFENBACH, AT, NOE, CHRISTIAN. MAG
Format: Patent
Sprache:eng ; ger
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:Enantiomerically pure diols monoprotected as acetals, of the general formula in which A, B, C and D are a hydrogen atom or a methyl group in any desired combination, m and n are the numbers zero, 1 or 2, where the total of m and n must be the number 1 or 2, and R1 and R2 are different and are an n-decyl radical or a 5-methylhexyl radical, their preparation and use for preparing the pheromones (7R-cis)(+)-disparlure, (7R-trans)(+)-disparlure, (7S-cis)(-)-disparlure and (7S-trans)(-)-disparlure.