Results 151 to 160 of about 4,839 (215)

Synthesis of 2-Oxazolines from <i>N</i>-Allyl and <i>N</i>-Propargyl Amides. [PDF]

Molecules
Bojar K, Branowska D, Wolińska E.
europepmc   +1 more source

Effects of nonpharmacological manipulations and repeated xanomeline treatment on methamphetamine-vs-food choice in Sprague Dawley and Long Evans rats. [PDF]

Drug Alcohol Depend
Baldwin AN, Banks ML.
europepmc   +1 more source

Synthesis of 2,4,5‐Trisubstituted Oxazoles.

ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Guo-lin Zhang, Xiao-hua Cai, Hai-jun Yang   +2 more
openaire   +2 more sources

Oxazoles

, 2022
Developments in the chemistry of five-membered ring heterocycles containing non-adjacent oxygen and nitrogen atoms in the period 2007–2020 are reviewed.
R. Alan Aitken, Ryan A. Inwood
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Chemistry of oxazoles

Chemical Reviews, 1975
Ignatius J Turchi
exaly   +2 more sources

Synthesis of functionalised oxazoles and bis-oxazoles 1

Journal of the Chemical Society, Perkin Transactions 1, 1998
A new method for the synthesis of oxazoles, and in particular chiral non-racemic oxazoles derived from amino acids, has been developed. Thus, rhodium(II) catalysed reaction of diazocarbonyl compounds 6 and 11 in the presence of amides 8 and 10 results in regioselective insertion of the carbenoid into the amide N–H bond with formation of the β-carbonyl ...
Mark C. Bagley, Richard T. Buck, S. Lucy Hind, Christopher J. Moody   +3 more
openaire   +1 more source

Cycloaddition of Fluorinated Oxazoles.

ChemInform, 2005
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
N. V. Vasil'ev, V. M. Koshelev, D. V. Romanov, K. A. Lyssenko, M. Yu. Antipin, G. V. Zatonskii   +5 more
openaire   +1 more source

ChemInform Abstract: Synthesis of Functionalized Oxazoles and Bis‐Oxazoles.

ChemInform, 1998
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
M. C. BAGLEY, R. T. BUCK, S. L. HIND, C. J. MOODY   +3 more
openaire   +1 more source

Direct Arylation of Oxazoles at C2. A Concise Approach to Consecutively Linked Oxazoles

Organic Letters, 2008
The synthesis of bis- and trisoxazoles via direct arylation is discussed. A variety of aryl groups can be installed at the 2-position of 5-aryl and 5-carboxy-substituted oxazoles under mild conditions using palladium catalysis on water. The direct arylation method can be extended to the synthesis of bis- and trisoxazoles if 2-triisopropylsilyl-4 ...
Flegeau, Emmanuel Ferrer, Popkin, Matthew E., Greaney, Michael F.   +2 more
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Monosubstituted Oxazoles. 1. Synthesis of 5-Substituted Oxazoles by Directed Alkylation

The Journal of Organic Chemistry, 1998
A general method is presented for synthesis of 2-(methylthio)-5-substituted oxazoles 2. Deprotonation of the readily available 2-(methylthio)oxazole (1) with n-BuLi occurs smoothly in the presence of TMEDA and regiospecifically at C5. The organometallic 1a added rapidly to aldehydes and other electrophiles to provide 5-substituted-2-(methylthio ...
Cynthia M., Shafer, Tadeusz F., Molinski
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