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简介：1－Ethoxycarbonylalkyldiphenylpolystyrylphosphoniumtriflatescanbeeasilypreparedbyquaternizingdiphenylpolystyrylphosphinewithethyl2-trifloxyalkanoates;basetreatmentofthesepolymer-supportedphosphoniumtriflatesaffords1-ethoxycarbonylalkylidenephosphoraneswhicharestableandundergosatisfactoryWittigreactions.

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简介：PolymericGrignardReagent(PGR)basedonthechloromethylatedpoly(ST-co-DVB)resinhasbeenpreparedbymeansofanthracene-magnesiumcomplexinTHF(Anth-Mg-THF),andpolymermatrixwithlongpolymethylenespacerwassynthesizedviathecouplingreactionbetweenPGRandα,ω-dibromoalkanes.Basedonthestudiesoffactorsaffectingthecoupling,suchascatalyst,reactiontime,thelengthofspaceretc.,thispaperofferstheoptimalreactionconditionsandthreetypicalexperimentprocedures.ThemechanismfortheformationandcouplingreactionofPGRarealsodiscussed.

简介：Anovelbeadfromofploymerofhighsorptioncapacityforureawereobtainedbythereactionofglutaricdialdehydewithchitosandispersedinaceticacidsolution.Thesorptioncapacityreached-82.0mg/gsorbentat37℃andpH7.4Theconcentrationofureainthebuffersolutionwas1300mg/l.Thesorptionofureawasrelatedtothedegreeofcrosslinkingofthesorbent,concentrationofurea,ionicstrengthandtemperature.

简介：新奇结合的聚合物，poly(1)，在主要的链包含thiourea一半经由联合反应的铃木被综合。亚铜的离子的增加熄灭荧光(1)而荧光在另外的金属离子的增加之上稍微变化，poly展出荧光灯向Cu+察觉到能力的几乎转弯。当氢过氧化物被加到poly包含的答案(1)和Cu+,Cu时，+被氧化进导致荧光恢复的Cu2+,。H2葡萄糖oxidase(上帝)免除葡萄糖氧化的O2也恢复了荧光poly(1)/Cu+答案。结果显示(1)poly，/Cu+答案能为氢过氧化物和葡萄糖用作一个察觉到的平台。

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