Conjugated and non‐conjugated allenones appear as recurring motifs in organic synthesis,
natural products and mechanistic investigations showing unique properties and …

Background: Due to significant biological activity associated with N-, O-and S-heterocycles,
a number of reports for their synthesis have appeared in recent decades. Traditional …

Smooth moves with a nifty side step: A gold‐catalyzed transformation of α‐(2‐indolyl)
propargylic alcohols with imines in the presence of the oxidant 8‐isopropylquinoline N …

In recent decades, a large number of reports related to synthesis of N, O and S containing
heterocycles have appeared owing to a wide variety of their biological activity. We need a …

Due to significant biological activity associated with N-, O-and S-heterocycles, a number of
reports for their synthesis have appeared in recent decades. Traditional approaches require …

Highly efficient catalytic asymmetric Claisen rearrangements of O‐propargyl β‐ketoesters
and O‐allyl β‐ketoesters have been accomplished under mild reaction conditions. In the …

A cascade Claisen rearrangement of a well‐organized maltol propargyl ether for the
construction of polysubstituted salicylaldehydes is reported. This reaction features high atom …

Carboacylation of an unsaturated bond represents a powerful transformation. However, only
a few examples of carboacylation of alkyne have been reported through C–C bond scission …

N‐aryl γ‐lactams react intermolecularly with acceptor–acceptor diazo reagents, usually
dicarbonyl compounds, in a copper‐catalyzed process to yield functionalized pyrrolidines …

The possibility of functionalization of 2-(polyfluorophenyl)-4 H-chromen-4-ones, with them
having different numbers of fluorine atoms, with 1, 2, 4-triazole or imidazole under conditions …