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Sigillin A,a Unique Polychlorinated Arthropod Deterrent from the Snow Flea Ceratophysella sigillata
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Dr. Witali Schmidt Dr. Thies M. Schulze Dr. Gregor Brasse Dr. Edyta Nagrodzka Michael Maczka Prof. Dr. Jürg Zettel Prof. Dr. Peter G. Jones Prof. Dr. Jörg Grunenberg Prof. Dr. Monika Hilker Ute Trauer‐Kizilelma Ute Braun Prof. Dr. Stefan Schulz 《Angewandte Chemie (International ed. in English)》2015,54(26):7698-7702
The snow flea Ceratophysella sigillata, a winter‐active species of springtail, produces unique polychlorinated octahydroisocoumarins to repel predators. The structure of the major compound, sigillin A, was elucidated through isolation, spectroscopic analysis, and X‐ray crystallography. Sigillin A showed high repellent activity in a bioassay with predatory ants. A promising approach for the total synthesis of members of this new class of natural compounds was also developed. 相似文献
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