Journal of the Chemical Society, Part 4Chemical Society., 1962 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 4775
... Methyl 2-0 - toluene - p - sulphonyl - 6 - O - triphenylmethyl - a - D - glucoside . Methyl 2-0 - toluene - p- sulphonyl - a - D - glucoside ( 5-72 g . ) in pyridine ( 25 c.c. ) was treated with triphenylmethyl chloride ( 5.0 g . ) at ...
... Methyl 2-0 - toluene - p - sulphonyl - 6 - O - triphenylmethyl - a - D - glucoside . Methyl 2-0 - toluene - p- sulphonyl - a - D - glucoside ( 5-72 g . ) in pyridine ( 25 c.c. ) was treated with triphenylmethyl chloride ( 5.0 g . ) at ...
Page 4777
... Methyl Red and sodium periodate - Schiff sprays . The results are shown in Table 1 . Hydrolysis of Methyl 4 - O - Acetyl - 2,3 - anhydro - 6 - O - triphenylmethyl - a - D - mannoside with 80 % Acetic Acid . The sugar ( 0 · 25 g . ) in ...
... Methyl Red and sodium periodate - Schiff sprays . The results are shown in Table 1 . Hydrolysis of Methyl 4 - O - Acetyl - 2,3 - anhydro - 6 - O - triphenylmethyl - a - D - mannoside with 80 % Acetic Acid . The sugar ( 0 · 25 g . ) in ...
Page 5173
... methyl ursolate acetate ( 98 mg . ) , and the mixture fractionally crystallised from chloroform - methanol . The labelled methyl ursolate acetate thus obtained , when crystallised to constant activity , had m . p . 246–247 ° , specific ...
... methyl ursolate acetate ( 98 mg . ) , and the mixture fractionally crystallised from chloroform - methanol . The labelled methyl ursolate acetate thus obtained , when crystallised to constant activity , had m . p . 246–247 ° , specific ...
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Common terms and phrases
absorption acetic acid acetic anhydride acetone acetylacetone added alcohol Amer anhydride aqueous atom b₁ band benzene bond bromide Calc carbon tetrachloride carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ CO₂H complex compound concentration constant cooled Cotton effect crystallised decomp derivative diethyl dilute dioxan distilled dried electron ester ethanol ether ethyl acetate ethylene evaporated experimental extracted filtered filtrate formed Found fraction gave give heated hydrochloric hydrochloric acid hydrogen hydrogen chloride hydrolysis infrared spectrum isomer k₁ ketone lactone ligand light petroleum b. p. measured methyl mixed m. p. mixture mmoles mole molecule molybdenum needles nitrate nitrogen obtained oxidation peroxide phenyl polymer potassium precipitate prepared protons pyridine radicals reaction reduced refluxed requires residue resonance ring room temperature salt sample sodium hydroxide solid solution solvent spectra steric structure sulphide sulphuric acid Table values washed yellow yield