1975
DOI: 10.1002/ange.19750870802
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Chemie der Phosphorylcarbene

Abstract: Phosphorylcarbene sind erst in den letzten Jahren bei synthetischen Versuchen auf dem Gebiet der Phosphoryldiazoalkane bekannt geworden. Ihr praparativer Wert besteht zum einen in der Einfiihrung von Phosphorylgruppen in organische Verbindungen, etwa bei der Phosphorylcyclopropanierung von Alkenen oder Arenen und der Phosphorylcyclopropenierung von Alkinen; zum anderen gehen die Phosphorylcarbene leicht Umlagerungen ein: Hydrid-, Alkyl-, Aryl-und Acylverschiebungen fuhren zu phosphorylierten Alkenen. Die Phosp… Show more

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Cited by 49 publications
(7 citation statements)
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“…[603] Some α-diazo-β-oxophosphane oxides 856 undergo Wolff-type PǞC shifts (856 Ǟ 857) and CǞC shifts (856 Ǟ 855) competitively (Scheme 88). [594,596] With R ϭ Ph, the PǞC shift dominates by a ratio of ഠ 4:1, as shown by the yields of esters 858 and 859 (Table 12). The effect of p-substituents conforms with expectation while bulky aryl groups tend to minimize the PǞC shift.…”
Section: α-Diazophosphane Oxides -Phosphinates and Related Substratesmentioning
confidence: 98%
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“…[603] Some α-diazo-β-oxophosphane oxides 856 undergo Wolff-type PǞC shifts (856 Ǟ 857) and CǞC shifts (856 Ǟ 855) competitively (Scheme 88). [594,596] With R ϭ Ph, the PǞC shift dominates by a ratio of ഠ 4:1, as shown by the yields of esters 858 and 859 (Table 12). The effect of p-substituents conforms with expectation while bulky aryl groups tend to minimize the PǞC shift.…”
Section: α-Diazophosphane Oxides -Phosphinates and Related Substratesmentioning
confidence: 98%
“…[594] Spectroscopic evidence for the generation of phosphenes from 844 has not been reported, although Scheme 87. Generation of phosphenes from α-diazophosphinoxides some persistent species were prepared by different routes.…”
Section: α-Diazophosphane Oxides -Phosphinates and Related Substratesmentioning
confidence: 99%
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