Results 131 to 140 of about 1,407 (189)

Exploring the Antibiofilm Effect of Sertraline in Synergy with Cinnamomum verum Essential Oil to Counteract Candida Species. [PDF]

Pharmaceuticals (Basel)
Barbarossa A, Rosato A, Carrieri A, Fumarola L, Tardugno R, Corbo F, Fracchiolla G, Carocci A.   +7 more
europepmc   +1 more source

The Role of S-Glutathionylation in Health and Disease: A Bird's Eye View. [PDF]

Nutrients
Federici L, Masulli M, De Laurenzi V, Allocati N.   +3 more
europepmc   +1 more source

State-of-the-Art in Skin Fluorescent Photography for Cosmetic and Skincare Research: From Molecular Spectra to AI Image Analysis. [PDF]

Life (Basel)
Chekanov K, Danko D, Tlyachev T, Kiselev K, Hagens R, Georgievskaya A.   +5 more
europepmc   +1 more source

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Benzothiazines in organic synthesis. Synthesis of fluorescent 7-amino-2,1-benzothiazines

Organic & Biomolecular Chemistry, 2011
Fluorescent 7-amino-2,1-benzothiazines were prepared in high yields using the palladium-catalyzed reaction of 4-amino-2-chlorobenzaldehydes with a sulfoximine or the reaction of 7-fluoro-2,1-benzothiazines with amines.
Nattawut, Yongpruksa, Siddharth, Pandey, Gary A, Baker, Michael, Harmata   +3 more
openaire   +2 more sources

A Straightforward Synthesis of Benzothiazines

Organic Letters, 2008
A series of 4H-3,1-benzothiazines have been successfully synthesized through a three-step sequence starting from commercially available 2-iodoaniline. The key step consists of the cyclization of compounds 6 via an intramolecular S-conjugate addition. The synthesis is straightforward, gives good yields and offers a broad range of possibilities since R ...
Carolina, Gimbert, Adelina, Vallribera
openaire   +2 more sources

A novel photoisomerzation of 1,2‐benzothiazine 1,1‐dioxides to 1,3‐benzothiazine 1,1‐dioxides

Journal of Heterocyclic Chemistry, 2007
AbstractA novel facile photoconversion of 4‐hydroxy‐1,2‐bezothiazine 1,1‐dioxides (3a‐e) into 4‐oxo‐1,3‐2H‐benzothiazine 1,1‐dioxides (4a‐e) and 4‐hydroxy‐2‐methyl‐N‐(pyridin‐2‐yl)‐2H‐1,2‐benzothiazine‐3‐carboxamide 1,1‐dioxide (PRX) into N‐methyl saccharin (2) upon 254 nm irradiation in methanol or acetonitrile is reported.
Ibrahim Elghamry, Dietrich Doepp, Gerald Henkel   +2 more
openaire   +1 more source

Benzothiazines in Organic Synthesis. Stereoselectivity in the Intermolecular Michael Addition Reactions of Benzothiazines

Organic Letters, 2007
A study of the intermolecular Michael addition of certain benzothiazine anions demonstrated that stereoselectivity could be extremely high, though achieving control over the direction of relative stereoselectivity was in general not straightforward.
Michael, Harmata, Yugang, Chen, Charles L, Barnes   +2 more
openaire   +2 more sources

1,4-Benzothiazines-A Biologically Attractive Scaffold

Mini-Reviews in Medicinal Chemistry, 2017
1,4-benzothiazine (1,4-B), a pharmacophore of anti-psychotic drug phenothiazines, is a vital class of heterocyclic compounds implicating versatile biological activities. The aim of this review article is to summarize various synthetic strategies, biological activities and structure activity relationship concerning the bioactive heterocycle, 1,4-B ...
Amit, Rai, Ashok K, Singh, Vinit, Raj, Sudipta, Saha   +3 more
openaire   +2 more sources

Rearrangement of benzothiazine sulphoxides

Journal of the Chemical Society D: Chemical Communications, 1970
The reaction of substituted benzothiazine sulphoxides with Ac2O under reflux leads by an elimination reaction to a sulphenic acid derivative which undergoes subsequent addition to the generated double bond if the nitrogen is tertiary but is trapped as a cyclic sulphenamide by a secondary nitrogen.
Robert B. Morin, Douglas O. Spry
openaire   +1 more source

1,4-Benzothiazines, Dihydro-1,4-benzothiazines, and Related Compounds.

1985
Publisher Summary The benzothiazines constitute a group of heterocyclic compounds; they have found a variety of industrial uses and show promise as herbicides. This chapter discusses the chemistry of 1,4-benzothiazines and dihydro-1,4-benzothiazines. The 1,4-benzothiazine ring is the basic unit for the phaeomelanins and trichochrome melanin pigments ...
C. Brown, R.M. Davidson
openaire   +1 more source