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Methyl-1,6-dioxaspiro [4.5]decane als Duftstoffe von Paravespula vulgaris (L.)

โœ Scribed by Dr. Wittko Francke; Dipl.-Chem. Gerd Hindorf; Dipl.-Chem. Wolfgang Reith


Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
135 KB
Volume
90
Category
Article
ISSN
0044-8249

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โœฆ Synopsis


Bei der in Deutschland weit verbreiteten Kurzkopfwespe P. uulguris (L.) waren im Gegensatz zu anderen staatenbildenden Insekten bisher keine leichtfluchtigen Inhaltsstoffe gefunden worden"].


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A diastereoselective approach to (2R,5S)-and (2S,5S)-2-methyl-1,6-dioxaspiro[4.5]decane 1 and 1a is described. The route starts with an alkylation reaction among the cyclopentanone N,N-dimethylhydrazone 6 and the chiral iodides (R)-3 or (S)-3, derived from the enantiomers of ethyl b-hydroxybutyrate,

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## Synthesis of a mixture of (2S,5R)-and (2S,5S)-2-methyl-l,6-dioxaspiro[4.5]decane, the odor bouquet minor components of Paravespula vulgaris(L.), from L-sorbose \*