1990
DOI: 10.1021/jo00295a047
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A new version of the Peterson olefination using bis(trimethylsilyl)methyl derivatives and fluoride ion as catalyst

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Cited by 79 publications
(27 citation statements)
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“…Additionally, we have performed Peterson olefinations19 of the biphenyls 9 a , 9 e , and 9 j by using benzaldehyde ( 14 a ), 3,4,5‐trimethoxybenzaldehyde ( 14 b ), or thiophene‐2‐carbaldehyde ( 14 c , 1.2 equiv) in the presence of 10 % tetra‐ n ‐butylammonium fluoride (TBAF)20 in THF (−20 °C, 15 min), leading to the stilbene derivatives 15 a–c (>99 % E ) in 62–98 % yield (Scheme ).…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Additionally, we have performed Peterson olefinations19 of the biphenyls 9 a , 9 e , and 9 j by using benzaldehyde ( 14 a ), 3,4,5‐trimethoxybenzaldehyde ( 14 b ), or thiophene‐2‐carbaldehyde ( 14 c , 1.2 equiv) in the presence of 10 % tetra‐ n ‐butylammonium fluoride (TBAF)20 in THF (−20 °C, 15 min), leading to the stilbene derivatives 15 a–c (>99 % E ) in 62–98 % yield (Scheme ).…”
Section: Methodsmentioning
confidence: 99%
“…Thus, the biphenyls 9 c and 9 k provided, after treatment with CAN (5 equiv), the corresponding aldehydes 12 a and b in 76 and 92 % yield, respectively (Scheme 6). Additionally, we have performed Peterson olefinations [19] of the biphenyls 9 a, 9 e, and 9 j by using benzaldehyde (14 a), 3,4,5-trimethoxybenzaldehyde (14 b), or thiophene-2-carbaldehyde (14 c, 1.2 equiv) in the presence of 10 % tetra-n-butylammonium fluoride (TBAF) [20] in THF (À20 8C, 15 min), leading to the stilbene derivatives 15 a-c (> 99 % E) in 62-98 % yield (Scheme 7).…”
Section: Entry Substratementioning
confidence: 99%
“…5 The efficient transformation of enolizable ketones and aldehydes under these conditions, as opposed to the lithium naphthalenide reduction process, aptly demonstrates this fact. Conjugate Addition.…”
Section: Phchomentioning
confidence: 97%
“…[24] Ebenso erfolgt keine Metallierung in Position 6, da diese Position weniger durch die Lewis-Säure aktiviert ist (induktiver Effekt). Peterson-Olefinierung von 15 d mit Benzaldehyd in Gegenwart von 10 % TBAF [29] führt zum Stilbenderivat 20 in 93 % Ausbeute. [1][2][3][4][5].…”
Section: Angewandte Zuschriftenunclassified
“…Oxidation der Bis(trimethylsilyl)methyl-Gruppe des Pyrazins 15 d mit Cerammoniumnitrat (CAN) [28] ergibt den Aldehyd 19 in 93 % Ausbeute. Peterson-Olefinierung von 15 d mit Benzaldehyd in Gegenwart von 10 % TBAF [29] führt zum Stilbenderivat 20 in 93 % Ausbeute. Des Weiteren ist die (TMS) 2 CH-Gruppe auch kompatibel mit NaOtBu als Base in einer Pd-katalysierten Anellierung, die kürzlich von You et al entdeckt wurde.…”
Section: Nr Substratunclassified