TY - GENERIC DO - 10.20944/preprints202311.1370.v1 UR - http://dx.doi.org/10.20944/preprints202311.1370.v1 TI - Asymmetric Synthesis of Spiro[4H-Chromene-3,3′-oxindoles] via Squaramide-Organocatalyzed Three-Component Cascade Knoevenagel/ Michael/ Cyclization Sequence T2 - Preprints AU - Wang, Li ming AU - Mu, Hong wen AU - Sun, Yu hong AU - Jin, Ying AU - Zhang, Wei PY - 2023 DA - 2023/11/22 PB - Preprints