Results 11 to 20 of about 21,252 (299)

Sulfur analysis of Bolu-Mengen lignite before and after microbiological treatment using reductive pyrolysis and gas chromatography/mass spectrometry [PDF]

, 2005
Atmospheric pressure-temperature programmed reduction coupled with on-line mass spectrometry (AP-TPR/MS) is used for the first time on microbiologically treated coal samples as a technique to monitor the degree of desulfurization of the various sulfur ...
Bozdemir T., Brown S. D., Durusoy T., Durusoy T., Gryglewicz G., J. Yperman, Jagtoyen M., Juszczak A., Karavaiko G. I., Klein J., Maes I. I., Maes I. I., Maes I. I., Mullens S., Olson G., Olsson G., R. Carleer, Rutkowski P., S. Mullens, Selsbo S., Stefanova M., T. Bozdemir, T. Durusoy, Van Aelst J., Van Aelst J., Y. Yürüm, Yperman J., Álvarez R.   +27 more
core   +1 more source

Simple and Efficient Synthesis of Allyl Sulfones through Cs2CO3-Mediated Radical Sulfonylation of Morita–Baylis–Hillman Adducts with Thiosulfonates

SynOpen, 2021
A highly efficient and eco-friendly method has been developed for the synthesis of allyl sulfones using Morita–Baylis–Hillman (MBH) adducts and thiosulfonates under mild conditions.
Angothu Shankar, Md. Waheed, Raju Jannapu Reddy   +2 more
doaj   +1 more source

Davis-Beirut reaction: route to thiazolo-, thiazino-, and thiazepino-2H-indazoles. [PDF]

, 2014
Methods for the construction of thiazolo-, thiazino-, and thiazepino-2H-indazoles from o-nitrobenzaldehydes or o-nitrobenzyl bromides and S-trityl-protected 1°-aminothioalkanes are reported.
Farber, Kelli M, Haddadin, Makhluf J, Kurth, Mark J   +2 more
core   +2 more sources

Facile synthesis of 4H-chromene derivatives via base-mediated annulation of ortho-hydroxychalcones and 2-bromoallyl sulfones

Beilstein Journal of Organic Chemistry, 2016
The cesium carbonate-mediated reaction of 2-bromoallyl sulfones and ortho-hydroxychalcones furnished 3-arylsulfonyl-4H-chromene derivatives in 58–67% yield (18 examples).
Srinivas Thadkapally, Athira C. Kunjachan, Rajeev S. Menon   +2 more
doaj   +1 more source

Inorganic base-catalyzed formation of antivirally active N-substituted benzamides from α-amido sulfones and N-nucleophile

Chemistry Central Journal, 2011
Background Heteronucleophiles as well as carbanionic reagents can be used to react with α-amido sulfones, thus giving the opportunity to prepare a large array of amino derivatives.
Wang Zhenchao, Bhadury Pinaki S, Li Xiangyang, Hu Deyu, Song Baoan, Jin Yi, Yang Song   +6 more
doaj   +1 more source

Sequential curing of thiol-acetoacetate-acrylate thermosets by latent Michael addition reactions [PDF]

, 2017
Thiol-acetoacetate-acrylate ternary dual-curing thermosets were prepared by a sequential process consisting of thiol-Michael addition to acrylates at room temperature followed by Michael addition of acetoacetates to acrylates at moderately elevated ...
Fernández Francos, Xavier, Konuray, Ali Osman, Liendo Castillo, Freddy Jesus, Ramis Juan, Xavier, Sangermano, Marco, Serra Albet, Maria Àngels   +5 more
core   +2 more sources

Novel cruzain inhibitors for the treatment of Chagas' disease. [PDF]

, 2012
The protozoan parasite Trypanosoma cruzi, the etiological agent of Chagas' disease, affects millions of individuals and continues to be an important global health concern.
Arkin, Michelle R, Doak, Allison, Durrant, Jacob D, Keränen, Henrik, McCammon, J Andrew, Ratnam, Joseline, Rogers, Kathleen E   +6 more
core   +1 more source

Can acyclic conformational control be achieved via a sulfur-fluorine gauche effect? [PDF]

, 2015
The gauche conformation of the 1,2-difluoroethane motif is known to involve stabilising hyperconjugative interactions between donor (bonding, σC-H) and acceptor (antibonding, σ*C-F) orbitals.
Daniliuc, C, Gilmour, R, Holland, MC, Houk, KN, Thiehoff, C   +4 more
core   +1 more source

Reductive cleavage of sulfones and sulfonamides by neutral organic super electron-donor (S.E.D.) reagent [PDF]

, 2007
The sulfonyl group finds extensive applications in organic and medicinal chemistry both in sulfonamides, popular as robust protecting groups for amines, and in sulfones.
Miclo, Yves, Murphy, John A., Schoenebeck, Fransziska, Tuttle, Tell, Uenoyama, Yoshitaka, Zhou, Sheng-ze   +5 more
core   +1 more source

Photocatalytic formation of carbon–sulfur bonds

Beilstein Journal of Organic Chemistry, 2018
This review summarizes recent developments in photocatalyzed carbon–sulfur bond formation. General concepts, synthetic strategies and the substrate scope of reactions yielding thiols, disulfides, sulfoxides, sulfones and other organosulfur compounds are ...
Alexander Wimmer, Burkhard König
doaj   +1 more source