概述了疯草三类主要有毒成分:脂肪族硝基化合物、硒及硒化合物、疯草毒素(生物碱)。
This article summarized the three toxic constituent of locoweed: aliphatic nitro compound, selenium and selenide, locoweed toxin (alkaloids).
目标化合物以甘油、硝基甲烷为三方向起始核心,以从季碳原子三倍对称分散的化合物1~3为分支侧链。
Three branched monomers 1 ~ 3, possessing 3 - fold symmetry and branches emanating from a tetrahedral carbon branch point, were utilized as the key building block in the dendrimer syntheses.
研究三氯化钛存在下邻硝基苯胺与1,2 -二酮在碱性介质中一锅反应,快速方便、高收率地合成了一系列取代喹喔啉化合物。
In this paper, the one-pot reaction of aqueous titanium trichloride with o-nitroaniline and 1, 2-diketone compounds in basic media was studied.
一个是亚磷酸三苯酯臭氧化合物,另一个是3-(4-硝基苯磺酰基)-2-苯基-2-硫代-1,3,2-恶唑磷啉。
One is triphenyl phosphite ozonide, the other is 3-(4-nitrophenylsulfonyl)-2-phenyl-2-thioxo-1,3,2-oxazaphospholidine.
一个是亚磷酸三苯酯臭氧化合物,另一个是3-(4-硝基苯磺酰基)-2-苯基-2-硫代-1,3,2-恶唑磷啉。
One is triphenyl phosphite ozonide, the other is 3-(4-nitrophenylsulfonyl)-2-phenyl-2-thioxo-1,3,2-oxazaphospholidine.
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