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Convenient ultrasound mediated synthesis of substituted pyrazolones under solvent-free
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A series of novel 2H, 4H-dihydro-pyrano [2, 3-c] pyrazoles and 1H, 4H-dihydro-pyrano-[2, 3-
c] pyrazoles were synthesized with aromatic aldehydes obtained from lignin and in vitro …

A remarkable efficient double crossed aldol condensation of heterocyclic ketones with a
variety of aromatic aldehydes is described at room temperature in the presence of …

New heterocyclic compounds containing pyrazol‐5‐one coupled with benzimidazole,
benzothiazole, benzoxazole, quinoline, naphthyridin, and pyrazole were synthesized …

Dihydropyridines are well-known calcium channel blockers, but variations in the substituents
attached to the ring have resulted in their role reversal making them calcium channel …

Crossed aldol condensation of homocyclic ketones 1a-b with aldehydes [1] is a useful
method for the preparation of bis (arylmethylidene) cycloalkanones which are very important …

A remarkably efficient double‐crossed aldol condensation of tetrahydropyran‐4‐one with a
variety of aromatic aldehydes is described at room temperature in the presence of …

The first procedure for the synthesis of novel bisarylmethylidenes of cyclohex‐2‐enone
structures is described at room temperature using a mild medium consisting of anhydrous …

The one pot and facile condensation reaction of 5-chloro-3-methyl-1-phenylpyrazole-4-
carboxaldehyde 1, 5-azido-3-methyl-1-phenylpyrazole-4-carboxaldehyde 2 with triacetic …