Study on Synthesis, Structure and Reaction ofa New Compound 2, 3 - Methylene - 5, 8 - Dimethoxy Naphthalene.
新化合物2,3—亚甲基—5,8—二甲氧基萘的合成、结构及反应的研究。
With cyclohexyl methyl dimethoxy silane(CHMMS) as external donor, isotacticity of polymer turned to be more adjustable.
结果表明,使用环己基- 甲基-二甲氧基硅烷,聚合物的等规度可调性好;
The five quinazoline compounds were prepared by using 2 amino 4,5 dimethoxy benzoic acid as original material, which underwent ring closing, halogenation and substitution.
方法:以2 氨基4 ,5 二甲氧基苯甲酸为原料,分别经过环化、氯代、取代等反应,合成了五种目标化合物。
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