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

The increasing importance of azaheterocyclic phosphonates in the agrochemical, synthetic,
and medicinal field has provoked an intense search in the development of synthetic routes …

A convenient synthetic approach for construction of a novel series of substituted azoles,
azines, azepines and pyrans clubbed with a morpholinothiazolidinone hybrid was achieved …

Novel fluorine substituted α-amino phosphonic acids containing 1, 2, 4-triazin-5-one (6a-f)
have been obtained from fluoroacylation of 6-(2′-amino-5′-nitrophenyl)-3-thioxo-1, 2, 4 …

A convenient synthetic approach leading to a series of novel substituted azoles, azines, and
azepines linked to the α-aminophosphonate moiety was achieved. The methodology …

A fast, mild, and efficient catalyst-free approach has been developed for the synthesis of
chromonyl-substituted α-aminophosphine oxides by the three-component reaction of 3 …

Novel chromonyl phosphonic acid 3, diethyl chromonyl phosphonate 4, and diethyl
chromonyl pyridinyl phosphonate 5 were obtained from treatment of 2-cyano-3-(4-oxo-4 H …

Unexpected routes to synthesize functionalized benzoxocinones and heteroannulated
pyranochromenes were achieved via transformations of the\gamma-pyrone ring in …

This review reports the developed methods for the synthesis of polyfunctional 1, 2, 4-triazine
systems bearing and/or containing phosphorus atoms as donor-acceptors interactions. Most …

The chemical reactivity of 6, 8‐dibromo‐7‐hydroxychromone‐3‐carboxaldehyde (1) was
studied towards some nitrogen nucleophilic reagents such as heterocyclic amines, 1, 2‐N, N …