Abstract:N 1) B. 49, 1896 [1916]. x, Helv. chim. Acta 4, 212 [1921]. A. 496, 113 [1932]. 4) B. 66, 1183 [I932].0 ) Einen tfberblick habe ich a m 13. Marz 1920 in einem Vortrage vor der Gottinger Chemischen Gesellschaft gegeben. Hr. K. Freudenberg erhielt Ende Juli d. J . durch mich Kenntnis von useren Versuchen. 6, Dtsch. Reichs-Pat.-Anmeld. vom 22. Januar 1932. H. Wienhaus. 7 B. 84. 2899 [I9311. B. 66, 265 [1932]. B) B. 46, 1654, 2617 [I~IZ]; vergl. auch H. Staudinger, L. Hammet u. J . Siegwart, Helv. chim. Acta 4. 22… Show more
“…Investigations on the catalytic reduction of azides to primary amines were first started in 1913 (406). Since that time the use of only two catalysts, palladium and platinum oxide (248,254,255), has been reported.…”
“…Investigations on the catalytic reduction of azides to primary amines were first started in 1913 (406). Since that time the use of only two catalysts, palladium and platinum oxide (248,254,255), has been reported.…”
“…All salts of hydrazoic acid (with the exception of Fe(N3)3), as well as the acid itself, inhibit the catalytic decomposition of hydrogen peroxide by colloidal platinum (171,172,174). Colloidal palladium does not affect sodium azide solutions, but in the presence of hydrogen brings about reduction with evolution of nitrogen and ammonia (254). Hydrazoic acid is decomposed by ultra-violet light (111) to give a variety of products depending upon conditions.…”
“…Friedrich (13) improved the original apparatus, while Y'iebocV and Brecher (43) developed the volumetric procedure for determining the alkyl iodides. Two or more distillations must be made to be certain that all the alkyl iodide has been swept out of the reaction flask.…”
VOLUME 2 2, NO. 1, JANUARY 1950 185 method, and a sample containing 150 mg. of honey was used for the Quisumbing and Thomas method. The results are found in Table V.
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