1950
DOI: 10.1002/jlac.19505670107
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Zur Kenntnis des „dreiwertigen”︁ Kohlenstoffs XXII: Tetraalphyl‐diphenyläthane

Abstract: Z i e g l e r m d D e p a r a d e 123Daraus 1,4-l)iene in der Kette: 4,660/,. Ziegler, Grimm und Willer fanden fur -KO"-Produkte 8% 1,4-Rutadiene, was in Anbetracht der Natur der beiden im Vergleich stehenden Methoden wiederum als eine gute Ubereinstimmung bezeichnet werden dad.Die Temperaturregel der genannten 3 Autoren ist somit auch nach tlem Verfahren der oxydimetrischen Titration bestatigt worden.Das Titrationsverfahren wurde dann auf zwei bei + 80° bzw. + 50" durch Radjkalanregung (mit Azo-isobuttersiiur… Show more

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Cited by 26 publications
(1 citation statement)
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“…However, Walling 16 pointed out that at 60°C the decomposition rate measured by DPPH was approximately 70 % of that measured by nitrogen evolution, so that not all the radicals generated from AZDN react with DPPH, but some recombine with their original partners by a "cage" reaction. Moreover, when AZDN decompxes in the presence of chloranil 10 and iodine 17 appreciable amounts of tetramethyl succinodinitrile are formed. Bevington18 proved directly that DPPH does not react with all the radicals produced in the decomposition of AZDN, by decomposing C14-AZDN in oxygen-free benzene solution in the presence of excess DPPH.…”
Section: Cn Cnmentioning
confidence: 99%
“…However, Walling 16 pointed out that at 60°C the decomposition rate measured by DPPH was approximately 70 % of that measured by nitrogen evolution, so that not all the radicals generated from AZDN react with DPPH, but some recombine with their original partners by a "cage" reaction. Moreover, when AZDN decompxes in the presence of chloranil 10 and iodine 17 appreciable amounts of tetramethyl succinodinitrile are formed. Bevington18 proved directly that DPPH does not react with all the radicals produced in the decomposition of AZDN, by decomposing C14-AZDN in oxygen-free benzene solution in the presence of excess DPPH.…”
Section: Cn Cnmentioning
confidence: 99%