Quarterly Journal of the Chemical Society of London, Volume 8, Pages 1365-2022 |
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Page 1388
... substituent and the C ( 5 ) -substituent bonds in the two forms . At C - 2 the presence of the strongly electronegative trichloromethyl group will result in a local dipole moment acting along the substituent bond with the negative end ...
... substituent and the C ( 5 ) -substituent bonds in the two forms . At C - 2 the presence of the strongly electronegative trichloromethyl group will result in a local dipole moment acting along the substituent bond with the negative end ...
Page 1555
... substituent . In simpler allenes the introduction of substituents ( halogeno- or alkyl ) reduces the value of the four - bond coupling constant from that ( 7.0 Hz ) observed for allene , regardless of the inductive effect of the substituent ...
... substituent . In simpler allenes the introduction of substituents ( halogeno- or alkyl ) reduces the value of the four - bond coupling constant from that ( 7.0 Hz ) observed for allene , regardless of the inductive effect of the substituent ...
Page 1825
... substituent , such as the 7,9 - di- methylpurine - 6 - thione betaine.13 Table 3 reveals that in the 8 - phenylpurine series , again a 7 - methyl group produces the highest abundance of the ( M - 1 ) peak , 1 ) peak , and that the ...
... substituent , such as the 7,9 - di- methylpurine - 6 - thione betaine.13 Table 3 reveals that in the 8 - phenylpurine series , again a 7 - methyl group produces the highest abundance of the ( M - 1 ) peak , 1 ) peak , and that the ...
Contents
Organic chemistry | 1365 |
Substituted oxindoles Part IV 3Alkylation of 1methylindol23Hone 1methyloxindole | 1375 |
Contents iii | 1377 |
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1-phosphate absorption acetic acid acetic anhydride acetone added adduct alcohol alkyl Amer amine anhydride anhydrous aqueous aromatic atom benzene bromide Calc carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ compound conj cooled crystallised cyclohexanone cyclopentadiene derivatives deuterium diene dimethyl dimethylbutadiene distilled dried eluted ester ethanol ethyl acetate evaporated extracted with ether filtered Found fraction gave give heated under reflux hydrazine hydride hydrochloric hydrogen carbonate hydrolysis hydroxide i.r. spectrum iodide isolated isomer ketone light petroleum mass spectrum methyl methylene mixed m.p. mmHg mole n.m.r. spectrum needles nitrogen obtained olefin oxalylindene oxide petroleum petroleum b.p. phosphate potassium prepared protons pyridine quinone reaction rearrangement reduced pressure requires residue ring room temperature showed silica gel sodium sodium hydroxide solid solution solvent spectra structure substituent Table washed yellow yield