Results 161 to 170 of about 8,619 (196)

Topological classification of cycloadditions occurring on-surface and in the solid-state. [PDF]

Commun Chem
Li J, Mirzanejad A, Dong WH, Liu K, Richter M, Wang XY, Berger R, Du S, Auwärter W, Barth JV, Ma J, Müllen K, Feng X, Sun JT, Muechler L, Palma CA.   +15 more
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Asymmetric 1,3-dipolar cycloadditions of acrylamides [PDF]

Chem. Soc. Rev., 2010
This critical review, which is relevant to researchers in synthetic organic chemistry, focuses on asymmetric 1,3-dipolar cycloadditions with acrylamides. The use of chiral acrylamides as dipolarophiles leads to high levels of stereocontrol, due to conformational constraint in the acrylamides.
Marie, Kissane, Anita R, Maguire
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Natural 1,3‐Dipolar Cycloadditions

Angewandte Chemie International Edition, 2015
[3+2] in the wild: Biomimetic natural product syntheses and theoretical considerations have indicated that 1,3-dipolar cycloadditions take place in nature. Now, the structure, biosynthesis, and function of a heavily modified prenylated flavin cofactor have been elucidated.
Martin, Baunach, Christian, Hertweck
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Extended dipolar cycloadditions

Journal of the Chemical Society, Perkin Transactions 1, 1975
Whilst the simple azomethine imine (5) undergoes the expected 1,3-dipolar cycloaddition to acetylenic esters, the extended azomethine imines (1) undergo 1,5-rather than 1,3-dipolar cycloaddition to give benzo[c][1,2,5]-triazepino[1,2-a]cinnolines (2), possibly by a stepwise mechanism 2-Alkyl-2λ5σ3-naphtho[1,8-de]triazines (12) and 2λ4σ2-naphtho[1,8-cd ...
Stephanie F. Gait, Michael J. Rance, Charles W. Rees, Reginald W. Stephenson, Richard C. Storr   +4 more
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1,11-Dipolar cycloaddition

Journal of the Chemical Society, Chemical Communications, 1972
2-Methylnaphtho[1,8-de]triazine undergoes 1,11-dipolar (12π+ 2π) cycloaddition to acetylenic esters to give 2-methylacenaphtho[5,6-de]triazines, after spontaneous dehydrogenation.
C. W. Rees, R. W. Stephenson, R. C. Storr   +2 more
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Asymmetric 1,3-dipolar cycloadditions

Tetrahedron, 2007
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.
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1,3-Dipolare Cycloaddition

1994
Von Huisgen 1,2) wurde 1963 die 1,3-dipolare Cycloaddition 3–5) als Reaktionsprinzip zum Aufbau von Heterocyclen systematisiert. Man versteht darunter die Addition eines 1,3-Dipols 1, der aus den verschiedenen Kombinationen von Kohlenstoff-, Stickstoff- und Sauerstoffatomen bestehen kann und vier nicht dienische π-Elektronen umfast, an eine ...
Thomas Laue, Andreas Plagens
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1,3-Dipolar Cycloadditions in Aqueous Media

HETEROCYCLES, 2006
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.
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Boryl Azides in 1,3-Dipolar Cycloadditions

The Journal of Organic Chemistry, 2014
The 1,3-dipolar cycloaddition reaction of boron azides with alkynes has been investigated experimentally and computationally. At room temperature pinBN3 (pin = pinacolato) reacts with the strained triple bond of cyclooctyne with formation of an oligomeric boryl triazole.
Matthias, Müller, Cäcilia, Maichle-Mössmer, Holger F, Bettinger   +2 more
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