金属β-二酮化合物用于MOCVD法生长铁电氧化物薄膜

对用于MOCVD法生长铁电氧化物薄膜的金属β－二酮化合物的制备、结构及性质进行了评述，对它们在生长铁电薄膜中的应用现状进行了介绍，并对它们的应用前景作了展望。     

Influence of Mobile Phase Composition on the Enantioseparation of Meythoxyl Flavanones with Self—prepared CDMPC Column and Chiral Recogniton Mechanism

The influence of different alcohol modifiers in mobile phase on the chiral separation of 4‘‘‘‘‘‘‘‘-methoxyl flavanone,5-methoxyl flavanone and 6-methoxyl flavanone on cellulose tris(3,5-dimethylphenylcarbamate)(CDMPC)column was studied and the chiral recognition mechanism was discussed.Using hexane-tert-butanol(1.31molL^-1) as the mobile phase,those three methoxyl flavanones were excellently separated on CDMPC chiral column.     

One-pot Synthesis of 2, 5-Disubstituted Oxazoles Using Poly[styrene（iodosodiacetate）]

2,5-Disubstituted oxazoles were prepared conveniently by treatment of aromatic α-methyl ketones and nitriles with poly[styrene(iodosodiacetate)] in one-pot process.     

Novel Chiral Ferrocenyl Aziridino Alcohol Catalysts Promoting Asymmetric Addition of Diethylzinc to Aldehydes

Optically active aziridino alcohols containing ferrocenyl groups were prepared from commercially available L-threonine in excellent yields and used as catalysts to promote the asymmetric addition of diethylzinc to aryaldehydes to afford 1-arylpropanol in up to 84% enantiomeric excesses with moderate to good yields.     

肌醇—葡萄糖—乙醇—水体系35℃时的相平衡研究

肌醇－葡萄糖－乙醇－水体系３５℃时的相平衡研究胡道道崔亚丽房喻唐宗薰（陕西师范大学化学系西安７１００６２）（西北大学化学系西安７１００６９）在肌醇生产中，肌醇粗品的纯化是影响收率的关键所在。因此探讨肌醇的纯化与分离对于肌醇的生产具有极其重要的理论和应...     

法沃尔斯基（FavorskiiAE）重排新进展

本文介绍了近年来法沃尔斯基重排反应在手性药物，立方烷系，杂环衍生物环烷小合成中的最新动态有应用前景。     

无介质微波作用下酮与稳定叶立德的反应

酮与稳定膦叶立德在家用微波炉中加热，在无任何溶剂或固体介质条件下，4．5min之内完成反应，得到了良好产率的Wittig反应产物，较之液相苯中回流反应的传统方法，此法具有时间短、操作步骤简单、无毒害等优点，同时使一些在传统方法中与稳定叶立德不反应或难反应的酮得以进行并有较好收率。此外，在得到α，β-不饱和酯的同时，还发现了少量重排产物β，γ-不饱和酯，并对其机理进行了推测与证明。     

An Improved Synthesis of Retinoic Acid from β-Ionone

A convenient and large-scale preparation of retinoic acid 1 from β-ionone in five steps with 38% overall yield is described.The key steps are the epoxidization of 2 with a new methylated agent and the condensation 4 with tetraethyl methylenediphophonate in one-pot procedure to prepare 6.     

吸附溶出伏安法测定毗喳酮的研究

本文报道了用吸附溶出伏安法测定毗喳酮.以悬汞电极为工作电极，在Na}B,O,-NaOH介质(pH=10)中，毗喳酮产生一尖锐的吸附还原峰,E，二一1. 29V (vs. SCE )，峰电流与毗喳酮浓度在2. 0 X 10-'-8. 0 X 10-smol " L-’范围内呈良好的线性关系.检测限为2. 0 X 10-0mol " L-'(富集90s).本文对毗喳酮在悬汞电极上的电化学行为进行了探讨，对测定毗喳酮的最佳条件进行了详细的选择，利用本法测定了片剂中毗喳酮含量，结果满意.