Asymmetric Synthesis of Spirocyclopentane Oxindoles Containing Four Consecutive Stereocenters and Quaternary α‑Nitro Esters via Organocatalytic Enantioselective Michael–Michael Cascade Reactions

• Prakash D. Chaudhari,
• Bor-Cherng Hong,
• Chao-Lin Wen,
• Gene-Hsiang Lee

Affiliations

Prakash D. Chaudhari

Department of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi, Taiwan, ROC

Bor-Cherng Hong

Department of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi, Taiwan, ROC

Chao-Lin Wen

Department of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi, Taiwan, ROC

Gene-Hsiang Lee

Instrumentation Center, National Taiwan University, Taipei, Taiwan, ROC