Journal of the Chemical Society, Part 5Chemical Society., 1949 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 79
... pyridine ( 0-616 ml .; 1 · 0 mol . ) and pure thionyl chloride ( 0-554 ml .; 1 · 0 mol . ) ; the mixture was shaken and left protected from moisture at 20 ° for 4 hours , during which granular pyridine hydrochloride separated . cyclo ...
... pyridine ( 0-616 ml .; 1 · 0 mol . ) and pure thionyl chloride ( 0-554 ml .; 1 · 0 mol . ) ; the mixture was shaken and left protected from moisture at 20 ° for 4 hours , during which granular pyridine hydrochloride separated . cyclo ...
Page 173
... pyridine . It is now found that the rate coefficient ( 25 ° ) for the mutarotation of lavo- menthyl benzoylformate in methanol is very considerably increased in the presence of pyridine : Solvent . [ a ] 259461 ° -80 ° MeOH 0.015м - ...
... pyridine . It is now found that the rate coefficient ( 25 ° ) for the mutarotation of lavo- menthyl benzoylformate in methanol is very considerably increased in the presence of pyridine : Solvent . [ a ] 259461 ° -80 ° MeOH 0.015м - ...
Page 198
... pyridine ( 14 ml . ) was treated portionwise with toluene - p - sulphonyl chloride ( 2 · 2 g . ) at 0 ° with stirring . After 2 hours , the mixture was diluted with water , and the insoluble product crystallised from ethyl acetate ...
... pyridine ( 14 ml . ) was treated portionwise with toluene - p - sulphonyl chloride ( 2 · 2 g . ) at 0 ° with stirring . After 2 hours , the mixture was diluted with water , and the insoluble product crystallised from ethyl acetate ...
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Common terms and phrases
absorption acetic acid acetone activity added alkali aluminium aluminium chloride Amer anhydride aqueous solution aspergillic atom benzene bromide Calc carbon Chem chemical chloroform coefficient colourless complex compounds concentration condensation containing cooled counter crystallised crystals curve decomp decomposition derivatives determined diffusion dilute dinitrogen tetroxide dioxide dissolved distilled dried electrons energy ester ethanol ether ethyl alcohol evaporated experimental experiments extracted filtered formation formed Found fraction gave give gliotoxin H₂O heated hydrochloric acid hydrogen hydrogen chloride hydrolysis iodide iodine value ionic isotopes ketone light petroleum b. p. liquid measured method mixture molecule needles nitrosyl chloride obtained oxidation perchlorate polonium potassium potassium hydroxide precipitated prepared protoactinium pyridine radioactive reaction refluxed requires residue room temperature salt sample separated sodium hydroxide solid soluble solvent sulphate sulphuric acid synthesis thorium thyroxine tube uranium uranyl nitrate washed yellow yield