Journal of the Chemical SocietyThe Society., 1963 |
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Page 106
... ring the melting points lie between 45 ° and 68 ° , with a maximum at azacyclo - octadecane , suggesting that this group of disc - like molecules " rotate " in an upper solid phase . Only the 12 - membered ring stands out , as always ...
... ring the melting points lie between 45 ° and 68 ° , with a maximum at azacyclo - octadecane , suggesting that this group of disc - like molecules " rotate " in an upper solid phase . Only the 12 - membered ring stands out , as always ...
Page 143
... Ring A. By D. C. ALDRIDGE , JOHN FREDERICK GROVE , R. N. SPEAKE , B. K. TIDD , and W. KLYNE . Gibberellic acid is shown to have the absolute configuration ( II ) with the ring a lactone bridge in the x - configuration . RING D in ...
... Ring A. By D. C. ALDRIDGE , JOHN FREDERICK GROVE , R. N. SPEAKE , B. K. TIDD , and W. KLYNE . Gibberellic acid is shown to have the absolute configuration ( II ) with the ring a lactone bridge in the x - configuration . RING D in ...
Page 985
... ring . It was not oxidised by chromic acid in acetone . It is considered that it is obtained by the opening of the epoxide ring without dehydration , to give a tertiary alcohol , and that it has structure ( XIII ) . On treatment with ...
... ring . It was not oxidised by chromic acid in acetone . It is considered that it is obtained by the opening of the epoxide ring without dehydration , to give a tertiary alcohol , and that it has structure ( XIII ) . On treatment with ...
Contents
M W and Herbich M A | 1 |
NO PAGE | 15 |
The reaction of titanium halides with tertiary amines | 33 |
134 other sections not shown
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Common terms and phrases
absorption acetic acid acetic anhydride acetone acetyl alcohol alkyl alumina Amer anhydride anion aqueous atom band benzene bond bromide Calc carbon carbonyl cation CH₂ Chem chloride chromatography cm.¹ colourless complexes compound concentration constants crystallised crystals cyclic decomp decomposition derivatives diethyl dilute dioxan distilled diynes dried effect electron eluted ester ethanol ether ethyl acetate evaporated extracted formed Found fraction gave give heated hydrochloric acid hydrogen hydrogen chloride hydrolysis infrared infrared spectrum iodide isomer isotope K₁ ketone light petroleum liquid m. p. and mixed methyl mixed m. p. mixture mole molecule needles nitrogen nuclear magnetic resonance obtained oxide oxygen perchlorate phenol picrate potassium prepared proton pyridine reaction reduced refluxed requires residue ring room temperature sample sodium hydroxide solid solution solvent spectra structure substituted Table tetrahydrofuran triethylamine ultraviolet values yellow yield