共查询到20条相似文献,搜索用时 15 毫秒
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《中国化学快报》1995,(10)
STUDIESONTHESYNTHESISOFSESAMIN-GROUPLIGNANSV.ACONVENIENTMETHODFORTHEPREPARATIONOF2-ARYL-4-PHENYLOXAZOLES¥Correspondentauthor.2-aryl-4-phenyloxazoles.Theotherollebythereactionofa-methylphenacylbenzoatewithammoniumacetateinboilingaceticacidtoformafutureof2,4-diphenyl-5methyloxazoleand2,4-diphenyl-5-rnethylinddazolebothinabout40%yield,hilttillsmethodisapplicableforthepreparationof2-aryl-4-phenyloxazoles.Byanalogy,plienacylbenzoateisalloallowedtoreactwithalnmonillmacetateinboilingaceticacid.Amixtureof2,4-diph 相似文献
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CrystalandMolecularStructureof5,6,7,8,9,10-Hexahydro-3-(4-methylphenylamino)-2-thioxoquinoxalineSunDa-Qing;LangJian-Ping;LuZh... 相似文献
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SynthesisandCrystalStructureofPyridine-2,6-dicarboxylateVanadiumComplex:[(Pyridine-2,6-dicarboxylate)VO_2]_2[4,4'-bipyridine]·... 相似文献
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CrystalStructureof1,6:3,4-Dianhydro-β-D-galactopyranose-2-O-p-tolylsulfonate(C_13H_14O_6S)WangAn-Lai;LuShi-Jie;FuHong-Xiang;Wa?.. 相似文献
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CrystalStructuresofN,N'-Bis(4-chlorophenyl)-1,10-diaza-18-crown-6andItsComplexwithBa(SCN)_2¥ZhangLi-Juan;LiuXiao-Lan;MaShi-Ku?.. 相似文献
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SynthesisandCrystalStructureof△~6-4-Amino-5,6-diphenyl-5-hydroxy-1,2,4-triaza-cyclohexene-3-thione-monohydrate¥LinZhen-Guang;?.. 相似文献
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CrystalStructureof3-Methyl-9-(O,O-Diethylphosphoryl)Methyl-1,6,12-Trioxa-9-Aza-5-Germaspiro[4,7]Dodecan-2-One¥ChenRu-yu;LiuLu... 相似文献
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《中国化学快报》1996,(1)
ThisinveshgationwassupportedbyTheNationalNaturalScienceFoundationofCllilla.geniusweret ̄ParentinUV,sothe2,4-etsand2,4tranS-isomerswereregardedasasingleconstituent(amixtUreof2-epimers)inanearlierreport.WesuccessfullyseattedisoaunonareticindiacetatestOtWoiSOmers,2,4ets-and2,4 ̄-isoannonareticindiacetatesbypreparativeTLCfromA.reticubo.OneOfthePair,2,4-ets-isoannonareticin,isanewnaturalproductandanother,2,4-tranS-isoannonarehcinisaknownbullatacinone.3ComPOundIwasobtainedcrystalline,mp.72-73"C.TheFAB-MSgavethePea 相似文献
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合成了吡啶-2,6-二甲酸镧钇异核配合物晶体。元素分析结果表明,化学式为LaY(HDPA)_2·(DPA)_2.12H_2O,DPA为吡啶-2,6-二甲酸根。用X射线衍射法测定了配合物的单晶结构,其结构式为[LaY(HDPA)_2(DPA)_2(H_2O)_4」·8H_2O,属单斜晶系,P2_1/a空间群。晶胞参数:a=1.2975(4)nm,b=1.1266(3)nm,c=1.4079(3)nm;β=102;15(2)°,V=2.01190(1)nm ̄3,Z=4,Dc=1.83g/cm ̄3,稀土离子的配位数为9,其配位多面体为扭曲的三冠三角棱柱体。 相似文献
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SynthesisandStructureof4,5-bis(2,4-Dinitrophenylthio)-1,3-Dithiole-2-ThioneQuZheng;CaiJing-Hua;FangQi;YouXiao-Zeng(Coordinati... 相似文献
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Lin Yu-Juan 《结构化学》1995,(1)
StructureStudiesonNewTypesofMacrocyclicCompoundsPartV.CrystalStructureofNickel(II)Complexof5,12-Diphenyl-7,14-dimethyl-1,4,8,... 相似文献