95444-18-1

Upstream product

• 1896-62-4 (E)-benzalacetone 
• 122-57-6 1-Phenylbut-1-en-3-one 

Downstream Products

• 1346619-07-5 2-(3-methyl-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)-6-phenyl-4H-1,3-thiazin-4-one 
• 1346619-08-6 C₁₄H₁₃N₃OS 
• 1346619-13-3 C₁₆H₁₅N₃O₃S 

Relevant academic research and scientific papers

One-pot syntheses of 2-pyrazoline derivatives

Hydrazinediium dithiocyanate and α,β-unsaturated ketones give in one-pot reactions 1-thiocarbamoyl-2-pyrazolines and 1-formyl-2-pyrazolines. The syntheses of pyridine-2-thiones, pyrimidine-2-thiones and bicyclo[2.2.2]octan-2-ones from ammonium thiocyanates and ketones by analogous procedures are reviewed. The mechanisms of the ring formations are discussed. Crystal structure analyses of a 1-thiocarbamoyl- and a 1-formyl-2-pyrazoline are given.