Journal of the Chemical Society, Part 1The Society., 1965 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 578
... yield by electro- chemical fluorination of pyridine , a was pyrolysed over steel wool at 600 ° / < 1 mm . ( contact time ca. 1 sec . ) . The product ( 15 · 1 g . ) was distilled through a 10 cm . × 8 mm . adiabatic column packed with ...
... yield by electro- chemical fluorination of pyridine , a was pyrolysed over steel wool at 600 ° / < 1 mm . ( contact time ca. 1 sec . ) . The product ( 15 · 1 g . ) was distilled through a 10 cm . × 8 mm . adiabatic column packed with ...
Page 594
... yields 3 - chloro - 2,5,6 - trifluoropyridine . THE preparation of pentafluoropyridine by defluorination of undecafluoropiperidine with nickel at 560 ° / 1 atm . ( ca. 12 % yield ) , 2 or , preferably , iron at 580-610 ° / < 1 mm . ( 26 % ...
... yields 3 - chloro - 2,5,6 - trifluoropyridine . THE preparation of pentafluoropyridine by defluorination of undecafluoropiperidine with nickel at 560 ° / 1 atm . ( ca. 12 % yield ) , 2 or , preferably , iron at 580-610 ° / < 1 mm . ( 26 % ...
Page 1001
... yields of these products may be compared with f , as in Table 3. Since the yield of benzoic acid tends toward zero at infinite dilution , this product may , as a first approximation , be con- sidered primarily as a product of the ...
... yields of these products may be compared with f , as in Table 3. Since the yield of benzoic acid tends toward zero at infinite dilution , this product may , as a first approximation , be con- sidered primarily as a product of the ...
Contents
NO PAGE | 1 |
Reactions of ketones with oxidising agents Part II Acetoxylation of 11 and | 6 |
The synthesis of D and L2amino2carboxyethyl 2Nphosphonoguanidinoethyl | 12 |
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absorption acetic acid acetone acetyl added alumina Amax Amer ammonia aqueous atoms bands benzene bond bromide Calc calculated carbon tetrachloride catalysis cation CH₂ Chem chloroform chromatography cm.¹ complex compound concentration coupling constants crystallised crystals derivatives deuterium dichloride dilute dimethyl distilled dried effect eluted ester ethanol ether ethyl acetate evaporated EXPERIMENTAL extracted fluoride formation formed Found fraction gave H₂O heated hydrochloric acid hydrogen chloride hydrolysis hydroxide infrared infrared spectrum isobutene isomer k₁ ketone laminarin light petroleum methyl mixed m. p. mixture mmoles mole molecular molecule mµ ɛ needles nitrogen observed obtained oxide peak perchlorate phenol Phys platinum potassium prepared present proton pyridine reaction reagent reflux requires residue resin ring room temperature salt sample shown sodium sodium hydroxide solid solution solvent spectra structure sulphuric acid t-butyl Table values washed yellow yield