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Spectroscopy - Wikipedia
Spectroscopy is the study of the interaction between matter and electromagnetic radiation as a function of the wavelength or frequency of the radiation. In simpler terms, spectroscopy is the precise study of color as generalized from visible light to all bands of the electromagnetic spectrum; indeed, historically, spectroscopy originated as the study of the wavelength dependence of the
Imines and Enamines - Master Organic Chemistry
May 24, 2010Imines are the nitrogen analogues of aldehydes and ketones, containing a C=N bond instead of a C=O bond. They are formed through the dehydration reaction of an aldehyde or ketone with an amine. Imines derived from aldehydes are sometimes called aldimines, imines derived from ketones are sometimes called ketamines. Enamines are the nitrogen analogues of enols.
Organic Letters | Ahead of Print
A BBE-like Oxidase, AsmF, Dictates the Formation of Naphthalenic Hydroxyl Groups in Ansaseomycin Biosynthesis. Shuang He Liu, Yuan Yuan Wei, Yin Nan Xing, Yu Chen, Wen Wang, Kai Biao Wang, Yong Liang, Rui Hua Jiao*, Bo Zhang*, and ; Hui Ming Ge* Organic Letters, Articles ASAP (Addition/Correction) Publication Date (Web): April 13, 2021.
Functional group - Wikipedia
In organic chemistry, a functional group is a substituent or moiety in a molecule that causes the molecule's characteristic chemical reactions same functional group will undergo the same or similar chemical reactions regardless of the rest of the molecule's composition. This enables systematic prediction of chemical reactions and behavior of chemical compounds and the design of chemical
4.2: IR Spectroscopy - Chemistry LibreTexts
Mar 21, 2021For example, two trans π-backbonding ligands will partially compete for the same d-orbital electron density, weakening each other’s net M-L π-backbonding. If the trans ligand is a π-donating ligand, the free metal to CO π-backbonding can increase the M-CO bond strength (more M=C=O character). It is well known that pyridine and amines are
Ionic Liquid - an overview | ScienceDirect Topics
Julia L. Shamshina, Robin D. Rogers, in Encyclopedia of Analytical Science (Third Edition), 2019 Ionic Liquids: History, Definition and Overview. Ionic liquids, literally “liquid salts” (ILs, salts that melt at temperature below 100°C) have been known for many years, following the successful work at the Air Force Academy in use of ILs as electrolytes 1 some 30 years ago.
Techniques for extraction and isolation of natural
Apr 17, 2018Natural medicines were the only option for the prevention and treatment of human diseases for thousands of years. Natural products are important sources for drug development. The amounts of bioactive natural products in natural medicines are always fairly low. Today, it is very crucial to develop effective and selective methods for the extraction and isolation of those bioactive natural

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