875628-14-1Relevant academic research and scientific papers
Synthesis of an enantiocomplementary catalyst of β-isocupreidine (β-ICD) from quinine
Nakano, Ayako,Ushiyama, Mina,Iwabuchi, Yoshiharu,Hatakeyama, Susumi
, p. 1790 - 1796 (2005)
Compound 20, a pseudoenantiomer of β-isocupreidine (β-ICD), was synthesized from quinine employing a Barton reaction of nitrosyl ester 13 and acid-catalyzed cyclization of carbinol 18 as key steps. The Baylis-Hillman reaction of benzaldehyde, p-nitrobenza
α-isocupreine, an enantiocomplementary catalyst of β-isocupreidine
Nakamoto, Yoshito,Urabe, Fumiya,Takahashi, Keisuke,Ishihara, Jun,Hatakeyama, Susumi
supporting information, p. 12653 - 12656 (2013/10/01)
Complementary chemistry! α-Isocupreine (α-ICPN) was synthesized for the first time in one step from quinine by treatment with CF 3SO3H (see scheme). This compound serves as an enantiocomplementary catalyst to β-isocupreidine (β-ICD)
β-Isocupreidine-hexafluoroisopropyl acrylate method for asymmetric Baylis-Hillman reactions
Nakano, Ayako,Kawahara, Sakie,Akamatsu, Saori,Morokuma, Kenji,Nakatani, Mari,Iwabuchi, Yoshiharu,Takahashi, Keisuke,Ishihara, Jun,Hatakeyama, Susumi
, p. 381 - 389 (2007/10/03)
Key features of the β-isocupreidine (β-ICD)-catalyzed asymmetric Baylis-Hillman reaction of aldehydes with 1,1,1,3,3,3-hexafluoroisopropyl acrylate (HFIPA) are presented. In addition, an improved method using azeotropically dried β-ICD is described.
