1248337-36-1Relevant articles and documents
Catalytic asymmetric synthesis of both enantiomers of 4-substituted 1,4-Dihydropyridines with the use of bifunctional Thiourea-Ammonium salts bearing different counterions
Yoshida, Kohzo,Inokuma, Tsubasa,Takasu, Kiyosei,Takemoto, Yoshiji
, p. 8305 - 8326 (2011/03/17)
Organoammonium salts composed of a Bronsted acid and an anilinothiourea promoted the Michael addition of β-keto esters and α,β-unsaturated aldehydes in the presence of primary amines to give functionalized 1,4-dihydropyridines enantioselectively. With the