Results 31 to 40 of about 60,682 (387)

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

In vitro and in vivo studies of the trypanocidal properties of WRR-483 against Trypanosoma cruzi. [PDF]

, 2010
BackgroundCruzain, the major cysteine protease of Trypanosoma cruzi, is an essential enzyme for the parasite life cycle and has been validated as a viable target to treat Chagas' disease.
Brinen, Linda S, Chen, Yen Ting, Doyle, Patricia S, Hansell, Elizabeth, Kerr, Iain D, McKerrow, James H, Roush, William R   +6 more
core   +3 more sources

Synthesis of Chiral, Enantiopure Allylic Amines by the Julia Olefination of α-Amino Esters

Molecules, 2016
The four-step conversion of a series of N-Boc-protected l-amino acid methyl esters into enantiopure N-Boc allylamines by a modified Julia olefination is described. Key steps include the reaction of a lithiated phenylalkylsulfone with amino esters, giving
Fabio Benedetti, Federico Berti, Lidia Fanfoni, Michele Garbo, Giorgia Regini, Fulvia Felluga   +5 more
doaj   +1 more source

Crystal structure of 1,3-diallyl-1,3,3a,4,7,7a-hexahydro-4,7-methano-2-benzothiophene 2,2-dioxide

Acta Crystallographica Section E, 2014
The title compound C15H20O2S, was identified as a product of diallylation of the meso-isomer of the corresponding norbornene sulfone, and it is an achiral compound.
Sambasivarao Kotha, Rama Gunta
doaj   +1 more source

The diastereoselective Meth-Cohn epoxidation of camphor-derived vinyl sulfones [PDF]

, 2012
Some camphor-derived vinyl sulfones bearing oxygen functionality at the allylic position have been synthesized and their nucleophilic epoxidation reactions under Meth-Cohn conditions have been explored.
Adam, Adamczyk, Adams, Aggarwal, Alba, Armstrong, Armstrong, Ashwell, Ashwell, Back, Bailey, Bos, Bos, Briggs, Briggs, Bueno, Bäckvall, Chemla, Christopher Meadows, Clark, Craig, Craig, Culvenor, David H. Grayson, El-Awa, Evans, Evans, Evans, Evans, Evans, Evans, Fernandez de la Pradilla, Fernandez de la Pradilla, Fernandez de la Pradilla, Fernandez de la Pradilla, Fernandez de la Pradilla, Forristal, Frank W. Lewis, Garrabou, Gnas, Gordon Hill, Hernandez, Hewkin, Jackson, Jackson, Jackson, Jackson, Jackson, Jackson, Jackson, Kurt Dolence, Lacour, Lacour, Langlois, Lewis, Lewis, Li, Liu, Llamas, Magnus, Mauleon, McLaughlin, Meggers, Meth-Cohn, Milen, Mori, Mosse, Moure, Narasimha Rao, Nishide, Node, Oppolzer, Pellissier, Pinho e Melo, Pinho e Melo, Polywka, Roos, Satoh, Shu, Simpkins, Solladié-Cavallo, Solladié-Cavallo, Sulzer-Mosse, Toru, Trost, Tsogoeva, Van Rheenen, Weitz, Wessel, Yoo, Zhu, Zwanenburg   +91 more
core   +1 more source

Conformational modulation of sequence recognition in synthetic macromolecules [PDF]

, 2011
The different triplet sequences in high molecular weight aromatic copolyimides comprising pyromellitimide units ("I") flanked by either ether-ketone ("K") or ether-sulfone residues ("S") show different binding strengths for pyrene-based tweezer-molecules.
Cardin, Christine, Colquhoun, Howard M., Gan, Yu, Murray, Claire A., White, Andrew J. P., Williams, David J., Zhu, Zhixue   +6 more
core   +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

Indolylarylsulfones, a fascinating story of highly potent human immunodeficiency virus type 1 non-nucleoside reverse transcriptase inhibitors [PDF]

, 2018
Indolylarylsulfones are a potent class of human immunodeficiency virus type 1 non-nucleoside reverse transcriptase inhibitors. In this review, the structure activity relationship (SAR) studies to improve the profile of sulfone L-737,126 discovered by ...
Famiglini, V., Silvestri, R.
core   +1 more source

6-Nitro-7-tosylquinazolin-4(3H)-one

Molbank, 2020
Sulfones are important building blocks in the construction of biologically active molecules or functional materials. The sulfonyl functional group in sulfones is so versatile that it can act as either a nucleophile, an electrophile, or a radical in ...
Thi Ngoc Nguyen, Thi Phuong Thuy Tran, Thi Hoang Mai Vu, Hoa Binh Nguyen, Nguyet Suong Huyen Dao, Van Giang Nguyen, Dinh Luyen Nguyen, Nguyen Trieu Trinh, Van Hai Nguyen   +8 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