1977
DOI: 10.1055/s-1977-24597
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Heterocyclohexa-2,5-diene durch Kaliumhydroxid/[18]-Crown-6-katalysierte Cycloadditionen von Arylphosphinen, Arylarsinen und Dialkylstannanen an Hexa-1,4-diyne

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Cited by 32 publications
(2 citation statements)
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“…Base-promoted addition of the As−H bond across the C⋮C triple bond in 2b ‘‘ concomitant with the formation of the five-membered chelate ring following the elimination of a CO unit results in the formation of E . Hydroarsinations of activated alkenes and alkynes have been reported by others …”
Section: Resultsmentioning
confidence: 64%
“…Base-promoted addition of the As−H bond across the C⋮C triple bond in 2b ‘‘ concomitant with the formation of the five-membered chelate ring following the elimination of a CO unit results in the formation of E . Hydroarsinations of activated alkenes and alkynes have been reported by others …”
Section: Resultsmentioning
confidence: 64%
“…Die Verbindung ist in Chloroform sehr gut loslich, nicht dagegen in Diethylether oder n-Pentan. 7 a Die chemische Verschiebung 6,lP von 7 liegt mit 16,658 ppm [lo] im Bereich der 1,4-Dihydro-li15-monophosphabenzole [ 121; fur 6'H der Methin-Wasserstoffatome ergibt sich 6,44 ppm. Die Multipletts der H-Atome bzw.…”
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