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Palladium-catalyzed synthesis of α,β-unsaturated ketones from ketones via allyl enol carbonates

✍ Scribed by Isao Shimizu; Ichiro Minami; Jiro Tsuji

Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
215 KB
Volume
24
Category
Article
ISSN
0040-4039

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✦ Synopsis

Ally1 enol carbonates, prepared by quenching ketone enolates with ally1 chloroformate, are converted to a,&unsaturated ketones with Pd(OAc)2-dppe catalyst in CH3CN.

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Palladium-catalyzed allylation of ketone
Palladium-catalyzed allylation of ketones and aldehydes via allyl enol carbonates
✍ Jiro Tsuji; Ichiro Minami; Isao Shimizu 📂 Article 📅 1983 🏛 Elsevier Science 🌐 French ⚖ 193 KB

Rearrangement of ally1 enol carbonates, prepared from ketones or aldehydes by trapping their enolates with ally1 chloroformate, to give e-ally1 ketones or aldehydes regioselectively is catalyzed by palladium-phosphine complexes under mild condtions.

One-step synthesis of α,β-unsaturated ke
One-step synthesis of α,β-unsaturated ketones by the reaction of enol acetates with allyl methyl carbonate catalyzed by palladium and tin compounds
✍ Jiro Tsuji; Ichiro Minami; Isao Shimizu 📂 Article 📅 1983 🏛 Elsevier Science 🌐 French ⚖ 115 KB

Enol acetates derived from saturated ketones are converted to a,&unsaturated ketones by heating with ally1 methyl carbonate in MeCN by bimetallic catalysis of palladiumphosphine complex and tin methoxide. Conversion of saturated ketones to corresponding a,&unsaturated ketones is an important synthet