Coherent Identifier About this item: 20.500.12592/3ccqbm

Journal of the Indian Chemical Society March 1933

1933

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Summary

The Report on the Progress of Stereochemistry in India together with some Relevant Remarks on the Significance of the Doctrine of Symmetry.—By Bawa Kartar Singh... [...] Recent work by Yelburgi and Wite ger (notiiinttnicated to this Journal) has shown that the unsaturated formula if.: ( ori.(AA with compounds of this typo and here the hydrogen analysis definitely favours the unsaturated formula.108 A. N. MELDRUM AND A. U. ADVANI The fact that the monoacetyl derivative and its reduction product cannot be converted into a nitrosoamine and that the reduction of the [...] In the case of 2 :4 -dinitrochlorobenzone the yield of the amine was 70%. 2 : 6-Dinitrohlorohenzeno and urca.—On heating an intimate mixture of the above chlorobenzene derivative with large excess of urea as in the previous case 2 :0-dinitroaniline was formed which was separated and purified as before ; yellow needles m. p. 158° yield (36%.. [...] In the case of alcohol it is approximately 82° in the case of glycerol 100° in the case of acetic acid 110° and in the case of water 80-85°. [...] The reactions of urea with various bases in acetic acid solution arc usually supposed to be due to the direct elimination of two molcules of ammonia from one molecule of urea and two of the base.

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technology medicine science

Pages
74
SARF Document ID
sarf.120026

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