British Abstracts: Pure chemistry and physiology. ser. A1945 |
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... AcOH ) gives CHPhMe CN ( 89.5 % ) , b.p. 107— 110 ° / 11 mm . With NaNH , in boiling PhMe - N2 and then I • [ CH2 ] · CN - Et2O at −78 ° ( not other methods ) , this gives a - phenyl- a - methyladipdinitrile ( 87.5 % ) , b.p. 150-160 ...
... AcOH ) gives CHPhMe CN ( 89.5 % ) , b.p. 107— 110 ° / 11 mm . With NaNH , in boiling PhMe - N2 and then I • [ CH2 ] · CN - Et2O at −78 ° ( not other methods ) , this gives a - phenyl- a - methyladipdinitrile ( 87.5 % ) , b.p. 150-160 ...
Trang 147
... AcOH - H , SO , are more sol . than are those by AcOH - HCIO ,; with the former , the SO , H content is max . after 2 hr . , the content after 72 hr . being ~ 25 % lower . Solubility , SO , H content , and D.P. are not related . The ...
... AcOH - H , SO , are more sol . than are those by AcOH - HCIO ,; with the former , the SO , H content is max . after 2 hr . , the content after 72 hr . being ~ 25 % lower . Solubility , SO , H content , and D.P. are not related . The ...
Trang 335
... AcOH . With Cu powder at 210 ° and then boiling ACOH - HI ( 58 % ) , ( II ) gives 4 : 4 ' - epoxydi - 3 - coumarinyl ( III ) , m.p. 310-320 ° , and 4 : 4 ' - dihydroxydi - 3 - coumarinyl , the latter product not being obtained pure ...
... AcOH . With Cu powder at 210 ° and then boiling ACOH - HI ( 58 % ) , ( II ) gives 4 : 4 ' - epoxydi - 3 - coumarinyl ( III ) , m.p. 310-320 ° , and 4 : 4 ' - dihydroxydi - 3 - coumarinyl , the latter product not being obtained pure ...
Nội dung
Albano J D 20 | 5 |
Determination | 3 |
ANALYTICAL REAGENTS WITH ACTUAL BATCH ANALYSIS | 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 H₂ 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