Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 169
... ring a are coplanar ( Table 7 ) ; the root mean square deviation of these atoms from the plane which has the equation 0 · 1402X - 0-7302Y0-6687Z + 4-64350 , X , Y , and Z in Å are the orthogonal co - ordinates with reference to the ...
... ring a are coplanar ( Table 7 ) ; the root mean square deviation of these atoms from the plane which has the equation 0 · 1402X - 0-7302Y0-6687Z + 4-64350 , X , Y , and Z in Å are the orthogonal co - ordinates with reference to the ...
Page 173
... rings from carbo- hydrate precursors has led us to investigate the con- formational properties of the 1,3 - dioxepan ring of 2,5-0 - methylene - D - mannitol ( 1 ) and its derivatives . HO OH through their 2,5 - O - methylene carbon ...
... rings from carbo- hydrate precursors has led us to investigate the con- formational properties of the 1,3 - dioxepan ring of 2,5-0 - methylene - D - mannitol ( 1 ) and its derivatives . HO OH through their 2,5 - O - methylene carbon ...
Page 174
... ring , but just as in the case of cycloheptane , this repulsion will be less for the TC conformation and so it will be more stable than the TB conformation . The above argument indicates that the 1,3 - dioxepan ring in 1,3 : 2,5 : 4,6 ...
... ring , but just as in the case of cycloheptane , this repulsion will be less for the TC conformation and so it will be more stable than the TB conformation . The above argument indicates that the 1,3 - dioxepan ring in 1,3 : 2,5 : 4,6 ...
Contents
Physical organic chemistry | 1 |
Aromatic reactivity Part XXXVIII Protodesilylation of 12dihydrobenzocyclobutene indan and tetralin | 12 |
Aromatic reactivity Part XL Additional substituent effects in protodetrimethylsilylation | 21 |
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absorption acetic acid Acta alcohol alkyl Amer amine angles anion aqueous aromatic ation benzene bond bromide calculated carbanion carbon tetrachloride CH₂ Chem chemical shifts Chemistry Chim chloride CO₂H compounds concentration conformation corresponding coupling constants decomposition derived di-imine dioxan dipole effect electron equation esters ethanol ether experimental Figure first-order formation formed H₂O hydrogen hydrolysis hydroxide hypochlorous acid interaction intermediate iodide irradiation isomer isomerisation isopropyl k₁ ketone kinetic measured mercuric mesitylene method methyl mixture mole mole-¹ molecular molecule n.m.r. spectra nitration nitrogen observed obtained olefin oxidation oxygen peaks peroxide phenyl Phys plot polymer proton radical rate constants ratio reactants reaction reactivity reduced relative resonance ring salts showed shown similar singlet sodium sodium hydroxide solution solvent solvolysis spectrum steric steric effect structure substituent sulphoxide t-butyl Table temperature titanium(III triethyl phosphite values