New Practical Synthesis of Tetrahydronquinolin-2,5-diones

来源 :高等学校化学研究:英文版 | 被引量 : 0次 | 上传用户:khsim
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
A series of 4,6,7,8-tetrahydro-2,5-(1H,3H)-quinolinediones was prepared from ethyl-2-cyanoacetate, aromatic aldehydes and 1,3-cyclohexanedione or 5,5-dimethyl-1,3-cyclohexanedione by two steps, the yields were moderate to excellent. This method is a new p
其他文献
自2009年秋季全国糖酒会上获悉,河南首家奶品安全工程技术研究中心已经落户商丘。获得该技术项目的是商丘最大的民营企业科迪集团。该集团旗下的科迪乳业,是河南重点乳品企业之
<正>A series of 2-amino-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidinyl substituted diaryl urea derivatives was designed and synthesized.Their in vitro cytotoxicitie
A soluble,poly(ethylene glycol)-supported piperazine catalyst was prepared.This soluble catalyst efficiently catalyzes the Knoevenagel condensation of various a
The kinetics of the oxidation of 1,2-butanediol or mephenesin by ditelluratocuprate(Ⅲ)(DTC) was investigated spectrophotometrically at temperatures between 283
随着网络的发展,数字图书馆将成为信息高速公路的重要组成部分,数字作品将成为作品的主要传播和使用方式.这些都对既存的版权制度及合理使用制度构成了严峻的挑战.基于数字传
Two commercial crosslinkable polyethylene insulation cable granules, designed for 110 and 35 kV voltage insulation, with similar crosslinking temperature but di
The relative permittivities(ε) for the glucose+glycine+water mixtures were measured at temperatures of 278.15 to 313.15 K. The experimental values for a comple
1 Introduction Low-dimensional nanostructures, such as nanorods, nanowires, and nanotubes, have received much attention for their superior optical, electrical,
An aqueous solution containing sodium polyacrylate(PAAS) was used in diffusive gradient in thin-films technique(DGT) to measure DGT-labile Ni2+ concentrations.T
该机主要用于收获青(黄)贮玉米、高粱、芦苇、向日葵、饲用甘蔗、饲用小麦、棉秆等各种杆状作物及牧草,作业时无须对行,可一次完成切割、强制喂入、切段(揉搓)和抛送装车等作业。该