solvent-free相关论文
Ultrasound-assisted tandem synthesis of tri- and tetra-substituted pyrrole-2-carbonitriles from alke
An energy-saving and eco-friendly method for the efficient construction of various tri- and tetra-substituted pyrrolecar......
Sustainable method towards magnetic ordered mesoporous polymers for efficient Methylene Blue removal
The difficulty in achieving high removal efficiency for contaminants in textile wastewater over a wide range of pH imped......
A new convenient and environmentally benign procedure for synthesis of azines from hydrazine sulfate with several aromat......
采用预聚体法合成无溶剂水性聚氨酯。探讨了扩链剂的添加顺序，nNCO／nOH比例、二羟甲基丙酸（DMP））含量等因素对水性聚氨酯乳液性能的影响......
介绍了无溶剂环氧耐潮湿涂料性能的检测方法及其在实际工程应用中的优势。“,” The test methods and advantages of solvent-fr......
在无溶剂,聚苯乙烯负载酸性离子液体(P[Vim-PS][HSO4])为催化剂的条件下,利用苯酚和丁醇酮在酸性条件下进行Friedel-Crafts反应合......
Solvent-free selective hydrogenation of o-chloronitrobenzene to o-chloroaniline over alumina support
A supported Pt/Al2O3 catalyst was prepared by immobilizing preformed colloidal Pt nanoparticles on Al2O3. The particle s......
A Facile Procedure for Conjugate Addition of Amines to Electron Deficient Alkenes with Metal Oxide a
本文通过对荣华二采区10...
Silica supported sodium hydrogen sulfate(NaHSO4/SiO2): A mild and efficient reusable catalyst for th
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
An expeditious and one-pot synthesis of unsymmetrical 2,5-disubstituted-1,3,4-oxadiazoles under micr
A one-pot synthesis of some unsymmetrical 2,5-disubstituted-1,3,4-oxadiazoles via cyclocondensation of benzoylhydrazines......
Regioselective ring opening of epoxides using NH4SCN/silica sulfuric acid: An efficient approach for
Silica sulfuric acid was developed as a stable and efficient heterogeneous catalyst in organic synthesis.This solid acid......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Solvent-free and catalyst-free method for the synthesis of 2,4,5-triarylimidazoles under microwave i
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Activated methylene compound such as dimethyl malonate reacted readily with benzylic alcohols in the presence of ferric ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Ferric hydrogensulfate catalyzed aerobic oxidative coupling of 2-naphthols in water or under solvent
The symmetric oxidative coupling reactions of 2-naphthol derivatives with both ferric hydrogensulfate in water and silic......
Highly efficient synthesis of β-amino esters via Mannich-type reaction under solvent-free conditions
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
One-pot synthesis of tri-and tetra-substituted imidazoles using sodium dihydrogen phosphate under so
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Microwave promoted rapid dehydration of aldoximes to nitrites using melamine-formaldehyde resin supp
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
PPA-SiO2 catalyzed efficient synthesis of polyhydroquinoline derivatives through Hantzsch multicompo
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Nanomaterials are considered as suitable heterogeneous catalysts for many organic reactions.Herein nano-tube TiO_2 has b......
Efficient regeneration of aldehydes from their corresponding 1,3-oxathiolanes in the absence of solv
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
VO(acac)2 catalyzed condensation of o-phenylenediamine with aromatic carboxylic acids/aldehydes unde
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The preparation of terephthalic acid by solvent-free oxidation of p-xylene with air over T(p-Cl)PPMn
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Zinc oxide nanoparticles: A highly efficient and readily recyclable catalyst for the synthesis of xa
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
...
Different alcohols were formylated by formic acid under solvent-free conditions in the presence of iodine as the catalys......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Silica-bonded S-sulfonic acid(SBSSA) was prepared by the reaction of 3-mercaptopropylsilica(MPS) and chlorosulfonic acid......
One-pot synthesis of tri-and tetra-substituted imidazoles using sodium dihydrogen phosphate under so
Sodium dihydrogen phosphate (NaH2PO4) efficiently catalyzes the condensation reaction of benzil,aldehydes,amines and amm......
以活性炭固载硫酸(acsa)为催化剂,在无溶剂条件下催化酮和芳香醛的Cross-Aldol反应,成功合成了16个相应的α,β不饱和缩合产物,反......
Different alcohols were formylated by formic acid under solvent-free conditions in the presence of iodine as the catalys......
Solvent-free and catalyst-free method for the synthesis of 2,4,5-triarylimidazoles under microwave i
A facile procedure for the synthesis of 2,4,5-triarylimidazoles is being reported starting from benzil, aromatic aldehyd......
Microwave promoted rapid dehydration of aldoximes to nitrites using melamine-formaldehyde resin supp
A simple and convenient procedure for the synthesis of nitriles by dehydration of aldoxime using supported sulphuric aci......
Silica supported sodium hydrogen sulfate(NaHSO4/SiO2): A mild and efficient reusable catalyst for th
A simple and efficient procedure for the preparation of aryl-14-H-dibenzo[a,j]xanthenes by a one-pot condensation reacti......
Regioselective ring opening of epoxides using NH4SCN/silica sulfuric acid: An efficient approach for
Silica sulfuric acid was developed as a stable and efficient heterogeneous catalyst in organic synthesis. This solid aci......
An expeditious and one-pot synthesis of unsymmetrical 2,5-disubstituted-1,3,4-oxadiazoles under micr
A one-pot synthesis of some unsymmetrical 2,5-disubstituted-1,3,4-oxadiazoles via cyclocondensation of benzoylhydrazines......
A convenient and effective Paal-Knorr condensations of 2,5-hexanedione with most amines have been carried out at room te......
A rapid and eco-friendly one-pot protocol for the synthesis of nitriles has been developed by treating various araldehyd......
A series of novel Michael addition products of fluorene to chalcone were obtained in the presence of sodium hydroxide un......
The preparation of terephthalic acid by solvent-free oxidation of p-xylene with air over T(p-Cl)PPMn
An attempt has been made to prepare terephthalic acid (TPA) by solvent-free oxidation of p-xylene (PX) with air over tet......
VO(acac)2 catalyzed condensation of o-phenylenediamine with aromatic carboxylic acids/aldehydes unde
Vanadyl acetylacetonate, VO(acac)2, has been found to be very effective catalyst for synthesis of a variety of benzimida......
Efficient regeneration of aldehydes from their corresponding 1,3-oxathiolanes in the absence of solv
A mild and efficient method for the oxidative deprotection of 1,3-oxathiolanes with Fe(NO3)3·9H2O and Cu(NO3)2·3H2O in......
PPA-SiO2 catalyzed efficient synthesis of polyhydroquinoline derivatives through Hantzsch multicompo
Silica gel-supported polyphosphoric acid (PPA-SiO2) was found to be an efficient catalyst for the one-pot four-component......
A simple synthesis of 1,2,3,5-tetrasubstituted pyrrole derivatives from the reaction of enaminone with α-haloketones, u......
An efficient synthesis of hexahydropyrido[2,3-d]pyrimidinetrione derivatives is achieved via tandem Knoevenagel-Michael ......
以4-乙酰氧基苯甲酸甲酯为原料,经无溶剂的Fries重排法合成了3-乙酰基-4-羟基苯甲酸,并对其结构进行了表征。采用L9(34)正交实验,......
通过双组分浇注工艺制备出一系列的无溶剂聚氨酯合成革,探讨了异氰酸酯组分（B组分）-NCO质量分数、异氰酸酯指数（r值）、软段类型及有机......
