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浏览/检索结果: 共16条，第1-10条 帮助 限定条件 发表日期：2014    专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Pressure-induced drastic collapse of a high oxygen coordination shell in quartz-like alpha-GeO2 期刊论文 新物理学学报, 2014 Dong, Juncai; Zhang, Xiaoli; Zhang, Qian; Wu, Ye; Wu, Xiang; Wu, Ziyu; Chen, Dongliang 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/11 RAY-ABSORPTION SPECTROSCOPY  GEO2 POLYMORPHS  INDUCED AMORPHIZATION  CRYSTAL-STRUCTURES  FINE-STRUCTURE  VITREOUS GEO2  BORON-CARBIDE  MEMORY-GLASS  SILICA  TRANSFORMATION   Palladium-Catalyzed Intramolecular Reductive Cross-Coupling of Csp(2)-Csp(3) Bond Formation 期刊论文 chemistry a european journal, 2014 Liu, Hui; Wei, Jianpeng; Qiao, Zongjun; Fu, Yana; Jiang, Xuefeng 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/12 catalysis  C-C bond formation  cross-coupling  Csp(3)-X bond  palladium  TETRASUBSTITUTED HELICAL ALKENES  SECONDARY ALKYL BROMIDES  C-H FUNCTIONALIZATION  POSSESS BETA-HYDROGENS  ROOM-TEMPERATURE  ARYL HALIDES  OXIDATIVE-ADDITION  SUZUKI REACTIONS  ULLMANN REACTION  ORGANIC HALIDES   Silver-catalysed direct amination of unactivated C-H bonds of functionalized molecules 期刊论文 nature communications, 2014 Yang, Mingyu; Su, Bo; Wang, Yang; Chen, Kang; Jiang, Xingyu; Zhang, Yun-Fei; Zhang, Xi-Sha; Chen, Guihua; Cheng, Ye; Cao, Zhichao; Guo, Qing-Yun; Wang, Lushun; Shi, Zhang-Jie 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13 INTRAMOLECULAR FUNCTIONALIZATION  HETEROCYCLE SYNTHESIS  C(SP(2))-H BONDS  ACTIVATION  RADICALS  AZETIDINES  C(SP(3))-H  AMIDATION  CHEMISTRY  POSITIONS   Palladium(II)-catalyzed direct conversion of allyl arenes into alkenyl nitriles 期刊论文 ORGANIC CHEMISTRY FRONTIERS, 2014 Shu, Zhibin; Zhou, Yujing; Zhang, Yan; Wang, Jianbo 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 COPPER-CATALYZED TRIFLUOROMETHYLATION  C-H ALKYLATION  DIRECT CYANATION  TERMINAL ALKENES  TRANSFORMATION  ALDOXIMES  ACID  ARYL  AMINATION  OXIDATION   Palladium-Catalyzed 2H-1,2,3-Triazole-Directed Oxidative Alkoxylation of Arenes with Alcohols 期刊论文 Chinese Journal of Chemistry, 2014 Shi Wenjuan; Shi Zhangjie 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 triazole  alkoxylation  palladium  C-H activation   X衍射精细结构和晶体旋光角研究D-,L-,DL-缬氨酸晶格分子间N~+H…O~-氢键电子库珀对的自旋流超导相变(英文) 其他 2014-01-01 王文清; 张玉凤; 龚 收藏  |  浏览/下载：5/0  |  提交时间：2015/10/24 D-  D-, L- and DL-valine crystal  X-ray crystal fine structure  Optical rotatory angle  Clockwise and counterclockwise rotation of NH3 ->  Intermolecular N+H center dot center dot center dot O(-)hydrogen bond on lattice surface  Electron Cooper pairing  Spin superfluidity in superconducting state  L-和DL-缬氨酸晶体  X衍射晶体精细结构  晶体旋光角  NH3→CO2顺时针与逆时针走向  晶格表面分子间N+H…O-氢键  电子库珀对  自旋流超导相变  CO2   Selective synthesis of (Z)-2-enynyl-2-hydroxy-imidazolidine-4,5-diones via Cu(I)-mediated multicomponent coupling of terminal alkynes, carbodiimides and oxalyl chloride 期刊论文 organic biomolecular chemistry, 2014 Zhao, Fei; Li, Yuexing; Wang, Yang; Zhang, Wen-Xiong; Xi, Zhenfeng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 HIGHLY EFFICIENT SYNTHESIS  TO-HEAD DIMERIZATION  FULLY SUBSTITUTED DIHYDROFURANS  PROMOTED RAP CATALYSIS  ONE-POT  CONJUGATED ENYNES  ORGANIC-SYNTHESIS  ALLYLIC ALCOHOLS  FACILE SYNTHESIS  BOND FORMATION   Synthesis of 1H-indazoles from N-tosylhydrazones and nitroaromatic compounds 期刊论文 chemical communications, 2014 Liu, Zhenxing; Wang, Long; Tan, Haocheng; Zhou, Shiyi; Fu, Tianren; Xia, Ying; Zhang, Yan; Wang, Jianbo 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 ESTROGEN-RECEPTOR LIGANDS  DIAZO-COMPOUNDS  BOND FORMATION  1,3-DIPOLAR CYCLOADDITION  SUBSTITUTED 1H-INDAZOLES  INDAZOLE DERIVATIVES  EFFICIENT SYNTHESIS  CATALYZED SYNTHESIS  COUPLING REACTIONS  ARYNES   Cleavage of the C= N Bond in Carbodiimides via Release of High Ring Strain: A New Strategy for the Selective Synthesis of 2-Aminoaryl Alkynyl Imines 期刊论文 chemistry a european journal, 2014 Zhou, Yi; Chi, Yue; Zhao, Fei; Zhang, Wen-Xiong; Xi, Zhenfeng 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 alkynes  benzynes  CN activation  carbodiimides  multicomponent reactions  EARTH-METAL COMPLEXES  MULTICOMPONENT COUPLING REACTIONS  TERMINAL ALKYNES  CARBON-CARBON  ORGANOACTINIDE COMPLEXES  METATHESIS REACTIONS  GUANIDINATE LIGANDS  CATALYTIC ADDITION  ORGANIC-SYNTHESIS  IMIDO COMPLEXES   Oxidative Cross-Coupling of Allenyl Ketones and Organoboronic Acids: Expeditious Synthesis of Highly Substituted Furans 期刊论文 angewandte chemie international edition, 2014 Xia, Ying; Xia, Yamu; Ge, Rui; Liu, Zhen; Xiao, Qing; Zhang, Yan; Wang, Jianbo 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 allenes  carbenes  cross-coupling  furans  palladium  C-BOND FORMATION  ALPHA-DIAZOCARBONYL COMPOUNDS  CARBENE MIGRATORY INSERTION  N-TOSYLHYDRAZONES  DIAZO-COMPOUNDS  POLYSUBSTITUTED FURANS  EFFICIENT SYNTHESIS  REGIOSELECTIVE SYNTHESIS  TETRASUBSTITUTED FURANS  MULTISUBSTITUTED FURANS