2. 您的位置
3. 首页
4. 期刊论文
5. Triphenylphosphine-catalyzed isomerization of alkynyl ketones in aqueous solution

Triphenylphosphine-catalyzed isomerization of alkynyl ketones in aqueous solution

来源 :中国化学快报（英文版） | 被引量 : 0次 | 上传用户：waterlee1999

【摘 要】

：

An efficient isomerization of alkynyl ketones to (E,E)-diene ketones was developed. The reaction catalyzed by 20 mol%triphenylphosphine in aqueous media gave th

【作 者】

：

Qing Fa Zhou Fei Yang Qing Xia 

【机 构】

：

Department of Chemistry

【出 处】

：

中国化学快报（英文版）

【发表日期】

：

2004年期

【关键词】

：

Triphenylphosphine Isomerization Alkynyl ketones Water 

【基金项目】

：

国家自然科学基金

下载到本地 , 更方便阅读

下载此文 赞助VIP

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

An efficient isomerization of alkynyl ketones to (E,E)-diene ketones was developed. The reaction catalyzed by 20 mol%triphenylphosphine in aqueous media gave the desired products in good yields.

其他文献

Calcium-binding ability of soy protein hydrolysates

This present study investigated the ability of various soy protein hydrolysates (SPHs) in binding calcium. It was demonstrated that the amount of Ca-bound depen

期刊

Soybean protein hydrolysatesProteaseCalciumBinding effect

Entanglement in Anisotropic Heisenberg XYZ Chain with Inhomogeneous Magnetic Field

The thermal entanglement of a two-qubit anisotropic Heisenberg XYZ chain under an inhomogeneous magnetic field b is studied. It is shown that when inhomogeneity

期刊

Heisenberg modelentanglementinhomogeneous magnetic field

Homopolymerization of N-pyrimidinyl acrylamide

Homopolymerization of N-pyrimidinyl acrylamide (NPA) was reported for the first time. The polymer (polyNPA) was soluble only in acidic media and fluoroalcohols,

期刊

N-pyrimidinyl acrylamideH-BondingFluoroalcoholHomopolymerizationRAFT

Palladium-catalyzed homo-coupling of boronic acids with supported reagents in supercritical carbon d

Palladium-catalyzed homo-coupling of arylboronic acids could proceed smoothly with a commercially available resin functionlised by phosphino or amino group as t

期刊

Homo-couplingPalladiumscCO2Bi-aryl

Doping Effect on the Grain Growth of Spinel LiMn2O4 Prepared by Sol-Gel Methods

The cathode-active materials, Li1+yMn2-xO4 (M = A1, Co, Ni, Zn, y = 0.02, x = 0.02) powder, were synthesized by sol-gel method using LiOH, Mn(NO3)2 as the start

期刊

grain growthsol-geldopingactivation energyLiMn2O4

Synthesis and surface activity of a novel heterodouble chained N-acyltaurate amphiphile

A novel double chained amphiphile, N-(α-4-hexylphenoxy)-lauroyltaurate (abbreviated as 10 + 6B-T), has been synthesized.The structures of main intermediate pro

期刊

Heterodouble chained surfactantTaurineCritical micelle concentrationSynthesis

Potentiometric determination of diclofenac in pharmaceutical formulation by membrane electrode based

The characteristics, performance and application of membrane electrode based on ion associate of diclofenac with base dye Safranine T are described. The electro

期刊

DiclofenacPVC membrane sensorsPotentiometryPharmaceutical analysis

Effect of spacer length on the liquid crystalline property of azobenzene-containing ABA-type tribloc

The effect of flexible spacer length on the liquid crystalline property of ABA-type triblock copolymers containing azobenzene groups was investigated. For the s

期刊

Spacer groupLiquid crystalline propertyAzobenzeneTriblock copolymerAtom tran

Synthesis of new N-alkylsulfonamide-containing phenylazopyrazolone dyes and their application to unm

Three new N-alkylsulfonamide-containing phenylazopyrazolone dyes have been synthesized by reaction of sulfonyl chloride intermediates with different saturated a

期刊

N-Alkylsulfonamide-containing dyeUnmodified polypropyleneDyeing properties

Indium-mediated allylation of aryl trichloromethyl ketones in aqueous media

It is described that indium-mediated allylation of trichloromethyl ketones could afford the corresponding homoallylic alcohols smoothly in aqueous media.

期刊

IndiumTrichloromethyl ketoneAllylationAqueous media