Green Method To Preparing Oxindole-Fused Spirotetrahydrofuran Scaffolds through Methanesulfonic Acid-Catalyzed Cyclization Reactions of 3‑Allyl-3-hydroxy-2-oxindole in Water

• Jie-Huan Zhang,
• Ru-Bing Wang,
• De-Feng Li,
• Li-Ming Zhao

Affiliations

Jie-Huan Zhang

School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, Jiangsu, China

Ru-Bing Wang

State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China

De-Feng Li

School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, Jiangsu, China

Li-Ming Zhao

School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, Jiangsu, China