Results 21 to 30 of about 103,451 (274)

Reactive organoallyl species generated from aryl halides and allene: allylation of alpha,beta-unsaturated aldehydes and cyclic ketones employing Pd/In transmetallation processes [PDF]

, 2008
Allylation of α,β-unsaturated aldehydes and cyclic ketones promoted by Pd/In transmetallation processes has been studied. The unsaturated aldehydes underwent regioselective 1,2-addition to afford secondary homoally alcohols.
Anwar, Araki, Araki, Araki, Araki, Brase, Cacchi, Chan, Cleghorn, Cleghorn, Cooper, Cooper, Cooper, Denmark, Dupont, Fontana, Gai, Gomez, Grigg, Han, Hirashita, Hopkins, Howell, Kang, Kimura, Kless, Knodler, Larock, Laura A.T. Cleghorn, Law, Lee, Li, Littke, Liu, Marshall, Milena Simic, Miles, Miura, Miyabe, Nakahara, Norsikian, Ohno, Pardoe, Parrill, Podlech, Quan, Ronald Grigg, Sole, Tamaru, Tang, Tietze, Tsuji, Vladimir Savic, Wang, Zanoni, Zanoni, Zhou   +56 more
core   +2 more sources

Microwave-Assisted Synthesis and Evaluation of Antimicrobial Activity of 3-{3-(s-Aryl and s-Heteroaromatic)acryloyl}-2Hchromen-2-one Derivatives [PDF]

, 2010
The exploration of potential utilization of microwaves as an energy source for heterocyclic synthesis was herein investigated using condensation of 3-acetylcoumarin (1) with aromatic and heteroaromatic aldehydes to afford the corresponding aromatic ...
Ajani, Al-Soud, Anderson, Anzari, Curir, DekicÌ, Devi, Gaber, Govori, Gürsoy, Hayes, Hwu, Jayashree, Kontogiorgis, Kostova, Kotali, Lacy, Larsen, Lee, Lewis, Lisgarten, Luszcski, Lévai, Majumdar, Mashelkar, Meteeva, Montagner Souza, Mouri, Neyts, Pivonka, Ragitha, Raviraj, Roma, Russell, Satyanarayana, Saxena, Schobert, Siddiqui, Son, Srinivas, Tamilvanan, Tassies, Tosun, Tran, Venugopala, Yamamoto, Yenjai, Yun   +47 more
core   +1 more source

1-[(3-Nitrophenyl)(piperidin-1-yl)methyl]piperidine [PDF]

Acta Crystallographica Section E Structure Reports Online, 2012
In the crystal structure of the title compound, C17H25N3O2, one-dimensional chains are formed via intermolecular C—H...O hydrogen bonds along the a axis.
Zhe-Qin Wang, Yi Ma
openaire   +3 more sources

General Light-Mediated, Highly Diastereoselective Piperidine Epimerization: From Most Accessible to Most Stable Stereoisomer.

Journal of the American Chemical Society, 2020
We report a combined photocatalytic and hydrogen atom transfer (HAT) approach for the light-mediated epimerization of readily accessible piperidines to provide the more stable diastereomer with high selectivity.
Zican Shen, Morgan M. Walker, Shuming Chen, Giovanny A. Parada, Duc Chu, Dongbang Sun, J. M. Mayer, K. Houk, J. Ellman   +8 more
semanticscholar   +1 more source

Microwave Assisted Synthesis of Py-Im Polyamides [PDF]

, 2012
Microwave synthesis was utilized to rapidly build Py-Im polyamides in high yields and purity using Boc-protection chemistry on Kaiser oxime resin. A representative polyamide targeting the 5′-WGWWCW-3′ (W = A or T) subset of the consensus Androgen and ...
Bacsa B., Baird E. E., Bando T., Baptiste B., Chenoweth D. M., Chenoweth D. M., Chenoweth D. M., Choi J. S., Dale J. A., DeGrado W. F., Dervan P. B., Dervan P. B., Dose C., Edelson B. S., Farnham P. J., Harki D. A., Harris D., James W. Puckett, Joshua T. Green, Kappe C. O., Krutzik P. O., König B., Lai Y.-M., Murray J. K., Muzikar K. A., Nickols N. G., Olenyuk B. Z., Olivos H. J., Palasek S. A., Pelton J. G., Peter B. Dervan, Raskatov J. A., Sinyakov A. N., Su W., Turner J. M., Wade W. S., White S., Wurtz N. R., Xiao J. H.   +38 more
core   +2 more sources

Büchwald-Hartwig reaction applied to synthesis of new luminescent liquid crystal triarylamines derived from isoxazoles [PDF]

, 2015
© 2015 Taylor & Francis Group, LLC. The present work describes the synthesis and characterization of novel series of triarylamines isoxazoles (TAA) addressed to the organic photovoltaic materials. Diarylisoxazoles were synthesized by sequential [3+2] 1,
Fernandes, T. H. M., Kelly, S. M., Merlo, A. A., Vilela, G. D.   +3 more
core   +2 more sources

4-[4-(Piperidin-1-yl)piperidin-1-yl]benzonitrile [PDF]

Acta Crystallographica Section E Structure Reports Online, 2010
In the title compound, C(17)H(23)N(3), both piperidine rings adopt chair conformations. In the crystal packing, intermolecular C-H⋯N hydrogen bonds and C-H⋯π interactions are present.
Guo-bin Xu, Jian-you Shi, Li-juan Chen, You-fu Luo   +3 more
openaire   +3 more sources

New developments in the synthesis of emicoron [PDF]

, 2018
This paper reports on the modification of two synthetic steps in the usual protocol used for obtaining EMICORON. EMICORON is a benzo[ghi]perylen-diimide, which was synthesized for the first time in our laboratory in 2012, and has shown to have in vivo ...
Bianco, Armandodoriano, Ciccola, Alessandro, Franceschin, Marco, Frezza, Claudio, Pitorri, Massimo, Serafini, Ilaria   +5 more
core   +1 more source

The Stereoselective Nitro-Mannich Reaction in the Synthesis of Active Pharmaceutical Ingredients and Other Biologically Active Compounds

Frontiers in Chemistry, 2020
The nitro-Mannich (aza-Henry) reaction, in which a nitroalkane and an imine react to form a β-nitroamine, is a versatile tool for target-oriented synthesis. Although the first stereoselective reaction was developed only 20 years ago, and enantioselective
Ana Maria Faisca Phillips, M. Fátima C. Guedes da Silva, Armando J. L. Pombeiro   +2 more
doaj   +1 more source

Phenyl piperidine-1-carboxylate [PDF]

Acta Crystallographica Section E Structure Reports Online, 2009
Dans le composé du titre, C(12)H(15)NO(2), l'angle dièdre entre le cycle benzénique et le plan basal du cycle pipéridine (qui est dans une conformation de chaise) est de 49,55 (8)°. Dans le cristal, les mol-écules sont liées par des liaisons hydrogène C-H 0 et des interactions C-H π très faibles.
Durre Shahwar, Muhammad Nawaz Tahir, Naeem Ahmad, Saif Ullah, Muhammad Akmal Khan   +4 more
openaire   +3 more sources