https://pubs.rsc.org/en/content/articlelanding/2020/cc/d0cc04820h
Asymmetric synthesis of benzothiazolopyrimidines with high catalytic efficiency and...
An efficient formal [4+2] annulation between 2-benzothiazolimines and allenoates mediated by an amino acid-derived bifunctional phosphonium salt catalyst is...
asymmetric synthesishighcatalyticefficiency