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obtained in 73.5 % yield from the crude reaction product ; Wolff - Kishner reduction fails ] , hydrolysed by boiling N- 169.5-170 ° , H2SO , to 4 - hydroxy - 2 - naphthaldehyde , m.p. which with H2 - Cu chromite in abs .
obtained in 73.5 % yield from the crude reaction product ; Wolff - Kishner reduction fails ] , hydrolysed by boiling N- 169.5-170 ° , H2SO , to 4 - hydroxy - 2 - naphthaldehyde , m.p. which with H2 - Cu chromite in abs .
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saturated with HCl 21-49 % of ( A ) is obtained after 5-10 min . , but after 36 hr . only a trace of ( A ) and 75 % of RCN are formed . When the HCl formed in the reaction ( without HCl added ) is removed by a strong base ( NEt ...
saturated with HCl 21-49 % of ( A ) is obtained after 5-10 min . , but after 36 hr . only a trace of ( A ) and 75 % of RCN are formed . When the HCl formed in the reaction ( without HCl added ) is removed by a strong base ( NEt ...
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Frac- tionation of lignin and other polymerides . E. L. Lovell and H. Hibbert ( J. Amer . Chem . Soc . , 1941 , 63 , 2065-2070 , 2070-2073 ; cf. A. , 1940 , II , 378 ) .- LI . The amorphous material obtained by ethanolysis of maple wood ...
Frac- tionation of lignin and other polymerides . E. L. Lovell and H. Hibbert ( J. Amer . Chem . Soc . , 1941 , 63 , 2065-2070 , 2070-2073 ; cf. A. , 1940 , II , 378 ) .- LI . The amorphous material obtained by ethanolysis of maple wood ...
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General Physical and Inorganic Chemistry I II Subatomics | 1 |
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absorption Acad acid activation energy activity adsorbed adsorption alloys Amer analysis approx ation atoms bands calc catalyst Chem chemical CO₂ coeff colloidal compounds Compt concn const containing crystal curves decomp decreases deposits described determined deuterons diffraction diffusion discussed effect electrolytes electron emission energy entropy equation equilibrium EtOH ferromagnetic films formation formed glass H₂ H₂O heat hydrogen hysteresis increases indicate Instr intensity ionisation ions Kolloid lattice layer liquid magnetic Me.v measured mesons mesotrons metals method minerals mixtures monoclinic neutrons observed obtained oxidation particles PhOH Phys Physical Chem Physical Rev polarisation potential presence pressure Proc protons quartz radioactive reaction Russ salts Shurn solid solid solutions sols solubility solutions solvent spectra spectrum structure surface temp theory thermal titration unit cell vals vapour velocity viscosity X-ray