Book ChapterDOI
Thiopyrans and Their Benzo Derivatives
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The article was published on 2020-01-01. It has received 1 citations till now. The article focuses on the topics: Ring (chemistry) & Section (typography).read more
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Asymmetric Michael addition of 4H-thiopyran-4-one to nitroolefins catalyzed by diamine mono-N-sulfonamide and its application to concise synthesis of enantiopure multiring heterocycles
Lei Mo,Huang Tang,Zhu-Jun Yao +2 more
TL;DR: In this paper, a new series of mono-N -sulfonamides of C 2 -symmetrical 2′-bipyrrolidine have been designed, synthesized, and successfully applied as the organocatalysts to the enantio- and diastereoselective Michael addition of 4 H -thiopyran-4-one to a variety of nitroolefins.
Journal ArticleDOI
Carbon Disulfide in Heterocyclic Organic Synthesis; Synthesis of Polyfunctionally Substituted Sulfur and Nitrogen Heteroaromatics
TL;DR: In this article, the reaction of cayno acetamdie with carbon disulphide in alkaline medium, e.g., potassium hydroxide, or potassium ter butoxide gave the gem-dithiol (1).
Journal ArticleDOI
Modern Spin on the Electrochemical Persistence of Heteroatom-Bridged Triphenylmethyl-Type Radicals.
TL;DR: It is asserted that each radical is persistent at conventional electrochemical time scales up to several minutes based on reversible redox couples and cyclic voltammogram simulations of the radicals and their respective cations.
Journal ArticleDOI
1H NMR spectroscopy in the study of the three-dimensional structure of 7-alkoxyalkyl-3-thia-7-azabicyclo-[3.3.1]nonan-9-ones and some of their derivatives
TL;DR: In this paper, NMR spectroscopy was used to establish that 7-alkoxyalkyl-3-thia-7-azabicyclo[3.3.1]nonan-9-ones and their decarbonylated derivatives in deuterochloroform solution exist in the double chair conformation.
Journal ArticleDOI
X-ray Absorption Spectroscopy of Aliphatic Organic Sulfides
TL;DR: It is shown that the sulfur K-edge near-edge X-ray absorption spectra of aliphatic organic sulfides comprise two intense transitions in the near- edge spectrum, which can be assigned as 1s → (S-C)σ* and 1s •π* transitions, which are found to change in a systematic manner in sterically hindered sulfides composed of four-, five- and six-membered rings.