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Page 2518
... cooled in a solid carbon dioxide - methanol slurry . It was introduced into bulbs F and G at its equilibrium vapour ... cooled in solid carbon dioxide - methanol to one cooled in liquid air . The residue was discarded each time . The ...
... cooled in a solid carbon dioxide - methanol slurry . It was introduced into bulbs F and G at its equilibrium vapour ... cooled in solid carbon dioxide - methanol to one cooled in liquid air . The residue was discarded each time . The ...
Page 3014
... cooled rapidly to produce a finely divided precipitate ( slow cooling gave clusters of large orange needles of the hydrobromide ) , and neutralised with ammonia whilst being cooled in ice . The yellow precipitate ( 2.8 g .; m . p . 175 ...
... cooled rapidly to produce a finely divided precipitate ( slow cooling gave clusters of large orange needles of the hydrobromide ) , and neutralised with ammonia whilst being cooled in ice . The yellow precipitate ( 2.8 g .; m . p . 175 ...
Page 3466
... cooled . The product ( 140 mg . ) was filtered off and recrystallised with carrier DL - tyrosine ( 40 mg . ) from water , yielding DL- [ carboxy - 14C ] tyrosine ( 140 mg . ) , m . p . 312-315 ° , specific radioactivity 83 uc / g ...
... cooled . The product ( 140 mg . ) was filtered off and recrystallised with carrier DL - tyrosine ( 40 mg . ) from water , yielding DL- [ carboxy - 14C ] tyrosine ( 140 mg . ) , m . p . 312-315 ° , specific radioactivity 83 uc / g ...
Contents
ONE HUNDRED AND ELEVENTH ANNUAL GENERAL MEETING | 2449 |
483 | 2465 |
Mechanism of Substitution at a Saturated Carbon Atom Part XXXIII Kinetic | 2488 |
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acetic acid acetone acetyl acetyl chloride added alcohol alum aluminium aluminium bromide Amer ammonia anhydride aqueous atom benzene benzyl boiling Calc carbon Chem Chemical Chemistry chloroform chromatography colourless compound concentrated condensation cooled crystallised crystals decomp derivative dilute dissolved distilled dried ester ethanol ether ethyl acetate ethylene evaporated excess extracted filtered filtrate formed Found fraction gave give heated hydrate hydrochloric acid hydrogen bromide hydrogen chloride hydrolysis iodide isolated ketone L-iditol Lecture light petroleum b. p. lignin lithium aluminium hydride m. p. and mixed material method methyl mixed m. p. mixture molecular molecules needles nitrate obtained oxide phase phosphate polymer potassium hydroxide precipitated prepared present Professor pyridine reaction reflux requires residue retinene room temperature salt sample separated sodium hydroxide solid solution solvent stirred structure Table trifluoroiodomethane vapour pressure vitamin washed yellow yield