Quarterly Journal of the Chemical Society of London, Part 1, Pages 2077-3028 |
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Page 2212
... give an orange melt after 10 min . ( max . 27,900 and 22,200 cm. ̄1 ) . Further reaction occurred slowly , the melt becoming red after 10 hr . and purple after 2 days . ( ii ) Ammonium metavanadate reacted immediately at 200 ° in vacuo ...
... give an orange melt after 10 min . ( max . 27,900 and 22,200 cm. ̄1 ) . Further reaction occurred slowly , the melt becoming red after 10 hr . and purple after 2 days . ( ii ) Ammonium metavanadate reacted immediately at 200 ° in vacuo ...
Page 2766
... give trans - MeO2C • CH : C ( CO2Me ) Mn ( CO ) ,: this is in contrast to cis - MeO2C • CH : CH • Mn ( CO ) , which undergoes a novel rearrangement when heated to give bis ( tricarbonylmanganese ) dimethyl cis.cis - muconate , ( MeO , C ...
... give trans - MeO2C • CH : C ( CO2Me ) Mn ( CO ) ,: this is in contrast to cis - MeO2C • CH : CH • Mn ( CO ) , which undergoes a novel rearrangement when heated to give bis ( tricarbonylmanganese ) dimethyl cis.cis - muconate , ( MeO , C ...
Page 2771
... give starting material ( 0-25 g . , 0.89 mole , 24 % ) . Further elution with light petroleum - ether ( ratio 9 : 1 ) and recrystallisation of the product obtained from ether at -20 ° gave deep red crystals of bis ( tricarbonylmanganese ) ...
... give starting material ( 0-25 g . , 0.89 mole , 24 % ) . Further elution with light petroleum - ether ( ratio 9 : 1 ) and recrystallisation of the product obtained from ether at -20 ° gave deep red crystals of bis ( tricarbonylmanganese ) ...
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absorption acetate acetone acetonitrile acid adduct Amer analysis angles anion aqueous assigned band benzene bond lengths bromide bromine Calc calculated carbon carbonyl cation Chem chemical Chemistry chloride cm.¹ co-ordination cobalt cobalt(II complexes compounds concentration copper(II crystal dichloromethane dimethylformamide dithiolene electronic energy equation ethanol ether EXPERIMENTAL Fe3+ Figure formation frequency Gibbsite H₂O halides hydrogen atoms i.r. spectra Inorg intensity interaction iodomethane isomer k₁ kcal kinetics lattice ligand magnetic measured metal methyl mixture mmole modes molecular molecule molybdenum Mössbauer n.m.r. spectra nitrogen observed obtained octahedral orbital oxide parameters pentafluoride perchlorate phosphine Phys pK'a plane potassium powder prepared protons pyridine Raman rate constants reaction recrystallised resin room temperature salt samples shift shown similar sodium solid solution solvent species spectra spectrum stretching structure suggested symmetry Table tetrahydrofuran thiocyanate triphenylphosphine values vibrations X-ray yellow