2002
DOI: 10.1070/mc2002v012n05abeh001640
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Allylboration of nitrosobenzene

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Cited by 9 publications
(9 citation statements)
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References 7 publications
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“…For example, the adduct 24 was obtained in 96 % isolated yield after 16 h at r. t. in methanol (Scheme ). It is noteworthy that the addition only occurred on the nitrogen atom, contrary to that which was usually observed for other allyl boronates . Unfortunately, it was not possible to obtain a single crystal of 24 .…”
Section: Resultsmentioning
confidence: 86%
“…For example, the adduct 24 was obtained in 96 % isolated yield after 16 h at r. t. in methanol (Scheme ). It is noteworthy that the addition only occurred on the nitrogen atom, contrary to that which was usually observed for other allyl boronates . Unfortunately, it was not possible to obtain a single crystal of 24 .…”
Section: Resultsmentioning
confidence: 86%
“…In der Literatur finden sich bislang lediglich zwei Berichte über diese Art der Reaktion. [14] Obwohl Triallylboran unselektiv am N und am O reagiert, [14a] wurde berichtet, dass die entsprechende Allylierung mit Allylboronaten durch OAllylierung und anschließende N-O-Bindungsspaltung allylische Alkohole als Hauptprodukte liefert.…”
unclassified
“…In der Literatur finden sich bislang lediglich zwei Berichte über diese Art der Reaktion. [14] Die direkte Allylierung von Aldehyden und Iminen hat sich zu einer hocheffizienten Methode zur enantioselektiven C-C-Bindungsknüpfung entwickelt. [15] Neben Allyl-Metall-Verbindungen haben Allylboronate dabei besondere Aufmerksamkeit erlangt.…”
unclassified
“…Considering the isoelectronic relationship between the nitroso group and carbonyl groups, we were prompted to study the reaction between nitrosobenzene and allyl boronates. While a single example by Bubnov describes the reaction between nitrosobenzene and highly reactive triallyborane, a number of critical issues remain unaddressed 10. First, it is not clear whether the diminished electrophilicty of boronic esters relative to boranes will impede the reaction.…”
mentioning
confidence: 99%
“…While a single example by Bubnov describes the reaction between nitrosobenzene and highly reactive triallyborane, a number of critical issues remain unaddressed. 10 relative to boranes will impede the reaction. Second, with substituted allylic boronates, it is not readily apparent whether the reaction with nitrosobenzene will occur with allylic transposition as occurs with carbonyls or by coordination and subsequent 1,2 alkyl migration as occurs in the reaction between organoboranes and many reagents.…”
mentioning
confidence: 99%