-methyl pyridine的意思|示意

In the picoline pyrolysis experiment, the methyl disengages from aromatic ring to form methane firstly, then the following reaction of the aromatic ring is similar to pyridine.

甲基吡啶的热稳定性比吡啶差，热解时甲基首先脱离芳香环进入气相，随后芳香环的反应途径和吡啶类似；

N-Methyl-N-vinylacetamide was synthesized from N-methylacetamide and vinyl acetate with N, N-dimethylamino pyridine (DMAP) as catalyst.

以N-甲基乙酰胺、醋酸乙烯酯为原料，N，N-二甲氨基吡啶（DMAP）为催化剂，合成N-甲基-N-乙烯基乙酰胺。

The invention discloses a 2-ammonia methyl-pyridine nickel composition, a preparation method and the application thereof.

本发明公开了一种2 -氨甲基吡啶镍配合物及其制备方法和应用。

A method was established for determining two intermediates in synthesis of imidacloprid, 2 chloro 5 methyl pyridine and 2 chloro 5 chloromethyl pyridine by HPLC.

建立了用高效液相色谱法同时测定农药吡虫啉中间体2 -氯- 5 -甲基吡啶和2 -氯- 5 -氯甲基吡啶含量的方法。

The quantitative relationships between the catalytic ability of Rh-complex of 2-vinyl pyridine-methyl methacrylate copolymer and the sequence structures of the copolymer ligands have been determined.

本工作定量测定了2-乙烯基吡啶-甲基丙烯酸甲酯-铑络合物的烯烃催化加氢性能与共聚物配体序列结构的关系。

In a certain condition, the corrosion inhibition properties of 2-methyl-pyridine 4-methyl-pyridine pyridine and 3-methyl-pyridine goes up respectively.

在一定的条件下，在盐酸和氯化铵溶液中，2-甲基吡啶、4-甲基吡啶、吡啶和3-甲基吡啶的缓蚀效率依次升高。