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Transition Metal-Free Intramolecular Friedel-Crafts Reaction by Alkene Activation: A Method for the Synthesis of Some Novel Xanthene Derivatives

Tülay Yıldız,
İrem Baştaş and
Hatice Başpınar Küçük

Published 25 May 2021

Beilstein Arch. 2021, 202140. doi:10.3762/bxiv.2021.40.v1

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Copper-Mediated Oxidative C−H/N−H Activations with Alkynes by Removable Hydrazides

Feng Xiong,
Bo Li,
Chenrui Yang,
Liang Zou,
Wenbo Ma,
Linghui Gu,
Ruhuai Mei and
Lutz Ackermann

Published 21 May 2021

Beilstein Arch. 2021, 202139. doi:10.3762/bxiv.2021.39.v1

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Unexpected synthesis and structure of a cage-like aza[3,3,3]propllane carbene

Ziqi Su,
Qi Zhang,
Guangwei Zhou,
Qianzhu Chen,
Yahan Xue,
Lizhu Zhang,
Qunsheng Yan,
Juan Xu,
Quansong Li and
Jiarong Li

Published 05 May 2021

Beilstein Arch. 2021, 202136. doi:10.3762/bxiv.2021.36.v1

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Highly selective difluoromethylations of β-keto amides with TMSCF₂Br under mild conditions

Yakun Wang,
Shuaifei Wang,
Conghui Zhang,
Ting Zhao,
Yanqin Hu,
Mingwei Zhang,
Pengli Chen,
Yang Fu and
Jieli Lv

Published 20 Apr 2021

Beilstein Arch. 2021, 202135. doi:10.3762/bxiv.2021.35.v1

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Organocatalytic Asymmetric Michael/Acyl Transfer Reaction between α-Nitroketones and 4-Arylidene- pyrrolidine-2,3-diones

Chandrakanta Parida and
Subhas C Pan

Published 23 Mar 2021

Beilstein Arch. 2021, 202128. doi:10.3762/bxiv.2021.28.v1

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Synthesis of polycyclic hydrocarbons C₁₄H₂₀ by hydrogenation of exo-exo-, exo-endo-, endo-exo-, and endo-endo- hexacyclo[9.2.1.0^2,10.0^3,8.0^4,6.0^5,9]tetradec-12-enes with H₂SO₄ and isomerization of the products to diamantane induced by ionic liquids

Rishat Aminov and
Ravil Khusnutdinov

Published 18 Mar 2021

Beilstein Arch. 2021, 202124. doi:10.3762/bxiv.2021.24.v1

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DBU-catalyzed Michael addition of bulky glycine imine to α,β-unsaturated isoxazoles and pyrazolamides

Yu-Jun Bai,
Mei-Ling Cheng,
Xiao-Mu Hu,
Ya-Jun Bai,
Xiao-Hui Zheng,
Sheng-Yong Zhang and
Ping-An Wang

Published 09 Mar 2021

Beilstein Arch. 2021, 202118. doi:10.3762/bxiv.2021.18.v1

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Cascade Intramolecular Prins/Friedel–Crafts Cyclization for the Synthesis of 4-Aryl-tetralin-2-ols and 5-Aryl-tetrahydro-5H-benzo[7]annulen-7-ols

Jie Zheng,
Shuyu Meng and
Quan Rui Wang

Published 08 Mar 2021

Beilstein Arch. 2021, 202117. doi:10.3762/bxiv.2021.17.v1

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Chiral Isothiourea-Catalyzed Kinetic Resolution of 4-Hydroxy[2.2]paracyclophane

David Weinzierl and
Mario Waser

Published 25 Feb 2021

Beilstein Arch. 2021, 202114. doi:10.3762/bxiv.2021.14.v1

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Metal-free visible-light-enabled vicinal trifluoromethyl dithiolation of unactivated alkenes

Xiaojuan Li,
Qiang Zhang,
Weigang Zhang,
Jinzhu Ma,
Yi Wang and
Yi Pan

Published 13 Jan 2021

Beilstein Arch. 2021, 20211. doi:10.3762/bxiv.2021.1.v1

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The Synthesis of Chiral β-Naphthyl-β-Sulfanyl Ketones via Enantioselective Sulfa-Michael Reaction in the Presence of a Bifunctional Cinchona/Sulfonamide Organocatalyst

Deniz Tözendemir and
Cihangir Tanyeli

Published 12 Nov 2020

Beilstein Arch. 2020, 2020129. doi:10.3762/bxiv.2020.129.v1

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Synthesis of aminonaphthoquinone derivatives with Ceric Ammonium Nitrate (CAN) as a catalyst: NMR characterization and in silico reaction mechanism

Jhoan H. Piermattey,
Jhon Zapata-Rivera,
Juan Oviedo,
Ricardo Gaitan and
Harold Gomez

Published 09 Nov 2020

Beilstein Arch. 2020, 2020128. doi:10.3762/bxiv.2020.128.v1

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Au(III) Complexes with tetradentate cyclam based ligands

Ann C Reiersølmoen,
Thomas N Solvi and
Anne Fiksdahl

Published 02 Nov 2020

Beilstein Arch. 2020, 2020124. doi:10.3762/bxiv.2020.124.v1

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Experimental investigation on the correlation between the physicochemical properties and catalytic activity of six DESs in Kabachnik-Fields reaction

Shaibuna Machingal and
Sreekumar Krishnapillai

Published 26 Aug 2020

Beilstein Arch. 2020, 202097. doi:10.3762/bxiv.2020.97.v1

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Mechanism of Base-Catalyzed Halogen Dance Reactions and the Role of Bromo-Bridged Transition States

Nader Sakhaee,
Yousef Fazaeli,
Esmail Doustkhah,
Sahar Sakhaee,
Ahmad Takallou and
Akbar Mobaraki

Published 27 Jul 2020

Beilstein Arch. 2020, 202086. doi:10.3762/bxiv.2020.86.v1

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Ring closing metathesis of prochiral oxaenediynes to racemic 4-alkenyl-2-alkynyl-3,6-dihydro-2H-pyrans

Viola Kolaříková,
Markéta Rybáčková,
Martin Svoboda and
Jaroslav Kvíčala

Published 24 Jul 2020

Beilstein Arch. 2020, 202084. doi:10.3762/bxiv.2020.84.v1

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Hierarchically assembled helicates as reaction platform – From stoichiometric Diels-Alder reactions to enamine catalysis

David Van Craen,
Jenny Begall,
Johannes Grosskurth,
Leonard Himmel,
Oliver Linnenberg,
Elisabeth Isaak and
Markus Albrecht

Published 17 Jul 2020

Beilstein Arch. 2020, 202082. doi:10.3762/bxiv.2020.82.v1

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Azo-dimethylaminopyridine functionalized Ni(II)-Porphyrin as a Photoswitchable Nucleophilic Catalyst

Jannis Ludwig,
Julian Helberg,
Hendrik Zipse and
Rainer Herges

Published 09 Jun 2020

Beilstein Arch. 2020, 202070. doi:10.3762/bxiv.2020.70.v1

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A Novel Sustainable Method to Prepare Glutaric Acid from Glucose

Lei Hao,
Chao Jie Li,
Lian Bo Zhao,
Xi Xian Xie and
Kui Lu

Published 19 May 2020

Beilstein Arch. 2020, 202062. doi:10.3762/bxiv.2020.62.v1

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Convenient Synthesis and Biological Evaluation of Bis(indolyl)methane Alkaloid and Bis(aryl)alkanes Derivatives with Anti-cancer Properties

Liang Qi,
Linxia Xiao and
Rui Lin

Published 08 May 2020

Beilstein Arch. 2020, 202060. doi:10.3762/bxiv.2020.60.v1

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Azidophosphonium salt directed chemoselective synthesis of (E)/(Z)-cinnamyl-1H-triazoles and regiospecific access to bromo-methyl coumarins from Baylis-Hillman adducts

S Karthikeyan,
R Shobana,
K R Subimol,
J Helen Ratna Monica and
Ayyanoth Karthik Krishna Kumar

Published 01 Apr 2020

Beilstein Arch. 2020, 202038. doi:10.3762/bxiv.2020.38.v1

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Decarboxylative Bromination of Thiazole Core and Consecutive Cross-Coupling Reactions

Emma Freiberger,
Eric Täuscher,
Uwe Ritter,
Nadine Eckert and
Helmar Görls

Published 13 Mar 2020

Beilstein Arch. 2020, 202027. doi:10.3762/bxiv.2020.27.v1

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Copper-Catalyzed Remote C–H Arylation of Polycyclic Aromatic Hydrocarbons (PAHs)

Anping Luo,
Min Zhang,
Zhangyi Fu,
Jingbo Lan,
Di Wu and
Jingsong You

Published 20 Jan 2020

Beilstein Arch. 2020, 202011. doi:10.3762/bxiv.2020.11.v1

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Palladium-Catalyzed Regio- and Stereoselective Synthesis of Aryl and 3-Indolyl Substituted-4-Methylene- isoquinolin-1(2H)-ones.

Valeria Nori,
Antonio Arcadi,
Armando Carlone,
Fabio Marinelli and
Marco Chiarini

Published 14 Jan 2020

Beilstein Arch. 2020, 20208. doi:10.3762/bxiv.2020.8.v1

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A formal preparation of regioregular and alternating thiophene−thiophene copolymers bearing different substituents

Atsunori Mori,
Keisuke Fujita,
Chihiro Kubota,
Toyoko Suzuki,
Kentaro Okano,
Takuya Matsumoto,
Takashi Nishino and
Masaki Horie

Published 30 Dec 2019

Beilstein Arch. 2019, 2019160. doi:10.3762/bxiv.2019.160.v1

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