• 加入不同量的1,3,5 -三甲基苯(TMB)辅助调整膜的孔径

    Different pore size were adjusted by adding 1, 3, 5-trimethylbenzene (TMB) as assistant agent.

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  • 十六烷基三甲基溴化(CTAB)表面活性剂,以1,3,5 -三甲基苯(TMB)为辅助剂合成出了不同孔径MCM - 41介孔分子筛

    The molecular sieve MCM-41 with different pore diameters is synthesized with Cetyltrimethylammonium bromide (CTAB) as the liquid crystal template and 1, 3, 5-trimethylbenzene (TMB) as assistant agent.

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  • 甲酚原料经溴化、水解氧基化甲基4反应合成药物中间体3,4,5-甲氧基甲醛,收率53

    The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.

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  • 报道以烷基磺酸甲酯催化异构亚磷酸甲酯合成甲基甲酯。

    The synthesizing of dimethyl methyl phosphonic acid ester with trimethyl phosphite was catalyzed by methyl alkylbenzenesulfonate.

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  • 过氧化氧化剂十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化甲醛甲酸

    Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.

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  • 过氧化氧化剂十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化甲醛甲酸

    Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.

    youdao

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