查询词典 arsonium
- 与 arsonium 相关的网络例句 [注：此内容来源于网络，仅供参考]
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A new method for the direct synthesis of α-acyl methylenetriphenyl-arsoranes from readily available arsonium salts was afforded.
提供了一个由α-位具有强吸电子取代基的鉮盐一步合成α-酰基胂叶立德的新方法。
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In this dissertation, we also reported a facile stereoselectivesynthesis of (2E, 4E)-2,4-dienals via arsonium salt.
二在合成研究中，我们还发现利用砷盐由醛一步高度立体选择性合成(2E，4E)-2，4烯醛的简便方法。
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These possible mechanisms for the synthetic reaction and thesubstitution reaction of α-hyperiodine group arsonium ylides were proposed.
将它与亲核试剂作用；产生α-硒代或α-硫代胂叶立德，提出了先配位后配体偶联的可能反应机理。
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And thus, either one of the two geometrical isomers can be obtainedat will in high yield with high stercoselectivity,Two different stereoselectivities are displayed in thereactions of arsonium and telluronium benzylides with α,β-unsaturated esters and amides.
发现了苄基胂、碲叶立德在与α，β-不饱和酯、酰胺的环丙烷化反应中表现出不同的立体选择性，肉桂基胂、碲叶立德与α，β-不饱和酯反应时亦是如此。
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Arsonium ylide ; crystal structure ; dimethyl 2-benzoymethylene-3-triphenylarsylene-succinate
胂叶立德；晶体结构； 2-苯甲酰亚甲基-3-三苯胂叉琥珀酸二甲酯
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Carbonyl arsonium ylides, which reacted with almost equimolarphenylselanyl iodide, were conversed into α-phenylseleno arsonium ylides in thepresence of triethylamine, affording a new method for the synthesis of α-phenylseleno arsonium ylides.
在弱碱三乙胺存在下半时，稳定的α-羰基胂叶立德和几乎等摩尔量的苯硒基碘作用，转化成α-苯硒基胂叶立德。提供了一个合成α-苯硒基胂叶立德的新方法。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。