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Dive into the research topics where Mohanad Shkoor is active.

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Featured researches published by Mohanad Shkoor.


Tetrahedron Letters | 2009

First synthesis of 4-(arylsulfonyl)phenols by regioselective [3+3] cyclocondensations of 1,3-bis(silyloxy)-1,3-butadienes with 2-arylsulfonyl-3-ethoxy-2-en-1-ones

Abdolmajid Riahi; Mohanad Shkoor; Olumide Fatunsin; Mathias Lubbe; Helmut Reinke; Peter Langer

Abstract The formal [3+3] cyclization of 1,3-bis(silyloxy)-1,3-butadienes with readily available 2-arylsulfonyl-3-ethoxy-2-en-1-ones resulted in regioselective formation of 4-(arylsulfonyl)phenols.


Zeitschrift für Naturforschung B | 2013

Synthesis of Functionalized Acetophenones by Formal [3+3] Cyclocondensations of 1,3-Bis(silyloxy)-1,3-butadienes with 3-Alkoxyand 3-Silyloxy-2-acetyl-2-en-1-ones

Rüdiger Dede; Abdolmajid Riahi; Mohanad Shkoor; Mirza Arfan Yawer; Ibrar Hussain; Nazken Kelzhanova; Zharylkasyn A. Abilov; Abiodun Falodun; Helmar Görls; Peter Langer

The TiCl4-mediated cyclization of 1,3-bis(silyloxy)-1,3-butadienes with 2-acetyl-1-silyloxybut-1- en-3-one and 3-acetyl-4-silyloxypent-3-en-2-one, readily available from 3-(formyl)acetylacetone and 3-(acetyl)acetylacetone (triacetylmethane), afforded a variety of functionalized acetophenones Graphical Abstract Synthesis of Functionalized Acetophenones by Formal [3+3] Cyclocondensations of 1,3-Bis(silyloxy)-1,3-butadienes with 3-Alkoxyand 3-Silyloxy-2-acetyl-2-en-1-ones


Phosphorus Sulfur and Silicon and The Related Elements | 2011

Synthesis of 2-Hydroxy-5-Arylselanyl-Benzoates by [3+3] Cyclocondensation of 1,3-Bis(Silyloxy)-1,3-Butadienes with 2-Arylseleno-3-Silyloxy-Alk-2-en-1-Ones

Mohanad Shkoor; Olumide Fatunsin; Abdolmajid Riahi; Peter Langer

Abstract Functionalized 2-hydroxy-5-arylselanyl-benzoates were prepared by formal [3+3] cyclizations of 1,3-bis(silyloxy)-1,3-butadienes with 2-arylselanyl-3-silyloxy-alk-2-en-1-ones. GRAPHICAL ABSTRACT


Tetrahedron | 2009

Regioselective synthesis of amino- and nitroarenes based on [3+3] cyclocondensations of 1,3-bis(silyloxy)-1,3-butadienes

Abdolmajid Riahi; Mohanad Shkoor; Olumide Fatunsin; Mirza Arfan Yawer; Ibrar Hussain; Christine Fischer; Peter Langer


Organic and Biomolecular Chemistry | 2009

Regioselective synthesis of 4-acyl-1-hydroxy-2,3-benzodioates by chelation-controlled [3+3] annulation of 3-acyl-4-ethoxy-2-oxo-3-enoates with 1,3-bis(trimethylsilyloxy)-1,3-butadienes

Abdolmajid Riahi; Mohanad Shkoor; Olumide Fatunsin; Rasheed Ahmad Khera; Christine Fischer; Peter Langer


Tetrahedron | 2010

Synthesis of of sterically encumbered biaryls based on a ‘copper(I)-catalyzed arylation/[3+3] cyclocondensation’ strategy

Ihsan Ullah; Muhammad Sher; Rasheed Ahmad Khera; Asad Ali; Muhammad Nawaz; Mohanad Shkoor; Inam Iqbal; Muhammad Imran; Alexander Villinger; Christine Fischer; Peter Langer


European Journal of Organic Chemistry | 2010

Competing Regiodirecting Effects of Ester and Aryl Groups in [3+3] Cyclocondensations of 1,3-Bis(trimethylsilyloxy)-1,3-butadienes: Regioselective Synthesis of 3-Hydroxyphthalates and 2-Hydroxyterephthalates

Mohanad Shkoor; Olumide Fatunsin; Abdolmajid Riahi; Mathias Lubbe; Stefanie Reim; Muhammad Sher; Alexander Villinger; Christine Fischer; Peter Langer


Tetrahedron Letters | 2009

Regioselective synthesis of functionalized 4-nitro- and 4-amino-phenols based on formal [3+3] cyclocondensations of 3-ethoxy-2-nitro-2-en-1-ones with 1,3-bis(silyloxy)-1,3-butadienes

Abdolmajid Riahi; Mohanad Shkoor; Rasheed Ahmad Khera; Helmut Reinke; Peter Langer


Tetrahedron Letters | 2009

Synthesis of functionalized diaryl selenides by the first [3+3] cyclocondensations of 1,3-bis(silyloxy)-1,3-butadienes with organoselenium compounds

Mohanad Shkoor; Olumide Fatunsin; Abdolmajid Riahi; Alexander Villinger; Peter Langer


Tetrahedron Letters | 2011

Regioselective Suzuki–Miyaura reactions of the bis(triflate) of 1,2,3,4-tetrahydro-9,10-dihydroxyanthracen-1-one

Ghazwan Ali Salman; Ahmed Mahal; Mohanad Shkoor; Munawar Hussain; Alexander Villinger; Peter Langer

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