Organometallic Synthesis of Carbonyl Compounds

The organometallic synthesis of carbonyl compounds encompasses a broad array of methods that employ metal–carbon bonds to construct, modify or elaborate aldehydes, ketones, esters and related functionalities. Classical approaches rely on strongly nucleophilic reagents such as Grignard and organolithium reagents, which add to electrophilic carbonyl centres to generate alcohols or undergo further transformations to give ketones and esters. Transition-metal catalysis has expanded the repertoire to include cross-coupling protocols, conjugate additions to α,β-unsaturated systems, hydrogen-mediated reductive couplings and olefination reactions. Key mechanistic steps—oxidative addition, transmetallation and reductive elimination—enable the formation of C–C bonds with high regiocontrol and stereocontrol. Advances in ligand design and catalyst development have facilitated enantioselective variants and have improved functional-group tolerance, reducing reliance on protecting-group strategies. The global impact of these methodologies is evident in the streamlined synthesis of pharmaceuticals, agrochemicals and functional materials, while efforts in catalyst recycling and atom economy support more sustainable chemical manufacturing. Emerging synergies between organometallic catalysis and biocatalysis promise to further enhance selectivity and reduce environmental footprint.

Research from Nature Portfolio

No recent Nature Portfolio content available.

Organometallic Synthesis of Carbonyl Compounds publication trend

The graph below shows the total number of articles in organometallic synthesis of carbonyl compounds across all publications each year (not limited to Nature Index journals).

Technical terms

Organometallic reagent: A compound in which a carbon atom is directly bonded to a metal centre and that acts as a nucleophile or catalyst in C–C bond-forming reactions.

Grignard reagent: An organomagnesium halide used to add alkyl or aryl groups to carbonyl compounds, forming alcohols or further functionalised products.

Conjugate addition: A nucleophilic addition to the β-carbon of an α,β-unsaturated carbonyl compound, delivering C–C bonds with regiochemical control.

Silyl enol ether: A silicon-protected enolate equivalent employed in Mukaiyama aldol and related reactions to form C–C bonds under Lewis acid catalysis.

Tishchenko reaction: A metal alkoxide-catalysed disproportionation of aldehydes that yields esters via intramolecular hydride transfer.

Krische allylation: A catalytic, transfer-hydrogenative process that couples alcohols or aldehydes with unsaturated partners to form allylated carbonyl derivatives without stoichiometric organometallic reagents.

References

1. Asymmetric synthesis of a stereopentade fragment toward latrunculins. Beilstein Journal of Organic Chemistry (2023).
2. Ti(IV) Chloride-Promoted Diastereoselective Conjugate Addition of 1-Enoyl-5-substituted Hydantoins with Allyltrimethylsilane. International Journal of Organic Chemistry (2012).
3. Vinylogous Mukaiyama aldol reactions with 4-oxy-2-trimethylsilyloxypyrroles: relevance to castanospermine synthesis. Beilstein Journal of Organic Chemistry (2007).