2005
DOI: 10.1016/j.tetasy.2005.08.002
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Microwave-assisted ethylene–alkyne cross-metathesis: synthesis of chiral 2-(N-1-acetyl-1-arylmethyl)-1,3-butadienes

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Cited by 32 publications
(17 citation statements)
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“…A µW-assisted ethylene/alkyne CM was reported for the preparation of both enantiomers of 2-(1-acetylamino-1-arylmethyl)-1,3-butadienes (Scheme 10). [28] Under 1 atm of ethylene and classical conditions (various temperatures and solvents), no CM diene product 22 could be detected. However, under µW irradiation the reaction proved possible providing at least 10 mol-% of the G-II catalyst was used and the expected dienes could be isolated with complete retention of their optical activity.…”
Section: Microwave-assisted Cross-metathesismentioning
confidence: 96%
“…A µW-assisted ethylene/alkyne CM was reported for the preparation of both enantiomers of 2-(1-acetylamino-1-arylmethyl)-1,3-butadienes (Scheme 10). [28] Under 1 atm of ethylene and classical conditions (various temperatures and solvents), no CM diene product 22 could be detected. However, under µW irradiation the reaction proved possible providing at least 10 mol-% of the G-II catalyst was used and the expected dienes could be isolated with complete retention of their optical activity.…”
Section: Microwave-assisted Cross-metathesismentioning
confidence: 96%
“…[58] In letzter Zeit wurden ähnliche EthylenAlkin-Kreuzmetathesen zur Synthese einer Vielzahl von 1,3-Dien-haltigen Produkten verwendet. [59] 6.2. Ethylen in Tandemreaktionen aus Ringschluss-/ Ringçffnungs-Eninmetathesen Wird ein cyclisches Alken an das Alkinsubstrat addiert, wie z.…”
Section: Ausbeuten Erhalten (Schema 22)unclassified
“…A procedure for microwave-assisted ethylene-alkyne cross-metathesis for the synthesis of (2R)-or (2S)-2-(N-acetyl-1-arylmethyl)-1,3-butadienes from the respective alkynes has been developed (Scheme 11.15) [51]. Related structural motifs have been identified as biologically active.…”
Section: Reactions With Ethylene and Propynementioning
confidence: 99%