British Abstracts: Pure chemistry and physiology. ser. A1943 |
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Trang 137
... followed by NaOH - MeOH into the corresponding primary alcohol ( I ) , m.p. 71 ° , from ( 4. ) which it is re - formed by oxidation with CrO3 . ( I ) CHCHO is converted by PBr , and C , H , N in CH , followed by Mg in Et2O into the ...
... followed by NaOH - MeOH into the corresponding primary alcohol ( I ) , m.p. 71 ° , from ( 4. ) which it is re - formed by oxidation with CrO3 . ( I ) CHCHO is converted by PBr , and C , H , N in CH , followed by Mg in Et2O into the ...
Trang 383
... followed by hydrolysis and esteri- fication ( CHN ) and of Me isoneoxanthobilirubate , m.p. 206 ° , from ( III ) and aldehydo - opsopyrrolecarboxylic acid ( V ) followed by HCl- MeOH . Et 23 : 4 - trimethylpyrrole - 5 - carboxylate in ...
... followed by hydrolysis and esteri- fication ( CHN ) and of Me isoneoxanthobilirubate , m.p. 206 ° , from ( III ) and aldehydo - opsopyrrolecarboxylic acid ( V ) followed by HCl- MeOH . Et 23 : 4 - trimethylpyrrole - 5 - carboxylate in ...
Trang 647
... followed by the greatest deceleration ; girls with lat . menarches experience the least acceleration followed by the leas deceleration . C. J. C. B. Influence of menstrual cycle on titre of circulating allergins . OC Hansen - Pruss and ...
... followed by the greatest deceleration ; girls with lat . menarches experience the least acceleration followed by the leas deceleration . C. J. C. B. Influence of menstrual cycle on titre of circulating allergins . OC Hansen - Pruss and ...
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absorption absorption spectra Acad acetate acid AcOH activity adsorption alkali Amer Anal analysis ation atoms boiling calc catalyst cellulose CHCI Chem chemical chloride CHPh CO₂ CO₂H coeff colour compounds Compt conc concn const containing converted corr cryst crystals curves decomp decreases derivatives described determined diazotised dioxan discussed effect electrolytes electron energy equilibrium ester ether EtOH formation formed Geol gives H₂ H₂O H₂SO heat hydrochloride hydrogen hydrolysed increases ionisation ions isomerised ketone lattice liquid measurements MeOH metal method methyl minerals mixtures NaOH obtained oxidation oxidised oxime particles phenols PhOH Physical Rev picrate polarisation polymerisation pptd pptn prep presence pressure reaction reagent reduced rend room temp salts semicarbazone solubility solution solvent spectra spectrum structure substances surface theory thermal titration vals vapour X-ray yield