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A stereoselective synthesis of bicyclic primary or secondary amines, based on tetralin or chroman structural moieties, is reported. These amines are precursors of important active pharmaceutical ingredients such as rotigotine (Neupro), robalzotan, and ebalzotan. The key step is based on a multienzymatic reduction of an α,β-unsaturated aldehyde or ketone to …RB/T 200-2015. Specification for quality management systems certification in the state administrative agencies. ICS 03.120.20. A00. Record number. 50637-2015. People's Republic of China certification and recognition of industry standards. National Administrative Agency Quality Management System Certification Specification. Released …Company. Qingdao Huicai Machine Manufacture Co., Ltd is specialized manufacturer of various plate press, rubber mixing mill etc. rubber machinery and tire machinery. With more than ten years developing and exploring, we have become the leading rubber machinery manufacturer and export in China. Due to our perfect system with abundant technical ...6.00-9 7.00-12 Solid Tyre Hydraulic Press Machine 300-15 Forklift Tire Press.Principal Investigator, Li-Huei Tsai Administrative Assistant, Thomas Garvey Laboratory Manager, Ying Zhou Scientific Manager, Hugh CamKick Back and Get Relaxed. Four Points by Sheraton Guangzhou, Dongpu has what matters most to you, like comfortable bed, a delicious breakfast and fresh coffee, as well as great local beer with Best Brews. We have 296 spacious guestrooms, each of our spacious rooms comes equipped with free Wi-Fi, a flat-screen TV and more and room service is ...Apr 2013. Qipu Dai. Huicai Huang. John Cong-Gui Zhao. A highly diastereoselective (dr > 99:1) and enantioselective (ee value up to 98%) synthesis of trisubstituted cyclohexanols was achieved by ...Feb 15, 2021 · Huicai Wang 1 , Feng Gao 2 , Ruili Ren 3 , Zhenwen Wang 2 , Ruirui Yue 3 , Junfu Wei 3 , Xiaolei Wang 2 , Zhiyun Kong 2 , Huan Zhang 2 , Xiaoqing Zhang 4 Affiliations 1 State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin 300387, China; School of Chemistry and Chemical Engineering, Tiangong ... The reaction of common acyl-metal species (acyl anion) with aldehydes to furnish acyloins has received much less attention and specifically was restricted to using preformed stoichiometric acyl-metal reagents. Moreover, the (catalytic) enantioselective variants remain unexplored, and the asymmetric synthesis of chiral acyloins has met …Yuzhen Chen 1 , Yichen Wang 1 , Shuzhong Wang 1 , Yan-Yan Ma 2 , Deng-Gao Zhao 2 , Ruoting Zhan 1 , Huicai Huang 1 Affiliations 1 Research Center of Chinese Herbal Resource Science and Engineering, Key Laboratory of Chinese Medicinal Resource from Lingnan, Ministry of Education, Guangzhou University of Chinese Medicine, Guangzhou 510006, China.Professor Li-Huei Tsai is the Director of the Picower Institute for Learning and Memory at the Massachusetts Institute of Technology, a Picower Professor of Neuroscience, and an Associate Member of the Broad Institute. She obtained her Ph.D. from the University of Texas Southwestern Medical Center in Dallas and completed her postdoctoral ... DOI: 10.1002/CHIN.200236244 Corpus ID: 197277348; Large‐Scale Synthesis of Uniform Silver Nanowires Through a Soft, Self‐Seeding, Polyol Process. @article{Sun2002LargeScaleSO, title={Large‐Scale Synthesis of Uniform Silver Nanowires Through a Soft, Self‐Seeding, Polyol Process.}, author={Yugang Sun and Younan Xia}, …Reversing the polarity in molecules is a versatile tool for expanding the boundaries of structural space. Despite a manifold of different umpolung methods available today, overcoming the inherent reactivity still remains a constant challenge in organic chemistry. The oxidative α-functionalization of ketones by external nucleophiles …Ma HUICAI | Cited by 106 | of Chinese Academy of Sciences, Beijing (CAS) | Read 9 publications | Contact Ma HUICAI

We herein describe an N-hetercyclic carbene-catalyzed three-component acyldifluoromethylation of vinylarenes, aldehydes, and NaSO2CF2H. This organocatalytic approach provides a practical route for the synthesis of pharmaceutically relevant α-aryl-β-difluormethyl ketones without the need for transition metals or photocatalysts. The late …The water Cherenkov detector array (WCDA) is an important detector in the Large High Altitude Air Shower Observatory (LHAASO), which is tasked with continuously surveying VHE gamma-rays sky. The WCDA covers an area of 78,000 m 2 and contains 350,000 tons of purified water. The water quality and its stability are critical for its …University of California, Merced. 5200 North Lake Rd. Merced, CA 95343 Telephone: (209) 228-4400Massachusetts Institute of Technology 43 Vassar St. 46-4325A Cambridge, MA 02139 Email: [email protected] Phone: 617-324-1660. Short Biography. Li-Huei Tsai received her Ph.D degree from the University of Texas Southwestern Medical Center at Dallas.

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