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
... ether , chloroform , benzene , and carbon tetrachloride were used . Ether probably gave the best yields , but was the most difficult to make and keep pure and anhydrous . Purified chloroform was attractive because of its high solvent ...
... ether , chloroform , benzene , and carbon tetrachloride were used . Ether probably gave the best yields , but was the most difficult to make and keep pure and anhydrous . Purified chloroform was attractive because of its high solvent ...
Page 187
... ether or N - benzoyltyrosine ethyl ester ( Harington and Barger , loc . cit .; Canzanelli , Harington , and Randall , loc . cit . ) proceed normally . An attempt to simplify the present thyroxine synthesis by condensing 4 - chloro - 3 ...
... ether or N - benzoyltyrosine ethyl ester ( Harington and Barger , loc . cit .; Canzanelli , Harington , and Randall , loc . cit . ) proceed normally . An attempt to simplify the present thyroxine synthesis by condensing 4 - chloro - 3 ...
Page 196
... ether . The extract was washed with sodium hydrogen carbonate solution , then water , and was dried and evaporated . The resultant 4 - chloro - 3 : 5 - dinitroacetanilide recrystallised from a little ethanol as pale yellow lances , m ...
... ether . The extract was washed with sodium hydrogen carbonate solution , then water , and was dried and evaporated . The resultant 4 - chloro - 3 : 5 - dinitroacetanilide recrystallised from a little ethanol as pale yellow lances , m ...
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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