Pyrazole is an essential structural component of many pharmaceuticals and agrochemicals.
The synthesis of pyrazoles has been a subject of intense research for several decades …

Multicomponent reactions (MCRs) are one of the most important processes for the
preparation of highly functionalized organic compounds in modern synthetic chemistry. As …

The compounds characterized by the presence of a λ5-phosphorus functionality at the α-
position with respect to the diazo moiety, here referred to as λ5-phosphorus-containing α …

Electrochemical synthesis of polysubstituted sulfonated pyrazoles from enaminones and
sulfonyl hydrazides was established under metal-free, exogenous-oxidant-free, and mild …

A new method has been developed for the catalytic enantioselective 1, 3-dipolar
cycloaddition of the Seyferth–Gilbert reagent (SGR) to isatylidene malononitriles using a …

A transition metal-free method for de novo construction of diverse sulfonated pyrazoles from
readily available sulfonyl hydrazides, 1, 3-diketones, and sodium sulfinates was established …

A simple and convenient molecular iodine-catalyzed direct sulfonylation of pyrazolones with
sodium sulfinates has been developed in the presence of TBHP at room temperature. This …

Abstract The Bestmann–Ohira reagent is a unique and versatile reagent in organic
synthesis. It is a well‐known homologating agent for the conversion of aldehydes into the …

An efficient, three-component domino reaction between aldehydes, amines, and the
Bestmann–Ohira reagent is reported that enables a general, mild, and straightforward …

Dipolar cycloaddition of diazo compounds with olefinic substrates is a promising atom‐
economic strategy for the construction of functionalized pyrazoles. Over the last few years …