Published 16 Nov 2021
Beilstein Arch. 2021, 202179. doi:10.3762/bxiv.2021.79.v1

Halogenations of 3-aryl-1H-pyrazol-5-amines

  • Jing He,
  • Yueting Wei,
  • Yijiao Feng,
  • Chuntian Li,
  • Bin Dai and
  • Ping Liu
Published 24 Sep 2021
Beilstein Arch. 2021, 202166. doi:10.3762/bxiv.2021.66.v1

Reactivity of tetrazolo[1,5-a]pyrimidines in click chemistry and hydrogenation

  • Elisandra Scapin,
  • Geórgia C. Zimmer,
  • Jean C. B. Vieira,
  • Catarina A. B. Rodrigues,
  • Carlos A. M. Afonso,
  • Nilo Zanatta,
  • Helio G. Bonacorso,
  • Clarissa P. Frizzo and
  • Marcos A.P. Martins
Published 16 Aug 2021
Beilstein Arch. 2021, 202159. doi:10.3762/bxiv.2021.59.v1
Published 16 Aug 2021
Beilstein Arch. 2021, 202158. doi:10.3762/bxiv.2021.58.v1

Molecular rearrangement of pyrazino[2,3-c]quinolin-5(6H)-ones during their reaction with isocyanic acid

  • Antonín Klásek,
  • Antonín Lyčka,
  • Filip Křemen,
  • Aleš Růžička and
  • Michal Rouchal
Published 29 Jul 2021
Beilstein Arch. 2021, 202154. doi:10.3762/bxiv.2021.54.v1
Published 28 Jul 2021
Beilstein Arch. 2021, 202153. doi:10.3762/bxiv.2021.53.v1
Published 21 Jul 2021
Beilstein Arch. 2021, 202152. doi:10.3762/bxiv.2021.52.v1

Synthesis of new pyrazolo[1,2,3]triazines by cyclative cleavage of pyrazolyltriazenes

  • Nicolai Wippert,
  • Martin Nieger,
  • Claudine Herlan,
  • Nicole Jung and
  • Stefan Bräse
Published 13 Jul 2021
Beilstein Arch. 2021, 202151. doi:10.3762/bxiv.2021.51.v1

Synthesis of 5-arylacetylene 1,2,4-oxadiazoles and their transformations under superelectrophilic activation conditions

  • Andrey I. Puzanov,
  • Dmitry S. Ryabukhin,
  • Anna S. Zalivatskaya,
  • Dmitriy N. Zakusilo,
  • Darya S. Mikson,
  • Irina A. Boyarskaya and
  • Aleksander Vasilyev
Published 30 Jun 2021
Beilstein Arch. 2021, 202149. doi:10.3762/bxiv.2021.49.v1

Enantioselective PCCP Brønsted Acid Catalyzed Aminalization of Aldehydes

  • Martin Kamlar,
  • Robert Reiberger,
  • Martin Nigríni,
  • Ivana Císařová and
  • Jan Veselý
Published 28 Jun 2021
Beilstein Arch. 2021, 202148. doi:10.3762/bxiv.2021.48.v1

Synthesis and synthetic applications of (4-hydroxyphenyl)perfluoroalkylmethanols

  • Kyu Terashima,
  • Tomoko Kawasaki-Takasuka,
  • Ichiro Minami and
  • Takashi Yamazaki
Published 01 Jun 2021
Beilstein Arch. 2021, 202141. doi:10.3762/bxiv.2021.41.v1
Published 25 May 2021
Beilstein Arch. 2021, 202140. doi:10.3762/bxiv.2021.40.v1

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

Synthesis of halogenated bicyclic molecules involving Prins cyclization from aldehydes and non-conjugated diene alcohol

  • Kouichi Matsumoto,
  • Keisuke Ohtsuka,
  • Naruto Hasebe,
  • Kota Terada,
  • Masahiko Maekawa,
  • Yoshihide Nakao,
  • Keiji Nishiwaki and
  • Hideo Ando
Published 21 May 2021
Beilstein Arch. 2021, 202138. doi:10.3762/bxiv.2021.38.v1

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

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
Published 06 Apr 2021
Beilstein Arch. 2021, 202131. doi:10.3762/bxiv.2021.31.v1
Published 23 Mar 2021
Beilstein Arch. 2021, 202128. doi:10.3762/bxiv.2021.28.v1

Me3Al mediated domino nucleophilic addition/intramolecular cyclisation of 2-(2-oxo-2-phenylethyl)benzonitriles with amines; A convenient approach for the synthesis of substituted 1-aminoisoquinolines

  • Midhun Sai Krishna Adusumalli,
  • Lakshmi Narayana Sharma Konidena,
  • Hima Bindu Gandham,
  • Krishnaiah Kumari,
  • Krishna Reddy Valluru,
  • Satya Kameswara Rao Nidasanametla,
  • Venkateswara Rao Battula and
  • Hari Krishna Namballa
Published 22 Mar 2021
Beilstein Arch. 2021, 202126. doi:10.3762/bxiv.2021.26.v1
Published 22 Mar 2021
Beilstein Arch. 2021, 202125. doi:10.3762/bxiv.2021.25.v1

Synthesis and transformation of sphingosine analogue pinane-based 2-amino-1,3-diols

  • Ákos Bajtel,
  • Mounir Raji,
  • Matti Haukka,
  • Ferenc Fülöp and
  • Zsolt Szakonyi
Published 11 Mar 2021
Beilstein Arch. 2021, 202120. doi:10.3762/bxiv.2021.20.v1

Synthesis of bis-aryloxyfluoromethanes

  • Carl Recsei and
  • Yaniv Barda
Published 09 Mar 2021
Beilstein Arch. 2021, 202119. doi:10.3762/bxiv.2021.19.v1

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
Published 08 Mar 2021
Beilstein Arch. 2021, 202117. doi:10.3762/bxiv.2021.17.v1
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