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Polyethylene oxide ( PEO ) macromers with allyl - cnd group were synthesized by two different methods ( initiating and deactivating ).
本文报道了合成烯丙基端基采氧乙烯大分子单体的两种方法 ( 引发法和封端法 ).
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There is an equilibrium distribution relationship between DIPE and isopropanol.
产物异丙醇和二异丙基醚间存在平衡分布.
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To study the influence of hydroxypropyl methyl cellulose ( HPMC ) on injectability of calcium phosphate cements ( CPC ) .
研究羟丙基甲基纤维素对 磷酸钙 骨水泥可注射性的影响.
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Propyl glycidyl ether ( PGE ) was obtained from propyl alcohol and epichlorohydrin by phase - transfer catalysis.
以环氧氯丙烷和正丙醇为原料,通过相转移催化法合成了正丙基缩水甘油醚.
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These peaks correspond to side - chain cleavage of the ethyl and propyl groups respectively.
这些峰分别相当于乙基和丙基的侧链开裂.
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N, N - Diisopropylethylamine ( DIPEA ) was prepared from diisopropylamine ( DIPA ) and diethyl sulfate ( Et _ 2 SO _ 4 ).
以二异丙胺 ( DIPA ) 、硫酸二乙酯 ( Et2SO4 ) 为原料合成N, N二异丙基乙基胺 ( DIPEA ).
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Trimethylsilyl cyclopropyl others can react with the gel the cyclopropanols when Lewis acid as ZnX 2.
环丙烷基硅醚在卤化锌的作用下能够与硅胶反应生成环丙基醇.
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Isomerization occur during bromine reaction, that is mean secondary allylic configuration changes into primary allylic configuration.
在溴化反应过程中存在分子结构重排, 即溴代仲位烯丙基构型向溴代伯位烯丙基构型发生转化.
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They were principally used to catalyze aldol, allylation, Diels - Alder, ene and Friedel - Crafts reactions.
它们主要被用来催化Aldol, 烯丙基化, Diels-Alder, Ene和 Friedel -Crafts等反应.
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The phenyl ofp n propylbenzoic acid could be reduced by sodium alkoxide.
醇钠可以还原对丙基苯甲酸中的苯环.