- Short and stereoselective syntheses of pheromone components of Aproaerema modicella
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Efficient syntheses of pheromone components of Aproaerema modicella starting from a common intermediate 7-octyn-1-ol is described.
- Yadav,Chandrasekhar,Kache
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- PRODUCTION OF FATTY OLEFIN DERIVATIVES VIA OLEFIN METATHESIS
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In one aspect, the invention provides a method for synthesizing a fatty olefin derivative. The method includes: a) contacting an olefin according to Formula I with a metathesis reaction partner according to Formula IIb in the presence of a metathesis catalyst under conditions sufficient to form a metathesis product according to Formula IIIb: and b) converting the metathesis product to the fatty olefin derivative. Each R1 is independently selected from H, C1-18 alkyl, and C2-18 alkenyl; R2b is C1-8 alkyl; subscript y is an integer ranging from 0 to 17; and subscript z is an integer ranging from 0 to 17. In certain embodiments, the metathesis catalyst is a tungsten catalyst or a molybdenum catalyst. In various embodiments, the fatty olefin derivative is a pheromone. Pheromone compositions and methods of using them are also described.
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Paragraph 0386; 0402
(2017/06/12)
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- Exo- and Endohormones. XI. Synthesis of Monounsaturated Sex Pheromones of Lepitoptera via α-Dicetones
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α-Dicetones (5), prepared starting either with cyanohydrines (1) or with N,N-diethyl oxamate (6), were converted via the dihydrazones 11 ito acetylenes (12).Replacement of the protecting group by the acatate group and partial stereoselective reduction of the triple bond led finally to the title conpounds.
- Oprean, I.,Ciupe, Hilke,Gansca, Lucia,Hodosan, F.
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p. 283 - 289
(2007/10/02)
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