Results 51 to 60 of about 7,946 (266)
E-Journal of Chemistry, 2012 A facile method for a mild single pot reductive cleavage of 1,2-oxazines to γ-hydroxy ketones was developed using zinc and aqueous ammonium chloride as the reagent in methanol.
P. Sunil Kumar, K. M. Lokanatha Rai
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Chemistry – A European Journal, Accepted Article.Hemithioindigo (HTI) photoswitches exhibit robust photoisomerization under visible light and relatively high thermal bistability. In this work, we report various modifications of the HTI core, namely the introduction of aldehydes and carboxylic acids at the para position of the stilbene fragment with different oxidation states of the sulfur center, and
Matías I. Quindt +6 more
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Журнал органічної та фармацевтичної хімії, 2022 Aim. To analyze and summarize the synthetic potential of 1,2,3-triazole-4(5)-amines as efficient building blocks in the synthesis of triazolo-annulated pyridine, azine and azepine systems. Results and discussion.
Natalia O. Syrota +3 more
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Alkoxyallenes as building blocks for organic synthesis [PDF]
, 2014 Alkoxyallenes are unusually versatile C3 building blocks in organic synthesis. Hence this tutorial review summarizes the most important transformations, including subsequent reactions and their applications in the synthesis of relevant compounds, e.g ...
Reissig, Hans-Ulrich, Zimmer, Reinhold
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Enantioselective and Regiodivergent Copper-Catalyzed Electrophilic Arylation of Allylic Amides with Diaryliodonium Salts. [PDF]
, 2015 A catalytic enantioselective and regiodivergent arylation of alkenes is described. Chiral copper(II)bisoxazoline complexes catalyze the addition of diaryliodonium salts to allylic amides in excellent ee.
Cahard, Elise +3 more
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Cytotoxicity of 2-oxazines and poly(2-oxazine)s in mouse fibroblast
, 2018 Poly(2-oxazoline)s are a polymer family that has received much attention in the last decade as biomaterials. In contrast, poly(2-oxazine)s, which can be viewed as their higher backbone homologue, have received much less attention. A first step towards the assessment as potential biomaterials is the evaluation of the cytotoxicity of the polymers ...
Zuzana Kroneková +3 more
openaire +2 more sources
European Journal of Organic Chemistry, EarlyView.This review highlights recent advancements in the deconstructive transformation of unstrained cyclic amines, with a particular focus on the C−N bond cleavage of pyrrolidines. Various methodologies, including von Braun‐type, oxidative, and reductive approaches, facilitate the synthesis of diverse amines and the expansion of chemical space.
Eisuke Ota, Junichiro Yamaguchi
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ChemistryOpen, EarlyView.Quinazoline represents an important class of heterocycles with diverse medicinal and pharmacological significance. This review systematically examines scholarly efforts toward understanding different synthetic pathways emphasizing the role of metal and non‐metal catalysts including some miscellaneous reagents employed in the synthesis of quinazoline ...
Neha Manhas +4 more
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Arabian Journal of Chemistry, 2017 The antimicrobial activity of 1,3-disubstituted-1H-naphtho[1,2-e][1,3]oxazines was correlated with their physicochemical parameters using Hansch analysis for first time. The QSAR models were developed by both linear and multiple linear regression and the
Vikas Verma +3 more
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Chemical constitutions in the Colour Index™: A century of colourant classification
Coloration Technology, EarlyView.Abstract This article details how the Colour Index™ (CI) system categorises and unambiguously labels commercial dyes and pigments based upon their chemical constitutions. It outlines the current process by which colourants that are new to the market find a place within CI and acquire generic identifiers.
Andrew Towns
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