Synthesis of terminal allenes via a copper-catalyzed decarboxylative coupling reaction was developed. Aryl alkynyl carboxylic acid, paraformaldehyde, and dicyclohexylamine were reacted with CuI (20 ...

Grand ceremony held to worship legendary ancestor Huangdi in China's Henan A ceremony to worship Huangdi, a legendary common ancestor of the Chinese people, is held in Xinzheng City, central China's ...

On what was supposed to be a day like any other for farmers digging a well near the city of Xian, China in 1974, quickly ...

A stone carving that some scholars believe dates back more than 2,200 years and could carry major cultural significance has ...

The role of the Cl– anion as a templating agent for the synthesis of cyclopeptides was assessed through the preparation of three new homocyclolysines and other six cyclic peptides by head-to-tail ...

Access to this vast complex of grand palaces, abundant gardens, and sacred pavilions was off limits to most of imperial China's people, who could only imagine the grandeur beyond the gates.