Quarterly Journal of the Chemical Society of London |
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Page 12
... iodide could be isolated in 10-13 % yield . The pure substance was most easily made by the neutralisation of aqueous telluroxan dihydroxide with hydriodic acid . In contrast to the two well - defined forms of the di - iodides of ...
... iodide could be isolated in 10-13 % yield . The pure substance was most easily made by the neutralisation of aqueous telluroxan dihydroxide with hydriodic acid . In contrast to the two well - defined forms of the di - iodides of ...
Page 46
... iodide in alcoholic solution furnished long , colourless needles of the optically pure l - As - spiro - bis - 1 : 2 : 3 : 4 - tetrahydroisoarsinolinium iodide ( as VI ) , having m . p . 226—228 ° and [ M ] D 344 ° in chloroform solution ...
... iodide in alcoholic solution furnished long , colourless needles of the optically pure l - As - spiro - bis - 1 : 2 : 3 : 4 - tetrahydroisoarsinolinium iodide ( as VI ) , having m . p . 226—228 ° and [ M ] D 344 ° in chloroform solution ...
Page 48
... Iodide ( as VI ) .— When an ice - cold solution of the above sulphonate ( 0.7 g . ) in alcohol ( 40 c.c. ) was treated with an excess of a solution of sodium iodide in 95 % alcohol , colourless needles of the l - iodide separated ...
... Iodide ( as VI ) .— When an ice - cold solution of the above sulphonate ( 0.7 g . ) in alcohol ( 40 c.c. ) was treated with an excess of a solution of sodium iodide in 95 % alcohol , colourless needles of the l - iodide separated ...
Contents
The final crop was therefore the optically pure lselenonium dsulphonate m p 157159 with preliminary softening | 1 |
An Investigation of the Occurrence of the Coordinate or Dative Link by Electric Dipolemoment | 38 |
p 65100 decomp Crop I which was collected washed with methyl alcohol and dried Cautious | 43 |
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Common terms and phrases
4-benzthiazine absorption acetic anhydride acetone acetyl acetylene added addition aldehyde alkali Amer aqueous arsenic arsine arsonium atoms barium benzene boiling Calc carbinol carbon catalyst CH₂ Chem Chemical chloride chloroform CO₂H colourless compound condensation containing cooled crystallised crystals D.Sc decomp derivatives dilute dissolved distilled double bonds dried ester ethereal solution ethyl acetate ethylene evaporated experimental extracted filtered filtrate formation formed Found fraction furan gave give heated hydrocarbons hydrochloric acid hydrogen bromide hydrolysis iodide isolated ketone liquid methanol method methyl alcohol methyl ether mixed m. p. mixture molecule nickel nitrogen obtained optically oxide oxychloride phenylhydrazones phosphate phosphorus picrate potassium potassium hydroxide precipitate prepared presence prisms pyridine reaction reagent reduced refluxed requires residue ring room temperature salt separated sodium carbonate sodium hydroxide solid soluble solvent structure substance sulphate sulphuric acid tetrahydrofurfuryl umbellulone vacuum values washed yield zinc