Small Angle Neutron Scattering, SANS Small-angle neutron scattering (SANS) is a neutron analog of Small-angle X-ray scattering (SAXS). By measuring neutrons with long wavelengths and small scattering ...
Author Archive
Neutron Experiment
Chemical analysis using neutrons may be less familiar as compared to X-ray or electron beam analysis. The neutron beam experiment has become popular in recent years as it allows us to collect data ...
Lithium Alminum Hydride (LAH, LiAlH4)
General Characteristics Lithium Alminum Hydride (LAH) is a powerful reducing reagent with the specific formula of LiAlH4. LAH reduces not only ketones and aldehydes but also carboxylic acids and ...
Neutron Imaging
Neutron Imaging Neutron version of radiography. This is a non-destructive method of visualizing the internal structure of a material by taking advantage of the high penetrating power of neutrons. It ...
NMR Chemical Shifts for Solvent Impurities
Reliable papers summarizing NMR data of various solvents in various heavy solvents are indispensable to organic chemists. In this post, four papers that contain NMR chemical shifts are presented: Why ...
Organolithium Reagents
Abstract The reactivity of organometallic reagents is roughly determined by the degree of polarization of carbon-metal bonds, with carbon-lithium bonds exhibiting the greatest polarization (ionic ...
Quick Guide to ChemDraw
ChemDraw is a well-known structure-drawing software. Although ChemDraw is an indispensable software for chemists, probably not many people can fully utilize its functions… (I am one of them)? ...
NMR Basics: Guide for Analysis and Interpretation
This post introduces NMR basics, focusing on the analysis and interpretation of the 1-D 1H and 13C NMR spectra. An overview of NMR basics, including principles, is available on the JEOL website. ...
How “good” can the synthetic route be? SMART-PMI: Predicting Process Mass Intensity from Molecular Structure
In the industrial production of pharmaceuticals, there is a strong demand to realize synthetic routes that are economical to produce and consider their environmental impact. From the perspective of ...
Solvent Isotope Effect
solvent isotope effect An isotope effect that appears when a solvent labeled with an isotope (especially deuterium) is utilized. In chemical research, there are many opportunities to investigate the ...