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 共查询到20条相似文献,搜索用时 15 毫秒
1.
SYNTHESIS OF 4-S-(4",5"-DIARYL-1",2",4"-TRIAZOLE-3"-YL)-4-DEOXY-4'-DEMETHYL-EPIPODOPHYLLOTOXIN ANALOGUES¥FangMinLIU;KuanKeLU;...  相似文献   

2.
SYNTHESISOF4-S-(5″-ALKYL-4″-AMINO-1″,2″,4″-TRIAZOLE-3″-YL)-4-DEOXY-4′-DEMETHYL-EPIPODOPHYLLOTOXINANALOGUES¥KuanKeLU;FangMinLI...  相似文献   

3.
SYNTHESISOFDI-(2'-DEOXY-2'-FLUORO)PYRIMIDINENUCLEOSIDEPHOSPHATESANDPHOSPHOROTIOATESZhengFuWANG;YiBingZHANG;YaoQuanCHEN(Labora...  相似文献   

4.
SynthesisandCrystalStructureof1,5-Bis(1'-phenyl-3'-methyl-5'-pyrazolone-4')-1-(4'-aminobutand-1'-imino)-5-pentaneone¥YangLu-Q...  相似文献   

5.
CrystalStructureoftrans-2-(1-Naphthyl)-1-(p-(4',4',5',5'-tetramethyl-4',5'-dihydro-1'H-imidazolyl-1'-oxy-3'-oxide)-phenyl)-im...  相似文献   

6.
SYNTHESIS OF N-ARYL-4-METHYLPHENOXYACETAMIDES BY MEANS OF LIQUID-LIQUID PHASE TRANSFER CATALYSIS¥TaiBaoWEI;JiChouCHEN;YouMing...  相似文献   

7.
THESYNTHESISOF4,5-BIS(4'-BROMOBENZYLTHIO)-1,3-DITHIOLE-2-THIONEWITHONEDIMENSIONALINTERMOLECULARINTERACTIONS¥FangQI(Instituteo...  相似文献   

8.
SYNTHESISOF1H,1'HBIS(BENZ-△~4-IMIDAZOLINE)2,2'-SPIRO-TITANIUMDICHLORIDEWeiRongbao;LiangYa;WuJinguo;XueQifeng(Dept.ofChem.Eng....  相似文献   

9.
STUDIES ON THE TOTAL SYNTHESIS OF(-)-(2R,5S)-2-METHYL-5-HYDROXYMETHYL-δ-VALEROLACTONESTUDIESONTHETOTALSYNTHESISOF(-)-(2R,5S)-...  相似文献   

10.
STUDIESONTHEPRENYLFLAVOIDSPARTⅩⅥSYNTHESISOF(±)-3',4'-METHYLENEDIOXYISODERICINE-AAND(±)-PONGAPINONE-B¥XianYongBU;LianYunZHAOan...  相似文献   

11.
STUDIESONTHESYNTHESISANDREACTIONSOFN-(1-OXO-4-CARBONYL-2,6,7-TRIOXA-1-PHOSPHABICYCLO[2.2.2]OCTANE)-N’-ARYLTHIOUREASYuGuiLI;Xu...  相似文献   

12.
SYNTHESISOF4-(QUINOXALYL-2-OXY)PHENYLALKYLN-ALKYLPHOSPHORAMID(OTHION)ATESHongWuHE;JunWANG;ZhaoJieLIU(InstituteofOrganicSynthe...  相似文献   

13.
BASE-CATALYZEDPROTODESILYLATIONOF(2H)-PYRI-DAZINON-5-YLSILYLMETHYLSULFIDES¥ZhengJieHE;ZhengMingLI(InstituteofElemento-Organic...  相似文献   

14.
SYNTHESIS OF 4-(2,3-DIMETHOXY-4-ISOPROPYLBENZYL)-3-ETHOXYCARBONYLMETHYL-2-CYCLOHEXENONESYNTHESISOF4-(2,3-DIMETHOXY-4-ISOPROPY...  相似文献   

15.
在丙酮介质中合成了4',5'-二溴苯并-15-冠-5分别与碘化钾和硫氰化钾的两种新型固体配合物。元素分析表明配合物的化学组成为K(Br_2B15C5)X(X=I ̄-或NCS ̄-)。通过摩尔电导、红外光谱、X-射线粉末衍射分析对配合物进行了表证。从而证明,钾(Ⅰ)离子不仅容易与4',5'-二溴苯并-15-冠-5形成常见的1:2夹心式配合物,而n还能生成稳定的1:1型固体配合物。  相似文献   

16.
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   

17.
双(1'-苯基-3'-甲基-5'-氧代吡唑-4'-基)乙二酮的合成及表征张安运,钱博,何辉(陕西师范大学化学系,西安710062)4-酰代双吡唑酮是以吡唑酮为端基,脂肪族碳氢取代基联结而成的一类多配位点的β-二酮类螯合剂,对Mn(n+)具有很强的配位...  相似文献   

18.
SYNTHESISANDCHARACTERIZATIONOFCOBINAMIDESCONTAINING2′-DEOXYNUCLEOSIDES──ANEWKINDOFVITAMINB_(12)COENZYMEANALOGUES¥HuiLanCHEN;Z?..  相似文献   

19.
在乙腈和丙酮介质中合成了6种轻稀土硝酸盐与4'-溴-5'-硝基苯并-15-冠-5(L)的固体配合物,经元素分析确定其组成为RE(NO_3)_3·L(RE=-La~Nd),Sm(NO_3)_3·L·H_2O和Eu(NO_3)_3·L·CH_3CN·4H_2O,并进行了IR、UV、TG-DTA、摩尔电导及X-射线粉末衍射物相分析等表征,探讨了冠醚苯基上引入双取代基(-Br,-NO_2)后对稀土离子配位作用的影响.  相似文献   

20.
STUDIESONTHESYNTHESISOFSINULARIOL-D,SINULARIOL-AANDSINULARICACID-A.-SYNTHESISOF(5R)-7,7-DIMETHOXY-5-[1-(2-TERT-BUTYLDIPHENYLS...  相似文献   

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