Heterocycles form, by far, the largest of the classical divisions of organic chemistry.
Moreover, they are of immense importance not only biologically and industrially but also to …

More Sustainable Approaches for the Synthesis of N-Based Heterocycles | Chemical Reviews
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The cyclocondensation of suitable CH‐acidic carbonyl compounds, aldehydes, and urea‐
type blocks under acidic conditions provides multifunctionalized derivatives. The discovery …

One of the largest classes of organic molecules are dihydropyrimidines and its derivatives.
They are widely used in a variety of pharmacological and industrial applications. Their …

With the emergence of high‐throughput screening in the pharmaceutical industry over a
decade ago, synthetic chemists were faced with the challenge of preparing large collections …

The three-component Biginelli reaction for the synthesis of dihydropyrimidinone and
corresponding dihydropyrimidinethiones (DHPMs) has been known for more than a century …

The clinical significance of pyran and pyrimidine condensed systems and the raise in
problem of multidrug resistant bacterial pathogens has directed us to synthesize …

Chromones are widely recognized as an important class of biologically active compounds of
both natural and synthetic origin. 1 e8 The less known but very useful application of the …

Two general methods for the synthesis of 2-imino-5-carboxy-3, 4-dihydropyrimidines were
developed using the three-component Biginelli reaction. The first method utilizes pyrazole …

The development of new strategies for the synthesis of fused heterocycles has remained a
highly attractive but challenging proposition. An overview of the application of microwave …