1) ditolylmethane
二甲苯基甲烷
2) dixylyl methane
二(二甲苯基)甲烷
1.
The catalyst concentrated sulfonic acid xylenesulfonic acid, one of the compared nine catalysts, possesses high catalysis for the synthesis of dixylyl methane.
即在原料配比ｎ（二甲苯）∶ｎ（甲醛）＝８∶１，浓硫酸质量分数１００２５％，反应温度１２０～１４０℃和时间２３３ｈ的条件下，二（二甲苯基）甲烷收率可达７７３％。
3) diphenylmethane
[,dai,fenil'meθein]
二苯基甲烷
1.
Study on the Synthesis of Diphenylmethane over Immobilized AlCl_3 Catalysts;
固载化AlCl_3催化合成二苯基甲烷
2.
Blanc chloromethylation reaction of aryl compounds with chloromethyl methyl ether for preparation of diphenylmethane derivatives was carried out in chloroaluminate ionic liquids prepared from AlCl_3 and 1-alkylpyridinium or 1-methyl-3-alkylimidazolium halide quaternary ammonium salts.
结果表明底物的不同对反应有较大影响,苯与氯甲醚反应主要生成氯甲基化产物,而烷基苯与氯甲醚反应则主要生成二苯基甲烷衍生物。
4) diphenylmethane group
二苯甲烷基
5) dibenzoylmethane
二苯甲酰基甲烷
1.
The industrialization design and production of dibenzoylmethane;
二苯甲酰基甲烷的工业化设计及生产
2.
Catalyst were complexed with dibenzoylmethane (DBM) to study catalytic activity.
通过催化剂与二苯甲酰基甲烷(DBM)配位情况对催化剂的性能表征。
3.
The dibenzoylmethane (DBM) is synthesized in one step by reacting acetophenone with methylbenzoate at 135～140℃ for 5h by using xylene as solvent, sodium methoxide as catalyst.
然后经 30 %硫酸酸洗、1 0 %Na2 CO3 溶液碱洗、水洗等后处理操作 ,一步合成了产物二苯甲酰基甲烷。
6) 4,4'-ditolylmethane
4,4′-二甲苯基甲烷
补充资料：二甲苯基甲烷
分子式：
分子量：
CAS号：
性质：无色晶体。密度0.98001。熔点28℃。沸点285.5-286.5℃。商品含有杂质。可用作高温载热体。由甲苯和甲醛在硫酸存在下缩合而制得。
分子量：
CAS号：
性质：无色晶体。密度0.98001。熔点28℃。沸点285.5-286.5℃。商品含有杂质。可用作高温载热体。由甲苯和甲醛在硫酸存在下缩合而制得。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条