R ) and ( S ) 4 Methyl 1 nonanol, the sex attractant of the yellow mealworn( Tenebrio molitor L. ), were synthesized from bornane 10,2 sultam via asymmetric alkylation of N acylbornane 10,2 sultam with alkyl iodide, r...R ) and ( S ) 4 Methyl 1 nonanol, the sex attractant of the yellow mealworn( Tenebrio molitor L. ), were synthesized from bornane 10,2 sultam via asymmetric alkylation of N acylbornane 10,2 sultam with alkyl iodide, reductive cleavage with LiAlH 4, bromination with HBr and reaction of organocuprate reagent with ethylene oxide in the presence of BF 3·Et 2O. The enantiomeric excess of the total syntheses was over 97%e.e..展开更多
葡萄透翅蛾(Paranthrene regalis Butler)一年发生一代,是葡萄重要的蛀茎害虫。幼虫孵化后20—120分钟蛀入嫩梢,继而蛀向粗枝,直到下一年羽化。一生在葡萄茎内生活11个月以上,防治有利时机甚短。必须准确测报虫情,才能切实掌握住最佳防...葡萄透翅蛾(Paranthrene regalis Butler)一年发生一代,是葡萄重要的蛀茎害虫。幼虫孵化后20—120分钟蛀入嫩梢,继而蛀向粗枝,直到下一年羽化。一生在葡萄茎内生活11个月以上,防治有利时机甚短。必须准确测报虫情,才能切实掌握住最佳防治时机。但葡萄透翅蛾两性间有较强的性信息联系,雌、雄蛾一生都只交配一次(周祖琳),其性信息素成分,已鉴定为反、顺—3、13—十八碳二烯醇(E,Z—3,13—18:OH)(许少甫等),奠定了应用性信息素防治的基础。本研究目的,就在于探索利用性信息素诱捕器测报葡萄透翅蛾发生期的可能性。展开更多
文摘R ) and ( S ) 4 Methyl 1 nonanol, the sex attractant of the yellow mealworn( Tenebrio molitor L. ), were synthesized from bornane 10,2 sultam via asymmetric alkylation of N acylbornane 10,2 sultam with alkyl iodide, reductive cleavage with LiAlH 4, bromination with HBr and reaction of organocuprate reagent with ethylene oxide in the presence of BF 3·Et 2O. The enantiomeric excess of the total syntheses was over 97%e.e..
文摘葡萄透翅蛾(Paranthrene regalis Butler)一年发生一代,是葡萄重要的蛀茎害虫。幼虫孵化后20—120分钟蛀入嫩梢,继而蛀向粗枝,直到下一年羽化。一生在葡萄茎内生活11个月以上,防治有利时机甚短。必须准确测报虫情,才能切实掌握住最佳防治时机。但葡萄透翅蛾两性间有较强的性信息联系,雌、雄蛾一生都只交配一次(周祖琳),其性信息素成分,已鉴定为反、顺—3、13—十八碳二烯醇(E,Z—3,13—18:OH)(许少甫等),奠定了应用性信息素防治的基础。本研究目的,就在于探索利用性信息素诱捕器测报葡萄透翅蛾发生期的可能性。
