This radical attacks the carbonyl group to an intermediate bicyclic ketyl.
烷基自由基对羰基进行进攻，生成双环的羰自由基中间体。
Aim: To synthesize carboxylate derivatives of caged bicyclic phosphate.
目的：合成笼状双环磷酸酯的羧酸酯衍生物。
Aim: To synthesize pentanoate and hexanoate of caged bicyclic phosphate.
目的：合成笼状双环磷酸酯的戊酸酯及己酸酯衍生物。
Bicyclic heterocycles, pharmaceutical compositions containing these compounds, and processes for preparing them.
二环杂环，含这些化合物的药物组合物，及其制备方法。
Bicyclic heterocycles, medicaments containing said compounds, use thereof, and method for the production thereof.
双环杂环类，含所述化合物的药物制剂，其用途及制备方法。
Presented in Chapter 2 are the experimental details on synthesis of the bicyclic heterocycles bearing an N-O bond.
本论文有关合成含n - O键双环杂环化合物的实验结果收录在第二章。
It was introduced that the progress in the synthesis macro bicyclic cage like complexes of distinguished type of transition metal ion.
介绍了不同类型的过渡金属离子的大二环笼状配合物合成方法的研究进展。
Pyridonecarboxylic acid derivative substituted by bicyclic amino group, ester thereof, salt thereof, and bicyclic amine as intermediate thereof.
有双环氨基取代的吡啶酮羧酸衍生物，其酯及盐，以及可用作其中间体的双环类胺。
Bicyclic fused aziridines can generate regioselective ring opening reaction with various alcohols, catalyzed by slight concentrated sulfuric acid.
用醇作溶剂、微量的浓硫酸作催化剂，稠合双环氮杂环丙烷衍生物可发生区域选择性氮杂环开环反应。
In this paper, inverse degree of unicyclic graphs and bicyclic graphs is discussed, and the extremal graphs that reach the upper and lower bounds are given.
研究了单圈图、双圈图的反比度，给出了它们的上下界并得到达到最大最小值的极图，还进一步给出多圈图的上下界的一个猜想。
Methods:Chloroform being solvent, under bath heat, 4 hydroxymethyl caged bicyclic phosphate acylated with pentanoyl chloride and hexanoyl chloride dividedly.
方法：用氯仿作溶剂，在浴温条件下，4羟甲基笼状双环磷酸酯分别与戊酰氯、己酰氯发生酰化反应。
Moreover, the substituents on the bicyclic chromophore can also produce strong van der Waals and hydrophobic interactions with the residues located at the exterior part of the binding pocket.
同时，抑制剂双环上的取代基团也能和活性口袋外部的部分残基形成一定的范德华和疏水相互作用。
Moreover, the substituents on the bicyclic chromophore can also produce strong van der Waals and hydrophobic interactions with the residues located at the exterior part of the binding pocket.
同时，抑制剂双环上的取代基团也能和活性口袋外部的部分残基形成一定的范德华和疏水相互作用。
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