离子热法合成分子筛的研究进展

离子热法是以离子液体或低共熔混合物为介质的一种新型的分子筛合成方法, 它提供了一种离子态的独特合成环境, 为合成新型分子筛及研究分子筛的生成机理提供了机会. 本文综述了离子热法在分子筛合成方面取得的一些进展, 包括合成方法的创新、合成机理的研究、新材料的合成以及新型催化剂的制备等, 并展望了其发展前景.     

钐试剂在有机合成中的应用

钐试剂在有机合成中的应用是近年来有机合成方法学研究中的热点之一。综述了十余年来本课题组在钐试剂应用于有机合成方面所开展的有关工作：(1)二碘化钐作为偶联剂和还原剂在有机合成中的应用;(2)金属钐直接应用于有机合成;(3)三碘化钐作为路易斯酸应用于有机合成;(4)有机钐试剂在有机合成中的应用。     

Wallichanol类天然产物ABC环系合成研究

Wallichanol是一类具有独特桥环结构的二萜天然产物.以2-甲基-1,3-环己二酮作为起始原料,通过高立体选择性的Diels-Alder反应和金催化的炔烃碳环化反应构建Wallichanol的ABC三环核心骨架,共七步路线,总收率为42%.该合成工作为Wallichanol类天然产物全合成奠定了研究基础.     

Synthesis of eudistomin C and E: improved preparation of the indole unit

An improved synthesis of the indole unit, a key intermediate for eudistomin C, was established utilizing Makosza's indole synthesis. A concise total synthesis of eudistomin E was achieved on the basis of the improved synthesis.     

稀土发光材料的合成方法

简要介绍了合成稀土发光材料的6种方法,包括水热合成法、溶胶-凝胶法、微波辐射法、燃烧合成法以及共沉淀法。参考文献31篇。     

SAPO分子筛的合成及影响因素的研究进展

本文综述了SAPO分子筛的主要合成方法,包括水热合成法、气相晶化法、液相晶化法、微波合成法、变温陈化法、超声合成法、程序升温法等方法.讨论了反应物的组成、模板剂、酸碱度、介质、晶化温度、晶化时间等因素对SAPO分子筛合成的影响.最后对SAPO分子筛合成方法进行了展望.     

无机纳米材料的光化学合成

无机纳米材料的合成是纳米科学发展的前提和基础之一。区别于传统的高温湿化学合成法,光化学方法在无机纳米材料的合成中表现出许多优点,并在近年来受到了广泛关注。本文分三个部分综述了近年来光化学方法在无机纳米材料合成中的应用,具体包括贵金属纳米材料的光化学合成与负载,半导体纳米材料的光化学合成以及表面等离子体共振诱导的各向异性金属纳米晶合成。最后,在总结光化学方法在无机纳米材料合成中体现出的优势及目前研究仍存在不足的基础上,我们对其未来可能的发展方向进行了展望。     

Epibatidine的全合成研究进展

概述了Ｅｐｉｂａｔｉｄｉｎｅ全合成研究的进展,全文分四部分：（１）Ｅｐｉｂａｔｉｄｉｎｅ的发现和结构的确定。（２）Ｅｐｉｂａｔｉｄｉｎｅ的全合成研究;（３）氮杂双环的合成,（４）Ｅｐｉｂａｔｉｄｉｎｅ的全合成研究进展,参考文献３４篇。     

糖肽合成的新进展

本文综述了近年来在糖肽合成方面的研究进展, 主要包括三氯乙酰亚胺酯法, 缩水内醚糖法, 酶合成法, 固相合成法及酶与固相结合法。分析了不同的离去基团和不同的保护基策略对糖肽合成的影响。     

Total synthesis of ionomycin using ring-opening strategies

[structure: see text] The total synthesis of the polyether antibiotic ionomycin, a calcium ionophore, is described. The synthesis demonstrates the utility of ring-opening methodologies as applied to the synthesis of polypropionate and deoxypolypropionate subunits, which are found in two of the four fragments in the synthesis.     

酰基膦酸酯的合成及其在有机合成中的应用研究进展

酰基膦酸酯是一类活泼的有机合成中间体。本文归纳介绍了此类化合物的合成方法以及其近年来在有机合成中的应用。     

A short enantioselective synthesis of (+)-eleutherin, (+)-allo-eleutherin and a formal synthesis of (+)-nocardione B

A short enantioselective synthesis of (+)-eleutherin, (+)-allo-eleutherin and the formal synthesis of (+)-nocardione B is described. The synthesis is completed in six steps in overall yields of 8% for eleutherin and 14% for allo-eleutherin. The synthetic strategy features an efficient combination of the Dötz annulation reaction with a chiral alkyne and an oxa-Pictet Spengler reaction as the keys steps in the stereodivergent synthesis of (+)-eleutherin and (+)-allo-eleutherin. The synthesis of (S)-(+)-2-(2′-hydroxypropyl)-5-methoxy-1,4-naphthoquinone entails the formal synthesis of (+)-nocardione B.     

High pressure synthesis of polyimides and related polymers

This paper reviews our current studies on the high pressure synthesis of polyimides and related condensation polymers. After a brief introduction of the solid-state thermal synthesis of polyimides starting from nylon-salt-type monomers, the paper deals with the high pressure synthesis of polyimides, the preparation of polyimide-silica hybrid materials by the combination of the above synthetic method for polyimides and the sol-gel reaction for silica synthesis, and the high pressure synthesis of polybenzoxazoles and addition-type polyaminoimide.     

离子液体载催化剂和载试剂在有机合成中的应用

综述了离子液体载催化剂和载试剂在有机合成中的应用进展. 离子液体载催化剂是针对离子液体中催化剂难以回收利用的问题提出来的, 它不仅可以实现均相催化, 而且反应产物容易分离, 催化剂可以循环使用. 离子液体载有机试剂合成, 又称为离子液体相有机合成, 具有固相反应产物纯度高和液相反应反应快的优点. 在离子液体载无机试剂的反应中, 反应物毒性降低, 反应条件温和, 产物选择性好.     

Catalytic Synthesis of Some Sulfur-containing Heterocyclic Compounds. (Review)

Researches on the synthesis of sulfur-containing heterocyclic compounds at the G. K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, are reviewed. They include the synthesis of thiolane by the recyclization of THF in hydrogen sulfide; the synthesis thiacycloalkanes by the hydrogenation of thiophenes; the synthesis of 4-methylthiazole by the reaction of SO₂ with methylisopropylideneamine; the synthesis of thiophenes by the heterocyclization of aliphatic compounds of sulfur and dehydrogenation of thiacycloalkanes; the synthesis of thiolane 1,1-dioxide by the hydrogenation of 2- and 3-thiolene 1,1-dioxides and 3-alkoxythiolane 1,1-dioxides; the synthesis of sulfoxides by the oxidation of thiacycloalkanes with atmospheric oxygen.     

Microwave synthesis of zeolite membranes: A review

Significant progress has been achieved in the last years on microwave synthesis of zeolite membranes. In many cases, microwave synthesis has proven to remarkably reduce the synthesis time. In addition, microwave synthesis could also result in different membrane morphology, orientation, composition, and thus the different permeation characteristics as compared with those synthesized by conventional heating. This review attempts to summarize the obtained progress in microwave synthesis of zeolite membranes. Some topics are discussed, including: (1) case study of microwave synthesis of zeolite membranes, e.g. LTA, MFI, AFI, and other types of zeolite membranes; (2) differences between conventional and microwave synthesis; (3) formation mechanism and the so called “specific microwave effect” in the case of microwave synthesis of zeolite membranes; (4) scaling-up of zeolite membrane production by employing microwave heating. The latter three topics are mainly focused on LTA type zeolite membranes. Concluding remarks and future perspective are also suggested in the end.     

含钨化合物催化合成己二酸研究进展

己二酸是工业上具有重要应用的二元羧酸,其合成方法的研究受到了广泛的关注.其传统的合成方法对环境造成了极大的破坏.利用含钨化合物作为催化剂催化合成己二酸是一种绿色环保的新方法,引起了人们的重视.作者介绍了近年来含钨化合物催化合成己二酸的研究进展,分析比较了不同催化剂体系的研究情况,展望了今后己二酸合成的发展前景.     

Applications of palladium dibenzylideneacetone as catalyst in the synthesis of five-membered N-heterocycles

A wide variety of biological activities are possessed by N, O, and S containing heterocycles and recently many reports appeared for the synthesis of these heterocycles. The synthesis of heterocycles with the help of metal became highly rewarding and important method in organic synthesis. This review article concentrated on the synthesis of nitrogen containing five-membered heterocylces in the presence of palladium dibenzylideneacetone as a catalyst.     

糖缀合物的化学合成

本文介绍近年来各种糖缀合物化学合成的研究进展,包括各种糖苷键的化学合成方法以及各种特殊复杂糖缀合物,如糖肽、糖蛋白、糖脂的化学合成策略。     

Synthesis of conformationally constrained lysine analogues

The synthesis of two conformationally constrained lysine analogues is reported. The synthesis of the novel analogue 1 based on the 3-aza-bicyclo[3.1.0]hexane system is accomplished from the known tricycle 3 in eight steps. The synthesis of the analogue 2 is accomplished in eight steps from 4-hydroxy proline. Both analogues are synthesized appropriately protected for Fmoc/Boc solid-phase peptide synthesis.