124468-87-7Relevant academic research and scientific papers
Intramolecular Asymmetric Lactonization Using Optically Active 1,2-Diphenylethylenediamine as a Chiral Auxiliary
Baba, Naomichi,Sakamoto, Akio,Mimura, Mitsuo,Yamamoto, Yukio,Uchida, Katsuhiro,Oda, Jun'ichi
, p. 889 - 892 (1989)
Intramolecular asymmetric lactonizations of two cyclic hydroxydiamides bearing (R,R)-1,2-diphenylethylenediamine as a chiral auxiliary were performed by the use of trifluoroacetic acid as an acid catalyst.The reactions proceeded smoothly at r.t. affording
