Results 231 to 240 of about 207,671 (274)

De-Saturation of Single-Atom Copper Catalysts for Accelerating Propargylic Substitution Reactions. [PDF]

Adv Mater
Cai Q, Meng Y, Wu C, Qu W, Wang Q, Li T, Liu C, Chen J, Lin H, He Q, Zhao Y, Xi S, Lu J.   +12 more
europepmc   +1 more source

Catalytic Oxidative Ligand Transfer of Rh-Carbynoids and Alkyl Iodides. [PDF]

J Am Chem Soc
Esteve Guasch J, Pal D, Suero MG.
europepmc   +1 more source

Copper-Catalyzed Asymmetric Amino Lactonization of Alkenes: Direct Access to Enantioenriched 1,2-Alkylamino Alcohol Derivatives. [PDF]

J Am Chem Soc
Feng G, Hemric BN, Velopolcek M, Liu C, Wang Q.   +4 more
europepmc   +1 more source

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Substitution Reactions of Hindered Cyclic Sulfamidates

Synthesis, 2002
AbstractFor Abstract see ChemInform Abstract in Full Text.
Jeffrey J. Posakony, Timothy J. Tewson
openaire   +1 more source

Block-Cyclic Structuring of the Basis of Fourier Transforms Based on Cyclic Substitution

Cybernetics and Systems Analysis, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Prots'ko, I., Mishchuk, M.
openaire   +2 more sources

Nonsymmetrically Substituted Cyclic Urea HIV Protease Inhibitors

Journal of Medicinal Chemistry, 1997
A series of nonsymmetrically substituted cyclic ureacarboxamides was synthesized and evaluated for antiviral activity as a function of the inhibition of HIV-protease. Selected protease inhibitors were also evaluated for oral bioavailability. The synthesis, pharmacology, quantitative structure-activity relationship (QSAR), and pharmacokinetics for the ...
W W, Wilkerson, S, Dax, W W, Cheatham
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Cyclic phosphines and arsines. IV. Perfluoroalkyl-substituted cyclic phosphines

Australian Journal of Chemistry, 1972
Diiodopentafluoroethylphosphine and iodobispentafluoroethylphosphine have been prepared. Reaction of these compounds with silver chloride and silver cyanide leads to replacement of the iodide to give chloro and cyano phosphines. Reaction of RPI2 (R = CBF5, C3F7) with mercury gives the cyclic phosphine (PR)4,5.
HG Ang, ME Redwood, BO West
openaire   +1 more source

Asymmetric Cyclic Phosphorothonamides Containing Substituted Pyridine

Phosphorus, Sulfur, and Silicon and the Related Elements, 2006
In order to find high-acitivity and low-toxicity pesticidal lead compounds, a type of novel, asymmetric cyclic phosphorothonamides containing substituted pyridine were synthesized via the condensation reactions of 2-chloro-4-substitutedphenyl-5,5-dimethyl-1,3,2-dioxaphosphinane 2-sulfide with 3-aminomethylpyridine.
De-Qing Shi, Abudhaim Feras, Yi Liu
openaire   +1 more source

ARYLPHENYL-SUBSTITUTED CYCLIC KETO-ENOLS

1999
The invention relates to new arylphenyl-substituted cyclic keto-enols of the formula (I), where X is halogen, alkyl, alkoxy, alkenyloxy, alkylthio, alkyl sulfinyl, alkyl sulfonyl, halogen alkyl, halogen alkoxy, halogen alkenyloxy, nitro, cyano, or a phenyl, phenoxy, phenylthio, phenylalkoxy or phenylalkylthio which each can possibly be substituted; Y ...
BAYER AG, LIEB FOLKER, FISCHER REINER, GRAFF ALAN, SCHNEIDER UDO, BRETSCHNEIDER THOMAS, ERDELEN CHRISTOPH, ANDERSCH WOLFRAM, DREWES MARK WILHELM, DOLLINGER MARKUS, WETCHOLOWSKY INGO, MYERS RANDY ALLEN   +11 more
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Tip-substituted cage and cyclic silanols

Journal of Organometallic Chemistry, 2003
Abstract Synthesis of novel cage and cyclic silanols bearing Tip (2,4,6-triisopropylphenyl) groups was performed. Tip-substituted silanetriol, TipSi(OH)3 (1) was prepared from TipSiCl3, and can be handled without special care in the air. The versatility of this silanol is amply demonstrated as a starting material of various silanols with novel ...
Masafumi Unno, Toshihiko Tanaka, Hideyuki Matsumoto   +2 more
openaire   +1 more source