Catalytic Asymmetric Mannich/Cyclization of 2‑Isothiocyanato-1-indanones: An Approach to the Synthesis of Bispirocyclic Indanone–Thioimidazolidine–Oxindoles - Zhao, Bo-Liang; Du, Da-Ming (Organic letters, 2018)
Keywords: chemical structure; Chemistry; Chemistry, Organic; cyclization reactions; enantioselectivity; isothiocyanates; Physical Sciences; Science & Technology; ISOTHIOCYANATO OXINDOLES; DOMINO REACTIONS; ENANTIOSELECTIVE SYNTHESIS; 3-ISOTHIOCYANATO OXINDOLES; CONSTRUCTION; BETA-KETO-ESTERS; MICHAEL ADDITION/CYCLIZATION; POLYCYCLIC SPIROOXINDOLES; HIGHLY EFFICIENT; CASCADE REACTION