British Abstracts: Pure chemistry and physiology. ser. A1934 |
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... acid ( VI ) and some xy - diphenyl - y- butyrolactone result . Similar reduction of ( II ) gives ay - diphenylbutyric acid , m.p. 75 ° , also obtained by Clemmensen reduction of ( VI ) . ( III ) is hydrolysed ( EtOH - KOH ) to y ...
... acid ( VI ) and some xy - diphenyl - y- butyrolactone result . Similar reduction of ( II ) gives ay - diphenylbutyric acid , m.p. 75 ° , also obtained by Clemmensen reduction of ( VI ) . ( III ) is hydrolysed ( EtOH - KOH ) to y ...
Trang 279
... acid , m.p. 71-72 ° , gives lactide and tiglic acid ( separated by distillation ) and a mixture , b.p. 74-77 ° / 10 mm . , whence by fractionation of the Ca salts were obtained angelic ( Ca salt , + 2H , O , more sol . in cold than in ...
... acid , m.p. 71-72 ° , gives lactide and tiglic acid ( separated by distillation ) and a mixture , b.p. 74-77 ° / 10 mm . , whence by fractionation of the Ca salts were obtained angelic ( Ca salt , + 2H , O , more sol . in cold than in ...
Trang 1349
... acid ( V ) ( iso- cinnamylideneacetic acid ) , m.p. 128 ° , and ( mainly ) the trans - trans - acid ( VI ) , m.p. 165 ° . Reduction ( Zn dust , Reduction ( Zn dust , 90 % MeOH ) of the Me ester of ( IV ) gives ( mainly ) the Me ester ...
... acid ( V ) ( iso- cinnamylideneacetic acid ) , m.p. 128 ° , and ( mainly ) the trans - trans - acid ( VI ) , m.p. 165 ° . Reduction ( Zn dust , Reduction ( Zn dust , 90 % MeOH ) of the Me ester of ( IV ) gives ( mainly ) the Me ester ...
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absorption Ac derivative Ac₂O acetate acid AcOH action activity adsorbed adsorption affords alcohol alkali Amer amount anilide approx atoms Biochem Biol blood calc catalytic CCl4 CH₂ Chem Chim chloride CHPh CO₂ CO₂H coeff colloidal colour compounds Compt conc concn const containing corr cryst crystals curves decomp decrease determined Diazotisation dissociation effect electrolytes electrons energy equilibrium ester ether EtOH extract formation formed gives glucose H₂ H₂O H₂SO heat hydrochloride hydrogen hydrolysis increase ions ketone liquid liver measured MeOH metabolism metal method mixture NaOH normal NUTR obtained oxidation oxidised oxime Pharm phenol PhOH Physical Rev Physiol pptd pptn prep presence pressure Proc protein proton reaction reduced rend salts semicarbazone solubility solution spectra spectrum structure substances titration vals vapour velocity viscosity whilst X-ray yield Zentr