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A. A. Koridze S. A. Kuklin N. A. Shtelzer P. V. Petrovskii F. M. Dolgushin M. G. Ezernitskaya 《Russian Chemical Bulletin》2008,57(10):2194-2197
The structure of the previously synthesized triosmium cluster was revised. The structure Os3(μ-H)2(CO)7(μ-C6H4){μ3-Ph2PCH2P(C6H4)Ph} suggested earlier was not confirmed. The cluster has the composition Os3(μ-H)2(CO)7(μ-C5H4N){μ3-Ph2PCH2P(C6H4)Ph} and contains the ortho-metalated pyridine ligand. The X-ray diffraction study of the complex Os3(μ-H)2(CO)7(μ-MeC5H3N){μ3-Ph2PCH2P(C6H4)Ph} containing the ortho-metalated 4-methylpyridine ligand made it possible to distinguish between the C and N atoms of the pyridine ligands in the resulting triosmium clusters. 相似文献
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A. M. Sheloumov A. A. Koridze F. M. Dolgushin Z. A. Starikova M. G. Ezernitskaya P. V. Petrovskii 《Russian Chemical Bulletin》2000,49(7):1292-1296
The synthesis and crystal structures of the clusters M3(AuPPh3)(C≡CFc)(CO)9 (M=Ru,3a; or M=Os,3b) are described. Compound3a was synthesized by deprotonation of Ru3H(C≡CFc)(CO)9 under the action of KOH/EtOH followed by treatment of the anionic complex [Ru3(C≡CFc)(CO)9]− with chloro(triphenylphosphine)gold. Compound3b was prepared by the reaction of Os3(CO)10(NCMe)2 with FcC≡CAuPPh3, which was synthesized by the reaction of FcC≡CNa with ClAuPPh3. The pentanuclear cluster Ru4(AuPPh3)(C≡CFc)(CO)12 (4a), which was prepared by the reaction of3a with Ru3(CO)12, was characterized by spectral methods.
Published inIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1295–1299, July, 2000. 相似文献
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A. A. Koridze A. M. Skeloumov F. M. Dolguskin A. I. Yanovsky Yu. T. Struckkov P. V. Petrovskii 《Russian Chemical Bulletin》1996,45(3):702-708
Os3(μ-CO)(CO)9(μ3-Me3SiC2Me) alkyne complexes react with ferrocenylacetylene in hot benzene to form Os3(CO)9{μ3-η1-η1-η2-η2-C(SiMe3)C(Me)C(H)C(Fe)} and a small amount of the isomeric Os3(CO)9(μ-η1-η1-η4-C(SiMe3)C(Me)C(Fc)C(H)} complex. The structure of the major isomer was confirmed by X-ray structural analysis of the single crystal. Thermolysis of this complex in refluxing benzene affords the Os3(μ-H)(CO)8{μ3-η1-η1-η4-η1-C(SiMe3)C(Me)C(H)(C5H3FeC5H5)} complex with theortho-metallated ferrocene moiety. The spectral characteristics of clusters with the μ3-η1-η1-η2-η2 and μ-η1-η1-η4 coordinations of the metallacyclopentadiene fragment have been established, which made it possible to choose between the alternative modes of bonding of diene with the trimetallic core. 相似文献
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V. I. Zdanovich V. Yu. Lagunova F. M. Dolgushin A. I. Yanovsky M. G. Ezernitskaya P. V. Petrovskii A. A. Koridze 《Russian Chemical Bulletin》1998,47(9):1789-1796
Ruthenium carbonyl triphenylphosphine complexes Ru2(CO)6−n
(PPh3)
n
{μ-C(CH=CHPh)C(Ph)C(CH=CHPh)C(Ph)} (n=1, 2) were obtained by the reaction of complex Ru2(CO)6{μ-C(CH=CHPh)C(Ph)C(CH=CHPh)C(Ph)} containing the ruthenacyclopentadiene moiety with PPh3 in refluxing toluene. The complexes were characterized by IR and by1H,13C, and31P NMR spectroscopy, and by X-ray analysis. The monophosphine derivative is identical to the complex formed by fragmentation
of the Ru3(CO)8(PPh3){μ-C(CH=CHPh)C(Ph)C(CH=CHPh)C(Ph)} cluster and contains the PPh3 ligand at the ruthenium atom of the ruthenacyclopentadiene moiety.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1836–1843, September, 1998 相似文献