A transition metal-free approach towards the regioselective synthesis of β-carboline tethered pyrroles and 2,3-dihydro-1H-pyrroles

2020 ◽  
Vol 44 (28) ◽  
pp. 12370-12383
Author(s):  
Manpreet Singh ◽  
Avijit Kumar Paul ◽  
Virender Singh
Keyword(s):  
Transition Metal ◽  
Regioselective Synthesis ◽  
One Pot ◽  
Sequential Approach ◽  
Metal Free

A transition metal-free one-pot sequential approach has been unfolded for the synthesis of β-carboline tethered pyrroles and 2,3-dihydro-1H-pyrroles by using highly diverse 1-formyl-9H-β-carbolines as a template.

Transition-metal-free multinitrogenation of amides by C–C bond cleavage: a new approach to tetrazoles

2018 ◽  
Vol 54 (79) ◽  
pp. 11148-11151 ◽  
Author(s):  
Lian-Hua Li ◽  
Zhi-Jie Niu ◽  
Ying-Xiu Li ◽  
Yong-Min Liang
Keyword(s):  
Transition Metal ◽  
Bond Cleavage ◽  
Regioselective Synthesis ◽  
One Pot ◽  
New Approach ◽  
Metal Free

A metal-free brand-new one-pot multinitrogenation of amides for the chemo-, regioselective synthesis of 1,5-disubstituted tetrazoles has been developed.

scholarly journals An entry to 2-(cyclobut-1-en-1-yl)-1H-indoles through a cyclobutenylation/deprotection cascade

2021 ◽  
Author(s):  
Philipp Natho ◽  
Zeyu Yang ◽  
Lewis Allen ◽  
Juliette Rey ◽  
Andrew J P White ◽  
...  
Keyword(s):  
Transition Metal ◽  
One Pot ◽  
Metal Free ◽  
Mild Conditions

A transition-metal-free strategy for the synthesis of 2-(cyclobut-1-en-1-yl)-1H-indoles under mild conditions is described herein. A series of substituted 2-(cyclobut-1-en-1-yl)-1H-indoles are accessed by a one-pot cyclobutenylation/deprotection cascade from N-Boc protected indoles....

ChemInform Abstract: Transition Metal Free Intramolecular S-Arylation: One-Pot Synthesis of Thiochromen-4-ones.

ChemInform ◽  
2014 ◽  
Vol 45 (13) ◽  
pp. no-no
Author(s):  
T. A. Jenifer Vijay ◽  
Kebbahalli N. Nandeesh ◽  
Goravanahalli M. Raghavendra ◽  
Kanchugarakoppal S. Rangappa ◽  
Kempegowda Mantelingu
Keyword(s):  
Transition Metal ◽  
One Pot ◽  
Metal Free ◽  
One Pot Synthesis

ChemInform Abstract: A One-Pot Transition Metal Free Tandem Process to 1,4-Benzodiazepine Scaffolds.

ChemInform ◽  
2013 ◽  
Vol 44 (17) ◽  
pp. no-no
Author(s):  
Yanqiu Li ◽  
Chunjing Zhan ◽  
Bingchuan Yang ◽  
Xiaoqun Cao ◽  
Chen Ma
Keyword(s):  
Transition Metal ◽  
One Pot ◽  
Metal Free ◽  
Tandem Process

One-pot synthesis of thioesters with sodium thiosulfate as a sulfur surrogate under transition metal-free conditions

2018 ◽  
Vol 16 (11) ◽  
pp. 1871-1881 ◽  
Author(s):  
Yen-Sen Liao ◽  
Chien-Fu Liang
Keyword(s):  
Transition Metal ◽  
Sodium Thiosulfate ◽  
Sulfur Source ◽  
One Pot ◽  
Metal Free ◽  
One Pot Synthesis

We have developed a one-pot reaction to provide thioester derivativesviasodium thiosulfate as a sulfur source under transition metal-free conditions.

One-pot transition-metal free transamidation to sterically hindered amides

2018 ◽  
Vol 5 (20) ◽  
pp. 2950-2954 ◽  
Author(s):  
Weijie Guo ◽  
Jingjun Huang ◽  
Hongxiang Wu ◽  
Tingting Liu ◽  
Zhongfeng Luo ◽  
...  
Keyword(s):  
Transition Metal ◽  
Good Yield ◽  
One Pot ◽  
Metal Free ◽  
Highly Efficient ◽  
Sterically Hindered

A highly efficient one-pot transamidation of primary amides has been developed under transition-metal free conditions, generating a variety of amides including hindered amides in good yield (up to 86%) catalyzed by CsF.

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