基本解释:三苯氯甲烷
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Using triphenylchloromethane instead of triphenylmethano l and taking boron trifluoride etherate as catalyst, the protection of mer capto group can be successfully performed, whose yield is increased from 72% to 95%.采用三苯氯甲烷替代三苯甲醇 ,以 BF3· Et2 O作为催化剂保护巯基 ,产率明显提高(72 %~ 95% ) ;采用乙腈的水溶液作为反应体系 ,控制投料温度 ,活泼酯与氨基酸能顺利结合 ,产率普遍达到 85% ,节省了原料 ,并大大简化了实验操作 。W21汉语字典
The trityl methyl ether can react with hydrogen chloride and get the commercial chemical material trityl chloride with high yield.在HCl作用下完成醚键断裂,把三苯甲基甲醚转化为三苯基氯甲烷,收率95。W21汉语字典
Selective hydroxyl protected reaction of sucrose by trityl chloride and acetic anhydride was investigated.以三苯基氯甲烷和乙酸酐依次对蔗糖的8个羟基进行选择性保护,考察了反应配比、温度、溶剂对蔗糖保护过程的影响。W21汉语字典
The Relationship between T_g and Composition in Polystyrene/Triphenylmethyl Chloride Blends;聚苯乙烯/三苯基氯甲烷混合体系T_g与组成关系的研究W21汉语字典
1,1,1-trichloroethane [methyl chloroform] [C2H3Cl3]1,1,1-三氯乙烷〔甲基氯仿〕W21汉语字典
triphenylmethane triisocyanate三苯基甲烷三异氰酸酯W21汉语字典
octadecyl trimethyl ammonium chloride十八烷基三甲氯化铵W21汉语字典
SPECTROPHOTOMETRIC DETERMINATION OF Zr(Ⅳ) WITH 2,4-DICHLOROPHENYLFLUORONE-CTMAB SYSTEM2,4-二氯苯基荧光酮-溴化十六烷基三甲铵分光光度法测定微量锆W21汉语字典
Studies on the Alkylation Reaction of Chlorinated Polypropylene with Toluene;氯化聚丙烯与甲苯烷基化反应的研究W21汉语字典
Synthesis of N-(3-chlorophenyl)-1-adamantanecarboxamideN-(3-氯苯基)金刚烷甲酰胺的合成W21汉语字典
SYNTHESIS OF 1,2,4,5-TETRAMETHYLBENZENE BY ALKYLATION OF 1,2,4-TRIMETHYLBENZENE WITH METHANOL偏三甲苯甲醇烷基化制备均四甲苯的工艺研究W21汉语字典
c12-c15 alkyl benzoatec12-c15烷基苯甲酸W21汉语字典
Solution polymerized butadiene-styrene rubber modified with hexamethylcyclotrisiloxane六甲基环三硅氧烷改性溶聚丁苯橡胶W21汉语字典
Synthesis of N-(4-Chloro-3-trifluoromethylphenyl)-N′-(4-bromophenyl) ureaN-(4-氯-3-三氟甲基苯基)-N′-(4-溴苯基)脲的合成W21汉语字典
STUDY ON MICRO-DETERMINATION OF 1, 4-BIS (TRICHLOROMETHYL) BENZENE1,4-双(三氯甲基)苯的微量分析研究W21汉语字典
(F13) TrifluorochloromethaneGB/T9017-1988三氟一氯甲烷W21汉语字典
Trichloromethane for industrial useGB/T4118-1992工业三氯甲烷W21汉语字典
trichloromonofluoromethane(freon 11)三氯-氟化甲烷(氟利昂11)W21汉语字典
alkyldimethyl benzylammonium chloride烷基二甲基苄基氯化铵W21汉语字典
SYNTHESIS OF HEAVY ALKYLBENZENE CATALYZED BY COMPLEX OF ALUMINUM CHLORIDE AND ETHER三氯化铝乙醚络合物催化合成重烷基苯W21汉语字典
europium-tri-dibenzoylmethane laser铕-三、二苯酰甲烷激光器W21汉语字典
