Results 11 to 20 of about 20,785 (192)

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

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

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

Synthesis of a New Chiral Pyrrolidine

Molecules, 2010
The synthesis of a new chiral pyrrolidine has been performed using 2,3-O-isopropylidene-D-erythronolactol as a suitable starting material.
Pilar García, Enrique F. Iglesias, Isidro S. Marcos, Narciso M. Garrido, Rosalina F. Moro, Marta G. Núñez, Mari Fe. Flores, David Díez   +7 more
doaj   +1 more source

Antimicrobial Effects of Sulfonyl Derivative of 2(5H)-Furanone against Planktonic and Biofilm Associated Methicillin-Resistant and -Susceptible Staphylococcus aureus

Frontiers in Microbiology, 2017
The gram-positive opportunistic bacterium Staphylococcus aureus is one of the most common causatives of a variety of diseases including skin and skin structure infection or nosocomial catheter-associated infections.
Irshad S. Sharafutdinov, Elena Y. Trizna, Diana R. Baidamshina, Maria N. Ryzhikova, Regina R. Sibgatullina, Alsu M. Khabibrakhmanova, Liliya Z. Latypova, Almira R. Kurbangalieva, Elvira V. Rozhina, Mareike Klinger-Strobel, Rawil F. Fakhrullin, Mathias W. Pletz, Mikhail I. Bogachev, Airat R. Kayumov, Oliwia Makarewicz   +14 more
doaj   +1 more source

Water-promoted C-S bond formation reactions

Nature Communications, 2018
Despite the biological importance of sulfones, available synthetic methods usually involve toxic metals and reagents or harsh conditions. Here, the authors report an environmentally benign procedure for the metal-free carbon-sulfur bond formation of ...
Peizhong Xie, Jinyu Wang, Yanan Liu, Jing Fan, Xiangyang Wo, Weishan Fu, Zuolian Sun, Teck-Peng Loh   +7 more
doaj   +1 more source

Transient Sulfenic Acids in the Synthesis of Biologically Relevant Products

Molecules, 2018
Sulfenic acids as small molecules are too unstable to be isolated and their transient nature offers the possibility to involve them in concerted processes that lead to the obtainment of functional groups such as sulfoxides, sulfones, and disulfides.
Anna Barattucci, Maria Chiara Aversa, Aurora Mancuso, Tania Maria Grazia Salerno, Paola Bonaccorsi   +4 more
doaj   +1 more source

Urea–hydrogen peroxide prompted the selective and controlled oxidation of thioglycosides into sulfoxides and sulfones

Beilstein Journal of Organic Chemistry, 2017
A practical method for the selective and controlled oxidation of thioglycosides to corresponding glycosyl sulfoxides and sulfones is reported using urea–hydrogen peroxide (UHP). A wide range of glycosyl sulfoxides are selectively achieved using 1.5 equiv
Adesh Kumar Singh, Varsha Tiwari, Kunj Bihari Mishra, Surabhi Gupta, Jeyakumar Kandasamy   +4 more
doaj   +1 more source

TBAB-Catalyzed 1,6-Conjugate Sulfonylation of para-Quinone Methides: A Highly Efficient Approach to Unsymmetrical gem-Diarylmethyl Sulfones in Water

Molecules, 2020
A highly efficient sulfonylation of para-quinone methides with sulfonyl hydrazines in water has been developed on the basis of the mode involving a tetrabutyl ammonium bromide (TBAB)-promoted sulfa-1,6-conjugated addition pathway.
Zhang-Qin Liu, Peng-Sheng You, Liang-Dong Zhang, Da-Qing Liu, Sheng-Shu Liu, Xiao-Yu Guan   +5 more
doaj   +1 more source