甲酰化

The same is carried out in the microwave, ethanol, dichloroethane, sodium carbonate, tetrabutylammonium iodide ammonium dissolved in dimethylformamide, then access to carbon dioxide.

同样是在微波炉中进行，把乙醇，氯乙烷，碳酸钠，四丁基碘化铵溶解在二甲基甲酰胺中，再通入二氧化碳。

O-(1-Arylseleno-3-azido)isopropyl-O-2-(N3-tegafur)alkyl thiophosphate (3a～3f) were obtained via nu-cleophilic ring-opening of sodium azide to 2a～2f in dry DMF at room temperature, and their antitumor activities were tested.

以无水N，N-二甲基甲酰胺作溶剂，室温下，叠氮化钠中对2a～2f进行亲核开环，得到O-(1-芳硒基-3-叠氮基)异丙基-O-2-(N3-替加氟)乙基硫代磷酯。

Compound 9 is glycosylated in the presence of TMSOTf with rhamose-derived trichloroacetimidates to provide target trisaccharide Saponin 1, oleanolic acid 3-yl-2,4-di-O-a-L-rhamnopyranosyl -p-D-glucopyranosideCoumpond 18 is prepared with oleanic acid and Bromide 11 through phase-thansfer catalysis glycosylation manner.

三糖皂苷Saponin 1是以葡萄糖齐墩果酸皂苷为起始原料，用BBTZ(1-苯甲酰苯并噻唑)选择性保护葡萄糖3′，6′-羟基得到化合物9，然后以化合物9为糖基受体，进行一步糖苷化可以在化合物9的2′，4′-羟基上同时引入两分子鼠李糖，最后脱掉所有的保护基得到目标化合物Saponin1。

Last, we studied the allylation of benzoylhydrazones with allyltrichlorosilane.

在研究过程中，发现了一个C=N双键烯丙基化的新方法，和苯甲酰肼的新的合成方法。

Amination reaction was carried out at temperature of 90℃ to 150℃ for 2h to 10h and then ashless dispersant of polyisobutylene succinimide would be obtained after dehydration with the operations of vacuum distillation and filtration.

结果发现，实验在N_2保护下进行，BPO／PIB质量比为0.035，MA／PIB摩尔比为1.3，反应温度为150℃，反应时间为12h，搅拌速率为250rpm，引发剂过氧化苯甲酰以丁酮为溶剂分六次，时间间隔为30分钟，均量地加入反应器时，烃化反应物聚异丁烯的转化率最高。

The liquid-phase hydrogenation is performed by controlling the concentration of a benzamide compound to a specific level or lower.

通过控制苯甲酰胺化合物的浓度至特定水平或更低，进行液相氢化作用。

Mol/L. 3 A study on the ECL of acridinum esters including 10--acridinium-9-carboxyl-phenyl-ester iodinate and 10-methyl-9-(p-formylphenyl)-acrdiniumfluorosulphonate in neutral solution was carried out. It was found both CACPEI and MFPA give strong ECL in KNO〓 solution when an appropriate voltage was applied on Pt electrode.

本文研究了碘化10-乙羧基吖啶-9-羧酸苯酯和对甲酰基苯基-10-甲基吖啶-9-羧酸酯氟磺酸盐的ECL行为，发现在中性KNO〓介质中，这两种吖啶酯都能在一定的电位下产生很强的ECL信号，考察了各种影响因素，确定了发光的最佳条件，探讨了可能的发光机理。

The reaction of inulin with octadecyl isocyanates resulted in carbamoylated inulins from which the interfacial properties were determined.

菊糖与十八烷基异氰酸酯在有机溶剂中发生甲氨酰化反应，生成的氨甲基菊糖具有表面活性。

The antiarrhythmic drug ibutilide fumarate was synthesized from aniline by methylsulfonylation, Friedel Crafts reaction, condensation, reduction and salification with an overall yield of 44%.

以苯胺为起始原料，经甲磺酰化、傅克反应、缩合、还原和成盐反应等 5步合成了抗心律失常药富马酸伊布利特，总收率 4 4 %。

Glycosidic bond of chitin could be cut off selectively in the degradation of chitin and soluble chitin of part deacetylation could be obtained.

甲壳质的酶法降解，可选择性地切断甲壳质的β-1，4-糖苷键，可得到部分脱乙酰化的可溶性甲壳质。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。