Quarterly Journal of the Chemical Society of London, Part 4, Pages 3921-5004 |
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Page 4461
... diazomethane in ether to give only linear polymethylene and nitrogen , but organoboron compounds ( X = alkyl or aryl ) , particularly the boronic anhydrides , give also some product of methylenation ( X.CH , B ) of the X - B bond . In ...
... diazomethane in ether to give only linear polymethylene and nitrogen , but organoboron compounds ( X = alkyl or aryl ) , particularly the boronic anhydrides , give also some product of methylenation ( X.CH , B ) of the X - B bond . In ...
Page 4467
... diazomethane in homogeneous ethereal solution give polymer in very good yield . By the same argument , this polymer cannot be formed by the rearrangement process . ( iii ) Boric esters . Equimolar boric esters and diazomethane give only ...
... diazomethane in homogeneous ethereal solution give polymer in very good yield . By the same argument , this polymer cannot be formed by the rearrangement process . ( iii ) Boric esters . Equimolar boric esters and diazomethane give only ...
Page 4469
... diazomethane with boron compounds is unbranched , and indeed it is used as a model straight - chain polymer ... diazomethane is a relatively fast process . ( iv ) The question of counter - ions : solvation of the cation by ...
... diazomethane with boron compounds is unbranched , and indeed it is used as a model straight - chain polymer ... diazomethane is a relatively fast process . ( iv ) The question of counter - ions : solvation of the cation by ...
Contents
Chlorineactivation by redoxtransfer Part III The abnormal addition | 3921 |
synthesis of Bcarboline derivatives | 3928 |
The synthesis of musizin | 3940 |
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absorption acetic acid acetone added alcohol alkaline alumina Amax Amer amine ammonia amylopectin atom band benzene bond bromide Calc carbon CH₂ Chem chloride chloroform chromatography cm.¹ complex compound concentrated cooled crystallised decomp derivative diazomethane dilute dimethylaniline dissolved distilled dried eluted ester ethanol ethylene evaporated extracted with ether filtered filtrate formation formed Found fraction gave H₂O heated hydration hydrazine hydrochloric acid hydrogen hydrolysis hydroxyl hydroxyl group infrared infrared spectrum iodide iodobenzene isolated isomers ketone ligand light petroleum b. p. m. p. and mixed methyl mixed m. p. mixture mole mole-¹ molecules needles nitrate nitrogen nucleophilic obtained oxalate oxidation phenyl potassium precipitate prepared pyridine Raney nickel reaction reduced refluxed requires residue room temperature salt sodium borohydride sodium hydroxide solvent spectra stirred structure sulphuric acid Table tetracyanoethylene ultraviolet values washed yellow yield