Reference(s) for synthesis of 2-Ethyl-1,6-dioxaspiro[4.4]nonane [chalcogran]
Balea, A., Pojar-Fenesan, M., Pop, L. Oprean, I., and Ciupe, H. 2002. Exo and endohormones. XX1 Synthesis of racemic 2-ethyl-1,6-dioxaspiro[4,4] nonane, the aggregation pheromone of Pityogenes chalcographus (Coleoptera, Scolytidae). Rev. Roum. Chim. 47:465-469. |
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Cekovic, Z., Bosnjak, J., Mandic, D., and Ilijev, D. 1985. Synthesis of spiro-ketal pheromones. Croatica Chem. Acta. 58:671. |
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Doherty, A.M., Ley, S.V., Lygo, B., and Williams, D.J. 1984. Synthesis of spiroacetals using organoselenium-mediated cyclisation reactions. X-ray molecular structure of (2S,8R)-8-methyl-2-phenyl-1,7-dioxaspiro[5.5]undecan-4(R)-ol. J. Chem. Soc. Perkin Trans. 1:1371-1377. |
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Enders, D., Dahmen, W., Dederichs, E., and Weuster, P. 1983. Spiroacetals from acetone and oxiranes - a simple route to optically active 1,6-dioxaspiro[4.4]nonane-pheromones. Synth. Comm. 13:1235-1242. |
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Francke, W., and Reith, W. 1979. Alkyl-1,6-dioxaspiro[4.4]nonane, eine neue klasse von pheromonen. Liebigs Ann. Chem. 1. |
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Francke, W., Heemann, V., Gerken, B., Renwick, J.A.A., and Vite, J.P. 1977. 2-ethyl-1,6-dioxaspiro[4 4]nonane, principal aggregation pheromone of Pityogenes chalcographus (L.), Naturwissenschaften. 64:590. |
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Hungerbühler, E., Naef, R., Wasmuth, D., Seebach, D., Loosli, H.-R., and Wehrli, A. 1980. Synthese optisch aktiver 2-methyl- und 2-ethyl-1,6-dioxaspiro[4.4]nonan- und -[4.5]decan - pheromone aus einem gemeinsamen chiralen vorlaeufer. Helv. Chim. Acta. 63:1960-1970. |
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Ireland, R.E., and Haebich, D. 1981. Pheromonsynthesen - modellreaktionen zur synthese von polyether-antibiotika. Chem. Ber. 114:1418. |
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Koppenhoefer, B., Hintzer, K., Weber, R., and Schurig, V. 1980. Quantitative separation of the enantiomeric pairs of the pheromone 2-ethyl-1,6-dioxaspiro[4.4]nonane by complexation chromatography on an optically active metal complex. Angew. Chem. Int. Ed. Engl. 19:471-472. |
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Kozhich, O.A., Segal, G.M., and Torgov, I.V. 1982. Synthesis of 2-ethyl-1,6-dioxaspiro(4.4)nonane, main component of the chalcograph beetle (Pityogenes chalcographus L.) pheromone. Izv. Akad. Nauk. SSSR. Ser. Khim. 325. |
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Mori, K., Sasaki, M., Tamada, S., Suguro, T., and Masuda, S. 1979. Synthesis of optically active 2-ethyl-1,6-dioxaspiro[4.4]nonane (chalcogran), the principal aggregation pheromone of Pityogenes chalcographus (L.). Tetrahedron. 35:1601-1605. |
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Phillips, C., Jacobson, R., Abrahams, B., Williams, H.J., and Smith, L.R. 1980. Useful route to 1,6-dioxaspiro[4.4]nonane and 1,6-dioxaspiro[4.5]decane derivatives. J. Org. Chem. 45:1920-1924. |
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Redlich, H. 1982. Chirale bausteine aus kohlenhydraten, VI. Synthese von (2R,5RS)- und (2S,5RS)-2-ethyl-1,6-dioxaspiro[4.4]nonan (chalcogran) aus D-glucose. Liebigs Ann. Chem. 708. |
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Redlich, H., and Francke, W. 1980. Optically active chalcogran (2-ethyl-1,6-dioxaspiro[4.4]nonane). Angew. Chem. Int. Ed. Engl. 19:630-631. |
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Rosini, G., Ballini, R., Petrini, M., and Marotta, E. 1986. Nitromethane as d1,d1 multiple coupling reagent for the carbonyl dianion synthon. Practical synthesis of chalcogran. Angew. Chem. Int. Ed. Engl. 25:941-942. |
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Smith, L.R., Williams, H.J., and Silverstein, R.M. 1978. Facile synthesis of optically active 2-ethyl-1 6dioxaspiro[4.4]nonane, component of the aggregation pheromone of the beetle Pityogenes chalcographus (L.). Tetrahedron Lett. 19:3231-3232. |
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Utimoto, K. 1983. Palladium catalyzed synthesis of heterocycles. Pure Appl. Chem. 55:1845. |
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