Nuclear magnetic resonance (NMR) spectroscopy is a technique that detects the chemical environment of atomic nuclei by the absorption of radio-frequency electromagnetic radiation when in the ...

Triple H and Stephanie McMahon formed a bond while working together Nasha Smith is a contributing writer at PEOPLE. She has been working at PEOPLE since 2022. Her words have previously appeared in ...

Institute of Chemical Research of Catalonia (ICIQ−CERCA), The Barcelona Institute of Science and Technology, Països Catalans 16, 43007 Tarragona, Spain ...

Department of Chemistry, Khalifa University of Science and Technology, Abu Dhabi, 127788, United Arab Emirates Center for Catalysis and Separation, Khalifa University of Science and Technology, Abu ...

Since the 1990s, medicinal chemistry research has demonstrated that replacing benzene rings with bicyclo[1.1.1]pentane derivatives enhances drug properties such as solubility and metabolic stability ...

Peer ReviewDownload a summary of the editorial decision process including editorial decision letters, reviewer comments and author responses to feedback. Saccharin has been part of the human diet for ...

例如，像立方（cubane）、螺旋烷（propellane）、双环丁烷（bicyclobutane）和螺[2.2]戊（spiro[2.2]pentane）等三维结构的合成一直是合成化学 ... 随后，将2a与N₂O在-78°C至室温下反应1小时，通过³¹P核磁共振（NMR）和原位红外光谱（IR）确认了Ph₃P=O4a的生成以及3的特征N ...