British Abstracts: Pure chemistry and physiology. ser. A1945 |
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... Et , O but readily with NHEt ; the HCO NEt , produced thereby is obtained by autoxidation of an unisolated intermediate product . V. The primary product of the interaction of C , Cl , and NHEt , in Et , O is aß - dichloro - a ...
... Et , O but readily with NHEt ; the HCO NEt , produced thereby is obtained by autoxidation of an unisolated intermediate product . V. The primary product of the interaction of C , Cl , and NHEt , in Et , O is aß - dichloro - a ...
Trang 79
... O rapidly and a second O slowly from BzO , H - CHCI ,, yielding a dioxide , b.p. 109— 133 ° / ~ 0.8 mm . , which with boiling MgMeI - Et , O gives a di - tert.- glycol , dehydrated by 98-100 % HCO2H to an unsaturated hydro- carbon ...
... O rapidly and a second O slowly from BzO , H - CHCI ,, yielding a dioxide , b.p. 109— 133 ° / ~ 0.8 mm . , which with boiling MgMeI - Et , O gives a di - tert.- glycol , dehydrated by 98-100 % HCO2H to an unsaturated hydro- carbon ...
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... Et ester [ Et B - cis - 1 - acetyl - 3 - a- oximinoethyl - 4 ... O ) , m.p. 55-63 ° ] . Resolution of dl - tartaric acid by ( XII ) is also ... O- and then N - acetylation . The primary O - Ac passes into the N - Ac derivative on ...
... Et ester [ Et B - cis - 1 - acetyl - 3 - a- oximinoethyl - 4 ... O ) , m.p. 55-63 ° ] . Resolution of dl - tartaric acid by ( XII ) is also ... O- and then N - acetylation . The primary O - Ac passes into the N - Ac derivative on ...
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Determination | 3 |
ANALYTICAL REAGENTS WITH ACTUAL BATCH ANALYSIS | 79 |
ACTUAL Each Batch | 79 |
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absorption Ac₂O Acad acetate AcOH action activity adsorption alcohol alkaline Amer ascorbic acid auxin Biochem Biol blood boiling calc cells CHCI CHCl3 Chem chloride CHMe CHPh CO₂ CO₂H colour compounds Compt conc concn const containing converted corr cryst crystals curve cystine D.Sc decomp decrease derivative diet effect enzyme ester Et,O Et₂O ether EtOH extract formation formed gives glucose growth guinea-pigs H₂O H₂SO heat hydrochloride hydrogenated hydrolysed increased inhibition injection isolated isomerisation ketone lactone liquid liver MeOH metabolism method mixture NaOH normal obtained occurs oxidation oxidised penicillin phenol Physiol picrate plants pptn prep presence pressure Proc protein rats reaction reduced rend riboflavin room temp salt semicarbazone serum solution structure substances sulphate sulphonamide synthesis thiamin tissue toxic treatment tumours vals X-ray xylene yeast yields