British Abstracts: Pure chemistry and physiology. ser. A1945 |
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Kết quả 1-3 trong 87
Trang 147
... ( corr . ) , [ a ] + 189 ° in H2O [ tetra - acetate , m.p. 104.2-104.4 ° ( corr . ) ; [ a ] + 173 ° in CHCI ] , is obtained . Tetra - acetylglucosyl bromide ( IV ) with 2 : 4 : 1- ( NO ) , CH , OH- NaOH gives ( III ) , m.p. 173-177 ...
... ( corr . ) , [ a ] + 189 ° in H2O [ tetra - acetate , m.p. 104.2-104.4 ° ( corr . ) ; [ a ] + 173 ° in CHCI ] , is obtained . Tetra - acetylglucosyl bromide ( IV ) with 2 : 4 : 1- ( NO ) , CH , OH- NaOH gives ( III ) , m.p. 173-177 ...
Trang 207
... ( corr . ) , softens at 156 ° . ( II ) is transformed by HNO , in H , SO , into 2 - nitro - 1 : 4 - di - y - keto - n - butyl- benzene ( IV ) , m.p. 57-58 ° ( corr . ) [ dioxime , m.p. 123-125 ° ( corr . ) ] . Partial hydrogenation ...
... ( corr . ) , softens at 156 ° . ( II ) is transformed by HNO , in H , SO , into 2 - nitro - 1 : 4 - di - y - keto - n - butyl- benzene ( IV ) , m.p. 57-58 ° ( corr . ) [ dioxime , m.p. 123-125 ° ( corr . ) ] . Partial hydrogenation ...
Trang 563
... ( corr . ) , which with Ac2O - Č , H , N or KOAc - Ac , O at the b.p. gives the enol acetate , m.p. 114-115 ° ( corr . ) [ hydrolysed by KOH- EtOH to ( II ) ] , also obtained from the original Grignard reaction mixture by AcCl . CrO ...
... ( corr . ) , which with Ac2O - Č , H , N or KOAc - Ac , O at the b.p. gives the enol acetate , m.p. 114-115 ° ( corr . ) [ hydrolysed by KOH- EtOH to ( II ) ] , also obtained from the original Grignard reaction mixture by AcCl . CrO ...
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