Results 41 to 50 of about 9,399 (254)

Synthesis and crystal structures of two racemic 2-heteroaryl-3-phenyl-2,3-dihydro-4H-pyrido[3,2-e][1,3]thiazin-4-ones

Acta Crystallographica Section E: Crystallographic Communications
3-Phenyl-2-(thiophen-3-yl)-2,3-dihydro-4H-pyrido[3,2-e][1,3]thiazin-4-one (C17H12N2OS2, 1) and 2-(1H-indol-3-yl)-3-phenyl-2,3-dihydro-4H-pyrido[3,2-e][1,3]thiazin-4-one 0.438-hydrate (C21H15N3OS·0.438H2O, 2) crystallize in space groups P21/n and C2/c ...
Hemant P. Yennawar, Tapas K. Mal, Mark A. Olsen, Anthony F. Lagalante, Evelyn M. Louca, Aloura D. Gavalis, Lee J. Silverberg   +6 more
doaj   +1 more source

Methyl 4-hydroxy-2-isopropyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate

Acta Crystallographica Section E, 2011
In the crystal structure of the title molecule, C13H15NO5S, the S and N atoms of the thiazine ring exihibit the maximum deviations from the least-squares plane of 0.3008 (6) and 0.3280 (7) Å, respectively.
Muhammad Nadeem Arshad, Islam Ullah Khan, Muhammad Zia-ur-Rehman, H. M. Rafique, K. Travis Holman   +4 more
doaj   +1 more source

Live-box experiments with anchovetas, Cetengraulis mysticetus, in the Gulf of Panama [PDF]

, 1962
ENGLISH: Extensive live-box experiments were conducted during 1958, 1959, and 1960 to test the efficacy of various tags and marks for use with anchovetas, and to test the effects of the use of anesthetics and antibiotics with the tagging.
Bayliff, William H., Klima, Edward F.
core  

rac-2,3-Diphenyl-2,3-dihydro-4H-pyrido[3,2-e][1,3]thiazin-4-one 1-oxide

IUCrData, 2017
In the title compound, C19H14N2O2S, the thiazine ring exhibits a screw-boat pucker. The oxygen atom on the sulfur atom of the ring is pseudo-axial on the thiazine ring.
Hemant P. Yennawar, Duncan J. Noble, Ziwei Yang, Lee J. Silverberg   +3 more
doaj   +1 more source

Crystal structure of (E)-2-benzylidene-4-[(3-phenyl-4,5-dihydroisoxazol-5-yl)methyl]-2H-benzo[b][1,4]thiazin-3(4H)-one

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C25H20N2O2S, the dihydroisoxazole ring exhibits an envelope conformation with the methine atom being the flap, while the 1,4-thiazine ring displays a screw-boat conformation.
Nada Kheira Sebbar, Mohamed Ellouz, El Mokhtar Essassi, Mohamed Saadi, Lahcen El Ammari   +4 more
doaj   +1 more source

EFSA CEF Panel (EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids), 2013. Scientific Opinion on Flavouring Group Evaluation 93, Revision 1 (FGE.93Rev1) [PDF]

, 2013
International ...
Aeschbacher, Cramer, EFSA (European Food Safety Authority), EFSA CEF Panel (EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids), EFSA CEF Panel (EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids), EFSA CEF Panel (EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids), Florin, JECFA (Joint FAO/WHO Expert Committee on Food Additives), JECFA (Joint FAO/WHO Expert Committee on Food Additives), JECFA (Joint FAO/WHO Expert Committee on Food Additives), Lee, Longfellow, Longfellow, Mihara, Mosier, SCF (Scientific Committee for Food), Shibuya T, Tanaka, Voogd, Watters, Zeiger   +20 more
core   +2 more sources

Organic field‐effect transistors: Materials design, device physics, and contact engineering for high‐performance flexible electronics

Information &Functional Materials, EarlyView.
This review bridges molecular design with device engineering to address key challenges in organic transistors. By integrating materials chemistry with contact optimization, it provides pathways toward stable, high‐performance flexible electronics. Abstract Organic field‐effect transistors are widely recognized as key enabling components for low‐cost ...
Fenglan Kuang, Fei Wang, Dawei Duan, Yicong Ma, Xiaokang Sun, Soumitra Satapathi, Annie Ng, Haoran Lin, Zheng Li, Yufei Zhong, Hanlin Hu   +10 more
wiley   +1 more source

Methyl 2-butyl-4-hydroxy-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate

Acta Crystallographica Section E, 2012
In the title compound, C14H17NO5S, the thiazine ring adopts a half-chair conformation. The molecule exhibits an intramolecular O—H...O hydrogen bond, which forms a six-membered S(6) ring motif.
Muhammad Nadeem Arshad, Islam Ullah Khan, Muhammad Zia-ur-Rehman, Waseem Ahmed, Abdullah M. Asiri   +4 more
doaj   +1 more source

Investigating the Intercarbonyl X...C' (X=O/S/N) Interactions in Short Peptides and Peptidomimetics. Evidence of charge->II* Interactions. Synthesis and Characterization of Thioimidate Isostere Containing Peptidomimetics [PDF]

, 2016
This thesis entitled “Investigating the Intercarbonyl X···C′ (X = O/S/N) Interactions in Short Peptides and Peptidomimetics. Evidence of Charge→π* Interactions. Synthesis and Characterization of Thioimidate Isostere Containing Peptidomimetics” is divided
Tumminakatti, Shama
core   +1 more source

Diverse reactivity of maleimides in polymer science and beyond

Polymer International, Volume 74, Issue 4, Page 296-306, April 2025.
This mini‐review provides a thorough overview of maleimide chemistry, highlighting its diverse reactivity in polymer and materials science applications. Abstract Maleimides are remarkably versatile functional groups, capable of participating in homo‐ and copolymerizations, Diels–Alder and (photo)cycloadditions, Michael additions, and other reactions ...
Bruce E Kirkpatrick, Kristi S Anseth, Tayler S Hebner   +2 more
wiley   +1 more source