云南高校图书馆联盟文献共享服务平台- PARAFORMALDEHYDE

PARAFORMALDEHYDE: 作品数：10被引量：6H指数：1; 导出分析报告; 相关领域：医药卫生更多>>; 相关机构：河南师范大学河南大学更多>>; 相关期刊：《Journal of Donghua University(English Edition)》《China Chemical Reporter》《International Journal of Organic Chemistry》《Chinese Medical Sciences Journal》更多>>; 相关基金：国家自然科学基金更多>>

Supporting-electrolyte-free electrochemical[2+2+1]annulation of benzo[d]isothiazole 1,1-dioxides,N-arylglycines and paraformaldehyde: 《Chinese Chemical Letters》2024年第6期327-330,共4页Hai-Yang Song Jun Jiang Yu-Hang Song Min-Hang Zhou Chao Wu Xiang Chen Wei-Min He; financial support from Postgraduate Scientific Research Innovation Project of Hunan Province(No.CX20230949)。; The H-bond promoted electrochemical[2+2+1]annulation of benzo[d]isothiazole 1,1-dioxides,Narylglycines and paraformaldehyde for the synthesis of various benzo[d]imidazo[1,5-b]isothiazole 5,5-dioxide derivatives under ...; 关键词：H-BOND N-Arylglycines PARAFORMALDEHYDE Organic electro-synthesis Electrolyte-free

Studies and Mechanism of Olefination Reaction in Aryl-Enolates with Paraformaldehyde: 《International Journal of Organic Chemistry》2019年第1期10-22,共13页Jonathan Román Valdéz-Camacho José Domingo Rivera-Ramírez Jaime Escalante; A simple, efficient and low-cost methodology for the synthesis of α-aryl-α,β-unsaturated esters using paraformaldehyde as a source of carbon was developed. Factors that control reaction yields such as temperature, ...; 关键词：OLEFINATION PARAFORMALDEHYDE α-Aryl-α β-Unsaturated Ester α-Methylenation

A Synthesis, Process Optimization, and Mechanism Investigation for the Formation of Polyoxymethylene Dimethyl Ethers被引量：4: 《Transactions of Tianjin University》2019年第1期1-8,共8页Yang Liu Yan Wang Wangfeng Cai; Polyoxymethylene dimethyl ethers(DMM_n) are promising diesel additives. The synthesis of DMM_n from methylal(DMM) and paraformaldehyde over the NKC-9 acidic ion-exchange resin catalyst was investigated. Many unrecycla...; 关键词：POLYOXYMETHYLENE DIMETHYL ETHERS PARAFORMALDEHYDE METHYLAL Diesel additive POLYOXYMETHYLENE hemiformals

FeCl_3 catalyzed diarylmethanes formations被引量：1: 《Chinese Chemical Letters》2009年第5期511-513,共3页Zhong Xian Li Zheng Duan Yang Jie Wu; the National Natural Science Foundation of China(Nos.20772114 and 20702050);The Innovation Fund for Outstanding Scholar of Henan Province(No.0621001100)for financial support.; Under mild condition, using FeCl3 as catalyst, a series of fnnctionalized diarylmethanes were prepared efficiently from the reactions of arenes with paraformaldehyde. This catalytic system is not sensitive to air and ...; 关键词：DIARYLMETHANES PARAFORMALDEHYDE FECL3

The facile synthetic method of 5-hydroxymethyluracil: 《Chinese Chemical Letters》2009年第3期314-316,共3页Ling Qiang Kong Jin Zhao Li Fan Da Cheng Yang; One practical and industrial procedure for preparation of 5-hydroxymethyluracil has been developed. This method has the advantage of facile operation, low cost and stable yield.; 关键词：5-Hydroxymethyluracil （5-HmUra） URACIL PARAFORMALDEHYDE

Shandong Starts up Paraformaldehyde Unit: 《China Chemical Reporter》2008年第19期22-22,共4页; On June 9th,2008 Shandong Dongying Ruhai Chemical Group Co.,Ltd.conducted successful wet commissioning on the 6 000 t/a paraformal-dehyde and 1 500 t/a co-product urotropine unit with new clean and high-effect process...; 关键词：SHANDONG Hebei ALDEHYDE outstanding CLEAN TODAY

Demand for Paraformaldehyde Increases Steadily: 《China Chemical Reporter》2007年第15期18-19,共2页Cui Changchun; The two types of paraformaldehyde are the solid form and that with a low degree of polymerization. Solid variety is difficult to depolymerize and reacts poorly when used as a synthetic material, its applications have ...; 关键词：FORMALDEHYDE POLYMERIZATION familiar SOLUBILITY th

Microwave-enhanced Mannich Condensation of Terminal Alkynes, Primary Amines with Paraformaldehyde on Cuprous Iodide Doped Alumina under Solvent Free Conditions: 《Chinese Journal of Chemistry》2003年第6期710-713,共4页王磊李品华; ProjectsupportedbytheNationalNaturalScienceFoundationofChina (No .2 0 172 0 18) ;theExcellentScientistFoundationofAnhuiProvince (No .2 0 0 10 40 ) ;theNaturalScienceFoundationoftheEducationDepartmentofAnhuiProvince (No .2 0 0 2kj2 5 4ZD) ;theSci e; A microwave enhanced, solventless Mannich condensation of terminal alkynes, primary amines with paraformaldehyde on cuprous iodide doped alumina has been investigated. The structures of products depend on the ratio o...; 关键词：Mannich condensation terminal alkyne para^form^aldehyde primary amine cuprous iodide ALUMINA solvent free microwave irradiation

The Rheological Property of Cellulose Solution in PF/DMSO被引量：1: 《Journal of China Textile University(English Edition)》2000年第3期43-46,共4页何春菊王庆瑞; The rheological properties of two cellulose samples,e.g.Cotton 1 and Wood 2 were investigated,including the dependence of non-Newtonian Index,structure viscosity and zero shear viscosity on concentration and temperatu...; 关键词：CELLULOSE paraformaldehyde/dimethyl SULFOXIDE rheology.

OPTIMAL CONDITIONS FOR DETECTING 5-BROMO-DEOXYURIDINE USED AS A MARKER OF TRANSPLANTED RETINAL PIGMENT EPITHELIAL CELLS: 《Chinese Medical Sciences Journal》1998年第4期210-214,共5页叶俊杰李维业 RyanStephenJ; Objective To detemine optimal conditions by using 5 bromodeoxyuridine (BrdU) as a marker of transplanted retinal pigment epithelial (RPE) cells in the subretinal space of albino rabbits ...; 关键词：periodate lysine paraformaldehyde 5 bromodeoxyuridine retinal pigment epithelial cells transplantation

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