- 更多网络例句与三氯乙酰相关的网络例句 [注：此内容来源于网络，仅供参考]
-
Methods 4-Hydroxy- benzonitrile was treated with sodium hydrogen sulfide and anhydrous magnesium chloride in dimethyl formamide to give thioamide, which was then directly cyclized with ethyl 2-chloroacetoacetate without separation to give ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(2) in one-pot; then 2 was formylated with Duff reaction adopting hexamethylenetetramine in trifluoroacetic acid to give ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(3); finally, the target compound was obtained by the treatment of 3 with hydroxylamine hydrochloride and sodium formate in formic acid.
采用"一勺烩"方法，以4-羟基苯甲腈为起始原料，首先与硫氢化钠和无水氯化镁在N，N-二甲基甲酰胺中反应，所得中间体不经分离，直接加入2-氯乙酰乙酸乙酯进行环合反应，得到2-(4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯（2）；然后通过六亚甲基四胺/三氟乙酸进行Duff反应，得到2-(3-甲酰基-4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯（3）；再经盐酸羟胺/甲酸/甲酸钠体系脱水得到目标化合物。
-
The outlets of methane tetrachloride produced in the production facilities of chloromethane in China at present were proposed,such as conversion to diphenyl ketone ,ethylene tetrachloride,cinnamic acid,trichloroacetyl chloride,methane chloride and chloroform.
提出了目前我国氯甲烷生产装置副产的四氯化碳的出路：转化成二苯甲酮、四氯乙烯、肉桂酸、三氯乙酰氯、一氯甲烷、氯仿。
-
We expounded the N-alkylation, tricholroacetylation and bromination of pyrrole in chapter two.
第二章，论述了吡咯的N-烷基化、三氯乙酰化及溴代反应。
-
Secondly, 2-trichloroacetylpyrrole were synthesized in the diethyl ether anhydrous at room temperature.
以无水乙醚为溶剂，摩尔比为1：1的N-烷基吡咯和三氯乙酰氯，在常温下进行反应，得到2-三氯乙酰基吡咯。
-
The yield reached 67.0% The medicinal and pesticidal activities of a part of the compounds have been measured .
在进行氨基酰化时，论文克服了该类嘧啶环上4位氨基在常规条件下不与芳香类和带有强吸电子基如三氯乙酰基酰化试剂发生反应的困难，通过采用在强碱性条件下进行酰化，得以成功。
-
Two oligosaccharides, a hexasaccharide fragment of group E Streptococcus polysaccharide and a tetrasaccharide repeating unit of E. coli O7: K98: H6, consisting of α-(1→2)-and α-(1→3)-linked rhamnose backbones were synthesized in a regio-and-stereoselective manner.
以三氯乙酰亚胺酯为供体，不保护或部分保护的糖为受体，成功地合成了以α-（1→2）-和-α（1→3）-交替连接的鼠李糖为主链的GroupE Streptococcus六糖和E.coli O7：K98：H6四糖。
-
Reaction was stopped by adding 300 μl of 10% trichloroacetic acid and samples were incubated on ice for 30 min.
加入300 μl 10%的三氯乙酰酸来终止反应，然后将样品在冰中保温30分钟。
-
Methods 2-(piperazin-1-yl)-1-(pyrrolidin-1-yl)ethanone (2) was synthesized from pyrrolidine via amidation and substitution, followed by treating with chloroacetyl chloride and triphenylphosphine in a "one pot" manner to give the corresponding phosphonium chloride 3 in a stable and pure form after crystallization from isopropanol.
以四氢吡咯为原料，先与氯乙酰氯成酰胺，再与哌嗪发生取代反应制得中间体［（1-四氢吡咯基）甲基］哌嗪(2)；化合物2与氯乙酰氯和三苯基膦反应，经异丙醇重结晶得到稳定的有机鏻盐(3)；化合物3与3，4，5-三甲氧基苯甲醛发生Wittig反应，再与马来酸成盐得目标化合物马来酸桂哌齐特(1)。
-
Our method featured employing the glycosyl donor with Bz as the protectivegroups and 0.05 equiv of TMSOTf as the promoter.
即：用苯甲酰基保护的三氯乙酰亚胺酯作给体，用5％当量的TMSOTf作促进剂，在室温下反应5min至15min。
-
Our method featured employing the glycosyl donor with Bz as the protective groups and 0.05 equiv of TMSOTF as the promoter.
即：用苯甲酰基保护的三氯乙酰亚胺酯作给体，用 5%当量的 TMSOTf 作促进剂，在室温下反应 5 min 至 15 min。
- 更多网络解释与三氯乙酰相关的网络解释 [注：此内容来源于网络，仅供参考]
-
aluminum hydroxide：氢氧化铝凝胶
3-methyl-4-nitrobenzonitrile 3-甲基-4-硝基苯甲酰氯 | Aluminum Hydroxide 氢氧化铝凝胶 | Trifluoroacetic acid methyl ester 三氟乙酰化酸甲酯
-
chloral：三氯乙荃
chloral 三氯乙二醇 | chloral 三氯乙荃 | chloralamide 氯醛酰胺
-
Methyl acetoacetate：乙酰乙酸甲酯
三氯乙烯 TRICHLOROETHYLENE | 乙酰乙酸甲酯 Methyl acetoacetate | 磷酸三苯脂 Triphenyl Phosphate
-
ethyl chloroacetate：氯乙酸乙脂
特戊酰氯 trimethylaceto chloride | 氯乙酸乙脂 ethyl chloroacetate | 三氯乙酰氯 trichloroacetyl chloride
-
TCP thiocarbonyl perchloride：硫代炭酰过氯化物[防焦剂]
TCM trichloromelamine三氯三聚氰酰胺[乙丙胶硫化剂] | TCP thiocarbonyl perchloride硫代炭酰过氯化物[防焦剂] | tricresyl phosphate磷酸三甲苯酯[增塑剂]
-
trichloroacetic：三氯乙酰
trichloroacetamidophosphorustrichloride三氯乙酰亚氨基三氯化磷 | trichloroacetic三氯乙酰 | trichloroaceticacid三氯醋酸
-
triiodomethane; iodoform：三碘甲烷;碘仿
三碘乙酰氯 triiodoacetyl chloride | 三碘甲烷;碘仿 triiodomethane; iodoform | 三碘甲腺胺酸 triiodothyronine