Quarterly Journal of the Chemical Society of London, Issue 1, Pages 1-776 |
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Page 292
... followed by oxidation ( CrO , -bipy ) 2 with 1.2 equiv . of ethoxycarbonylethylidenetriphenylphosphorane ( mono- MeO2C glyme , 83 ° ) yielded the liquid trans - aß - unsaturated ester [ ( 3a ) ; 61 % ] . Reduction ( LiAlH1 ) of ( 3a ) ...
... followed by oxidation ( CrO , -bipy ) 2 with 1.2 equiv . of ethoxycarbonylethylidenetriphenylphosphorane ( mono- MeO2C glyme , 83 ° ) yielded the liquid trans - aß - unsaturated ester [ ( 3a ) ; 61 % ] . Reduction ( LiAlH1 ) of ( 3a ) ...
Page 324
... followed well recognised procedures ( cf. R. Thomas , Biochem . J. , 1961 , 78 , 748 ) and will be described in our full paper . 8 2,4 - Dihydroxy - 5,6 - dimethylbenzoic acid ( 2 ) has previously been isolated from A. terreus and ...
... followed well recognised procedures ( cf. R. Thomas , Biochem . J. , 1961 , 78 , 748 ) and will be described in our full paper . 8 2,4 - Dihydroxy - 5,6 - dimethylbenzoic acid ( 2 ) has previously been isolated from A. terreus and ...
Page 631
... followed by π - hydrocarbons in orbital - symmetry - controlled reactions may be diverted when the hydrocarbon functions as a ligand to a transition metal . In such complexes , mixing of the ligand orbitals with those of the metal ...
... followed by π - hydrocarbons in orbital - symmetry - controlled reactions may be diverted when the hydrocarbon functions as a ligand to a transition metal . In such complexes , mixing of the ligand orbitals with those of the metal ...
Contents
Page | 1 |
Electrochemical Indications of New Oxidation States in Transitionmetal Dicarbollide Complexes | 8 |
Crystal Structure and Bonding in the Dinuclear Complexes CHW SPhMCO M Cr | 14 |
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acetate acid Acta adduct alcohol alkaloids alkyl Amer analysis anion aqueous aromatic assigned atoms band benzene carbon carbonyl cation chelate Chem chemical shifts Chemical Society Chim chloride cm-¹ co-ordination Comm complexes compounds configuration confirmed coupling Crystal Structure cyclopropane Department of Chemistry derivatives double bond doublet electron ester ether Figure formation formed gave H₂O hydride hydrogen hydrolysis i.r. spectrum ibid indicate Inorg intermediate irradiation isolated isomer ketone ligand metal methanol methyl methylene mixture molecular molecule n.m.r. spectrum nitrogen observed obtained olefinic oxidation oxygen phenyl phosphine photolysis Phys presence protons pyridine radical ratio reaction rearrangement Received reported resonance ring room temperature shown shows similar singlet sodium solution solvent space group spectra spectroscopy stereochemistry studies substituted suggested sulphur Summary synthesis Table Tetrahedron Letters tetrahydrofuran tion triphenylphosphine tritium University values X-ray yield