This is what he said about the young Qin Shi Huangdi, the first emperor of a unified China who ruled from 246 BCE to 210 BCE: "With his puffed-out chest like a hawk and voice of a jackal, Qin is a ...

By 221 BCE, the final kingdom fell, and Zheng proclaimed himself Qin Shi Huangdi or "First Sovereign Emperor of the Qin Dynasty". He called the united empire "Qin", which many academics believe is ...

Huangdi was the leader of the ancient Huaxia tribal alliance and the founding ancestor of Chinese civilization. During his reign, Huangdi cultivated crops, developed production, initiated the ...

Huangdi, who reigned nearly 5,000 years ago, has been considered the legendary ancestor of Chinese people and founder of Chinese culture. He was said to be born on the third day of the third month of ...

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 ...

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 ...

A simple and efficient synthesis of 11H-pyrido[2,1-b]quinazolin-11-ones by Cu(OAc)2·H2O-catalyzed reaction of easily available substituted isatins and 2-bromopyridine derivatives has been developed.