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Xiao yu xian
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Total Synthesis of Plakortide E and Biomimetic Synthesis of Plakortone B
In his thesis, Xiaoyu Sun conducts the first total synthesis of all possible stereoisomers of plakortide E and also confirms the absolute configuration of natural plakortide E. Xiaoyu Sun subsequently converts Plakortide E methyl ester to plakortone B in a biomimetic conversion. Construction and functionalization of cyclic peroxides are notoriously difficult due to the very low O-O bond dissociation energy. Plaktoride E is isolated from the Jamaican marine sponge platorits halichondrioides and contains a five-membered peroxide ring, with oxygen atoms linked to tertiary C4 and C6 centers. The methodology used for synthesizing highly substituted cyclic peroxides is novel and useful, and not only extends the field of Pd-catalyzed reactions, but also provides a convenient synthetic approach for the preparation of the 1,2-dioxolanes series. Plakortide E and plakortone B are bioactive, which means that the synthetic studies on them and their analogs are pivotal in drug discovery.
Xiao, Yu Bai
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Double-faced Prince, Take It
General Situ was executed after being framed by his son-in-law Xia Liang and the Minister Xu Zhongkui. The general's daughter, Situ Wushang, was reborn into Xu Ge's servant, and changed his name to Xu Xiaomo. Xu Xiaomo had entered the army as a man to help her father fight the rebellion, but she had fallen deeply into love and a thick fog of mystery. If there was a secret behind this matter, could Xu Xiaomo see clearly that the fog was helping the Situ Family?
Double-faced Prince, Take It
General Situ was executed after being framed by his son-in-law Xia Liang and the Minister Xu Zhongkui. The general's daughter, Situ Wushang, was reborn into Xu Ge's servant, and changed his name to Xu Xiaomo. Xu Xiaomo had entered the army as a man to help her father fight the rebellion, but she had fallen deeply into love and a thick fog of mystery. If there was a secret behind this matter, could Xu Xiaomo see clearly that the fog was helping the Situ Family?
The Struggles of an Ordinary Man - The Turbulent History of China Through a FarmerÕs Eyes from 1900 to 2000 (Volume One)
"The Struggles of an Ordinary Man(Volume one)- The Turbulent History of China Through a Farmer's Eyes from 1900 to 2000 is the true record of one hundred years of modern history in rural areas of the Eastern Shandong Peninsula from the 1900 to 2000, including the end of the Qing Dynasty, the Anti-Japanese War (1938-1945), China's War of Liberation (1945-1949), the development of China after liberation (1950-1957), the Great Leap Forward Movement (1958-1959), the Three-year Disasters (1960-1962), the Socialist Education Movement (1964-1965), the Great Cultural Revolution (1966-1976) and the reform and opening up of China (1978-2000). This work, with the spirit of unvarnished realism and true-life style, illustrates the actual life and inner mind of an ordinary man in rural areas and through his eyes to see the significant changes of China during the past one hundred years. This book restores the true-life stories of the ordinary rural man with a fair view.
Daddy, Mummy is a Spy
He pursed his lips and smiled contemptuously. "It would be difficult for a model to survive in this circle if they weren't taken care of."She raised her eyebrows and sneered. "So?"He said the words that had been brewing for a long time, "Become my woman."She said coldly, "I don't want to get married."He sneered and pinched her chin, forcing her to look him in the eye. "You want me to marry you with your broken body?"She said confidently, "I'm not going to be Little San."He stared at her for a while, then slowly said, "It's just an engagement. I'll give you your freedom when I get married. "For the sake of that illusory freedom, she had become an affair of his. She knew that she couldn't defeat him, because this was a man that was even scarier than the devil ...
