In the first part, the basic framework of north part was synthesized by installing the functionalities stepwisely. The key transformations include: an iodine-catalyzed Baeyer-Villiger oxidation to convert Hecogenin into lactone, a [4 + 2] cycloaddition with singlet oxygen, a substrate-controlled dithiane addition and a chelation-controlled methallylation to install C22/C23 stereocenters, a acid-catalyzed SN` reaction and a Suárez iodine oxidation to construct E/F ring, and a Fétizon oxidation to oxidize C3-hydroxyl selectively.
在路线一中，采用分步引入官能团的方法实现了北片段基本螺环缩酮骨架的构建；关键转化有：碘催化的Baeyer-Villiger氧化降解蕃麻皂甙元为甾体内酯，单线态氧与甾体Δ14，16-共轭二烯的环加成反应，底物控制与螯合控制的加成反应引入C22，C23手性，酸催化SN`反应及Suárez远程氢转移反应构建E、F环，以及Fétizon试剂选择性氧化C3羟基。
Methods Starting from styrene, the target compound was prepared via cyclization, Friedel-Crafts reaction, Baeyer-Villiger rearrangement, alcoholysis and Bargellini reaction.
以廉价苯乙烯为起始原料，依次经成环、Friedel-Crafts酰化、Baeyer-Villiger重排、醇解、Bargellini反应，成功合成了环丙贝特。
A synthesis of 2-pentylidene cyclopentanone starting from cyclopentanone and n-valeraldehyde through aldol condensation, followed by dehydration, was studied, and the yield reached 85.6%. 2-Pentenyl cyclopentanone was prepared in a yield of 95.0% from 2-pentylidene cyclopentanone with a hydrogenation methodology. Through Baeyer-villiger oxidation, δ-decalactone was synthesized in a yield of 63.9% from 2-pentenyl cyclopentanone with hydrogen peroxide.
研究了以正戊醛和环戊酮为起始原料，经羟醛缩合、脱水反应合成2-戊叉环戊酮，产率达到85.6%，2-戊叉环戊酮加氢制备2-戊基环戊酮，产率为95.0%，2-戊基环戊酮在双氧水作用下经Baeyer-villiger氧化重排反应合成δ-癸内酯，反应产率为63.9%，合成δ-癸内酯的总产率为52.0%，气相色谱分析纯度为98.7%。
The possible mechanism is that dihydrocoumarin is formed firstly by Baeyer-Villiger rearrangement, then it is hydrolyzed into o-hydroxyl-phenylpropionic acid under aqueous acid condition.
可能的反应机理是：1-茚酮先经过Baeyer-Villiger反应生成二氢香豆素，后者进一步水解得到邻羟基苯丙酸。
If the small-ring cycloalkanes are under considerable strain as predicted by the Baeyer strain theory.
如果象拜耳张力学所估计的那样，小环的环烷烃具有相当大的张力。
Application of surface active agent in Baeyer red mud filtration
表面活性剂在拜耳赤泥过滤中的应用
Analysis on Contents of Aluminite Trihydrate and Baeyer Stone in Quasi-thin-water Aluminite
拟薄水铝石中三水铝石和拜尔石的含量分析
Studies on Synthesis and Catalytic Properties of Aluminum Compounds for Baeyer-Villiger Oxidation of Ketones
铝化合物催化剂的合成及对Baeyer-Villiger氧化反应催化性能研究
Baeyer-Villiger oxidation catalyzed by zirconium tetrachloride at room temperature
室温下氯化锆催化的Baeyer-Villiger氧化反应
Preparation of Magnesium Hydroxide Catalyst by Ultrasonic Treatment for Baeyer-Villiger Oxidation of Cyclohexanone
超声制备Mg（OH）2催化剂用于环己酮Baeyer-Villiger反应
As far as catalysts applications are concerned, we mainly introduced the applications of heterogeneous catalyst in Baeyer-villiger oxidation reaction.
在催化剂应用方面重点介绍了非均相催化剂在Baeyer-Villiger氧化反应中的应用。
Baeyer-Villiger oxidation is one of the essential reactions of organic chemistry.
Baeyer-Villiger反应是有机化学基本反应之一，但是催化不对称Baeyer-Villiger反应的研究尚处于起步阶段。
The key step to the synthesis of α - thioctic acid is the Baeyer-villiger oxidation.
其中Baeyer-villiger是生成R型的α-硫辛酸的关键步骤。
At present time, ε - caprolactone is produced by Baeyer-Villiger oxidation of cyclohexanone with peroxide organic acid as oxidant which is explosive and convents to byproduct-organic acid in industry.
目前，工业上主要是以过氧酸为氧化剂经环己酮Baeyer-Villiger氧化来生产ε-己内酯，存在高爆炸性和副产羧酸等缺点。
Baeyer-Villiger oxidation is a valuable method to convert ketones into the corresponding esters and lactones, which are with high value and difficulty to be synthesized by other way.
Baeyer-Villiger氧化反应因能生成一系列有价值且很难用其它方法合成的酯和内酯，因而这类氧化反应具有广泛的应用价值。
Baeyer-Villiger Oxidation of Cyclohexanone to ε - Caprolactone over Hydrotalcite-Supported Sb Catalyst
负载锑的水滑石催化环己酮Baeyer-Villiger氧化制ε-己内酯
Baeyer-Villiger oxidation is an important chemical conversion, its products and intermediates can be used to produce a lot of medicine and fine chemicals.
Baeyer-Villiger氧化反应是一种很重要的化学反应，产生的许多中间体或产物可以被用来生产多种化学产品和药物。
Catalytic Asymmetric Baeyer-Villiger Reaction by Chiral Metal Catalyst
手性金属络合物催化不对称Baeyer-Villiger反应
Baeyer - Villiger Reaction with Sodium Percarbonate in acetic anhydride
过碳酸钠-醋酸酐作用下的Baeyer-Villiger反应
The suitable surface active agent was added to decrease the liquor surface tension of Baeyer red mud slurry so as to achieve the aim of decreasing mud moisture content after the filtration.
主要针对赤泥过滤时，添加适宜的表面活性剂，使拜耳赤泥料浆中的液体表面张力下降，从而达到降低过滤后拜耳赤泥浆含水率的目的。