Author pages are created from data sourced from our academic publisher partnerships and public sources.
WinDNMR: Dynamic NMR Spectra for Windows
- H. Reich
- 1 December 1995
This program was written specifically to demonstrate important concepts in NMR spectroscopy. Varying spectral parameters to make a dynamic presentation of the resulting spectral changes aids in… Expand
Why Nature Chose Selenium.
The authors were asked by the Editors of ACS Chemical Biology to write an article titled "Why Nature Chose Selenium" for the occasion of the upcoming bicentennial of the discovery of selenium by the… Expand
Nuclear Magnetic Resonance Spectroscopy. Carbon-13 Spectra of Steroids
The natural abundance ^(13)C resonance spectra of a variety of sterols and steroidal hormones have been determined at 15.1 MHz. The chemical shifts of the carbons in these substances were found to… Expand
Nuclear Magnetic Resonance Spectroscopy. Carbon-13 Chemical Shifts in Acyclic and Alicyclic Alcohols
The chemical shifts of ^(13)C in a variety of acyclic and alicyclic alcohols have been determined by high resolution nmr spectroscopy with the aid of proton decoupling. It has been found that there… Expand
Functional group manipulation using organoselenium reagents
- H. Reich
The regioselectivity of addition of organolithium reagents to enones and enals: the role of HMPA.
The role of polar solvents (particularly HMPA) in controlling the ratio of 1,2 to 1,4 addition of sulfur-substituted organolithium reagents to cyclohexenones and hexenal was studied. Low-temperature,… Expand
Macro rings. XXXVI. Ring expansion, racemization, and isomer interconversions in the [2.2]paracyclophane system through a diradical intermediate
Lithium-metalloid exchange reactions. Observation of lithium pentaalkyl(aryl) tin ate complexes
Effects of Ion Pair Separation on Inversion and Rotation of Sulfur‐, Selenium‐, and Silicon‐Stabilized Organolithium Reagents
Most vinyl,['] cyclopropyl,[*' and a -a lko~y[~] lithium reagents are configurationally stable. Other types racemize too rapidly for trapping experiments[4". '1 or require very low temperatures to… Expand