138748-01-3

Upstream product

• 61380-85-6 6-phenyl-3-cyano-4-methylsulfanyl-2H-pyran-2-one 
• 110-89-4 piperidine 
• 124-42-5 acetamidine hydrochloride 
• 94835-37-7 4-piperidino-3-cyano-2H-pyran-2-one 
• 185245-65-2 3-methylthio-3-N-piperidino-1-phenyl-2-propen-1-one 
• 138747-72-5 β-lithioaminocrotonitrile 

Relevant academic research and scientific papers

An efficient substituent dependent synthesis of congested pyridines and pyrimidines

An efficient and versatile synthesis of various congested pyridines 3a-h, 6a,b, 8a-n, 10a-g, and 16a,b, and (pyrimidin-4-yl)acetonitriles 13a-g has been delineated by base catalyzed ring transformation of suitably functionalized 2H-pyran-2-ones 1a-h, 5, 7

Cyclocondensation of α-oxoketene N,S-acetals with β-lithioamino-β-substituted acrylonitriles: A facile route to 2,6-substituted 4-amino-3-cyanopyridines

A novel synthesis of a variety of 2,6-substituted and 3-cyano-4-dialkylamino-2,6-diheteroarylpyridines (4-dialkylamino≡pyrrolidin-1-yl, piperidino, morpholino, diethylamino and N-methylanilino; 6-heteroaryl≡phenyl, anisyl, 2-thienyl; 2-heteroaryl≡methyl,