2015
DOI: 10.1002/ejoc.201403479
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Benzoyl Peroxide Promoted Radical ortho‐Alkylation of Nitrogen Heteroaromatics with Simple Alkanes and Alcohols

Abstract: A catalytic amount of benzoyl peroxide (BPO)-initiated crossdehydrogenative coupling reaction of N-iminopyridine ylides with simple alkanes and alcohols leads to the corresponding

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Cited by 50 publications
(23 citation statements)
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“…(1)]. [60] Thedirect alkylation of nonfunctionalized pyridines and related azines could also be promoted with cyclic and acyclice thers (as well as with some cyclic alkanes) by using K 2 S 2 O 8 as an oxidant. When starting from N-iminopyridine ylides,2 -alkylpyridine derivatives could be obtained by using simple alkanes or alcohols and benzoyl peroxide as the oxidant.…”
Section: Alkylation By Cross-dehydrogenative Coupling With Alkanes Ementioning
confidence: 99%
See 1 more Smart Citation
“…(1)]. [60] Thedirect alkylation of nonfunctionalized pyridines and related azines could also be promoted with cyclic and acyclice thers (as well as with some cyclic alkanes) by using K 2 S 2 O 8 as an oxidant. When starting from N-iminopyridine ylides,2 -alkylpyridine derivatives could be obtained by using simple alkanes or alcohols and benzoyl peroxide as the oxidant.…”
Section: Alkylation By Cross-dehydrogenative Coupling With Alkanes Ementioning
confidence: 99%
“…When starting from N-iminopyridine ylides,2 -alkylpyridine derivatives could be obtained by using simple alkanes or alcohols and benzoyl peroxide as the oxidant. [60] Thedirect alkylation of nonfunctionalized pyridines and related azines could also be promoted with cyclic and acyclice thers (as well as with some cyclic alkanes) by using K 2 S 2 O 8 as an oxidant. [61][62][63] The same oxidant could also be used to promote the direct alkylation of pyridine N-oxides with cyclic ethers by using copper(II) oxide as ac atalyst.…”
Section: Alkylation By Cross-dehydrogenative Coupling With Alkanes Ementioning
confidence: 99%
“…Substitution at the C2‐position appears to be essential to avoid double alkylation. When starting from N ‐iminopyridine ylides, 2‐alkylpyridine derivatives could be obtained by using simple alkanes or alcohols and benzoyl peroxide as the oxidant . The direct alkylation of nonfunctionalized pyridines and related azines could also be promoted with cyclic and acyclic ethers (as well as with some cyclic alkanes) by using K 2 S 2 O 8 as an oxidant .…”
Section: Alkylation Of Heteroarenesmentioning
confidence: 99%
“…[78] Es wird angenommen, dass ein Nebenprodukt der N-N-Bindungsspaltung in der Lage ist, ein Wasserstoffatom des Alkans,E thers oder Alkohols zu abstrahieren und so die Reaktion voranzutreiben und daher nur 30 mol %d es Peroxids bençtigt werden. [78] Es wird angenommen, dass ein Nebenprodukt der N-N-Bindungsspaltung in der Lage ist, ein Wasserstoffatom des Alkans,E thers oder Alkohols zu abstrahieren und so die Reaktion voranzutreiben und daher nur 30 mol %d es Peroxids bençtigt werden.…”
Section: Angewandte Chemieunclassified
“…Mit 2-Phenylpyridin als Substrat wird dahingegen Selektivitätf ürd ie 4-Position beobachtet. Die Autoren berichten, dass die alternativen Regioisomere oder Doppeladditionsprodukte in ihren Experimenten nicht isoliert werden konnten.Im selben Jahr zeigten Wang und Mitarbeiter,d ass Benzoylperoxid als Initiator in der Alkylierung von N-Iminopyridinyliden genutzt werden kann (siehe Schema 22 füre in repräsentatives Beispiel) [78]. Es wird angenommen, dass ein Nebenprodukt der N-N-Bindungsspaltung in der Lage ist, ein Wasserstoffatom des Alkans,E thers oder Alkohols zu abstrahieren und so die Reaktion voranzutreiben und daher nur 30 mol %d es Peroxids bençtigt werden.…”
unclassified