Expedient synthesis of E-hydrazone esters and 1H-indazole scaffolds through heterogeneous single-atom platinum catalysis

Cuibo Liu, Zhongxin Chen, Huan Yan, Shibo Xi, Kah Meng Yam, Jiajian Gao, Yonghua Du, Jing Li, Xiaoxu Zhao, Keyu Xie, Haisen Xu, Xing Li, Kai Leng, Stephen J. Pennycook, Bin Liu, Chun Zhang, Ming Joo Koh, Kian Ping Loh