Results 111 to 120 of about 40,956 (258)

Chemoselective Alkylating Esterification of Thiophosphinic Acids: An Experimental and Theoretical Study. [PDF]

Chempluschem
Keglevich G, Nagy D, Mucsi Z, Karaghiosoff K, Czugler M, Drahos L, Ágnes G.   +6 more
europepmc   +1 more source

SHARPLES TRIETHYLAMINE [PDF]

Chemical & Engineering News Archive, 1945
openaire   +1 more source

Stereoselective Higher‐Order [10+4]‐ and [10+6] Cycloadditions Between Two Highly Unsaturated and Ambiphilic π‐Addends

Chemistry – A European Journal, EarlyView.
Aminocatalytically generated isobenzofulvenes and 3‐oxidopyridinium betaines act as ambiphilic reaction partners in orbital‐symmetry‐allowed [10+4] cycloadditions or formally symmetry‐forbidden concerted thermal [10+6] cycloadditions. The reaction furnishes three cycloadducts: one [10+4] cycloadduct and two regioisomeric [10+6] cycloadducts.
Jonas Faghtmann, Anne Kristensen, Fabien Fritz, Signe Sofie Pladsbjerg Andresen, Anne Rask Østergaard, Johannes Nygaard Lamhauge, K. N. Houk, Karl Anker Jørgensen   +7 more
wiley   +1 more source

Analytical Method by Headspace-Gas Chromatography for Determination of Six Residual Solvents in Losartan Potassium Raw Material. [PDF]

J Sep Sci
de Camargo VB, Garcia CV.
europepmc   +1 more source

Dual Acid Responses of Stable Luminescent Diphenylpyridylmethyl Radicals With Additional Pyridyl Groups

Chemistry – A European Journal, EarlyView.
To expand the acid‐responsive behavior of diphenylpyridylmethyl stable luminescent radicals, additional pyridyl groups were introduced. Dual acid responsiveness was observed, involving both the newly incorporated pyridyl groups and the PyBTM moieties.
Yohei Hattori, Kojiro Nakagawa, Kingo Uchida, Gwénaël Rapenne   +3 more
wiley   +1 more source

In situ Generation of Fluoride Catalysts for CO2‐to‐Formic Acid Conversion With Silicon Reducing Agent

Chemistry – A European Journal, EarlyView.
Reductive conversion of CO2 to formic acid with waste silicon reducing agent catalyzed by in situ generation of active fluoride species from a tertiary amine, protonic acid, and simple inorganic fluoride salt, such as KF and NaF. ABSTRACT The activation and catalytic reduction of carbon dioxide (CO2) using silicon‐based reducing agents is an important ...
S. M. A. Hakim Siddiki, Yusuke Tanimura, Mariko Honda, Shingo Hasegawa, Kazuo Namba, Yuichi Manaka, Ken Motokura   +6 more
wiley   +1 more source

Kinetic resolution of amino acids by phosphine oxide catalyzed enantioselective esterification. [PDF]

Nat Commun
Ren JW, Sun JH, Li KH, Lin MR, Zeng JL, Ai XM.   +5 more
europepmc   +1 more source

Synthesis and Reactivity of 3‐Aminosydnones in Cycloaddition Reactions With Alkynes

Chemistry – A European Journal, EarlyView.
The synthesis, functionalization, and reactivity as dipoles of 3‐aminosydnones have been investigated. These neglected compounds undergo smooth cycloaddition reactions with strained alkynes, leading to 1‐aminopyrazoles. ABSTRACT We present in this article the synthesis, functionalization, and properties of 3‐aminosydnones, a forgotten class of ...
Apolline Dominic, Timothée D'anfray, Guillaume Force, David‐Alexandre Buisson, Maxime Tricoire, Alexis Leblais, Davide Audisio, Frédéric Taran   +7 more
wiley   +1 more source

Catalytic properties of the Pd/C – triethylamine system

ARKIVOC, 2008
Yoann Coquerel, Jean Rodriguez
doaj   +1 more source

Naphthoquinone-derived tridentate Ru(II) and Os(II) organometallics with exceptional cytotoxicity: synthesis, characterization, stability in aqueous solution and biological <i>in vitro</i> evaluation. [PDF]

Dalton Trans
Rosner A, Geisler H, Hejl M, Gradl M, Legin AA, Prado-Roller A, Jakupec MA, Heffeter P, Berger W, Keppler BK, Kandioller W.   +10 more
europepmc   +1 more source