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- 详细信息
- 文献和实验
- 技术资料
- 保存条件：
Protected by Nitrogen (2℃-8℃)
- 英文名：
2-bromo-1-methyl-1H-imidazole
- 供应商：
南京鼎石
- CAS号：
16681-59-7
- 规格：
10g///25g///50g///100g///250g///500g///1kg///5kg///17836kg
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文献和实验to replace combinattons of leucme coupled with valine in pepttde sequences. The preparation described is the final method developed, after many early less successful attempts. The synthesis mvolves (Fig. 1 ) the coupling of 1-bromo-5-methyl-2-hexene 3 and N
Determination of Polyamines as Their Benzoylated Derivatives by HPLC
condensation with primary and secondary amines (Fig. 1 ), may also react with imidazole nitrogens and phenolic hydroxyl groups. However, benzoylation results in fewer side reactions than are seen with dansyl chloride and hence extensive clean-up procedures
斑蝶科及夜蛾科昆虫的雄虫，尾端及胸部有一对毛束，打开成伞状，发散特殊的臭味。这样的毛束一般称为毛撮。斑蝶科雄虫在飞翔中与雌虫相遇时，将毛撮突出擦过雌虫的头部。雌虫感应后，便飞落地上，进行交尾。毛撮的分泌物是性外激素之一种，斑蝶科的Lycorca ceres ceres及 Danaus gilippus he-renice的鉴定结果是 2， 3-二氢化 -7-甲基 -1H吡咯烷嗪 -1-酮（ 2， 3-dihydro-7-methyl-1H-pyrrolizin-1-one）。
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