Regiodivergent Halogenation of Vinylogous Esters: One-Pot, Transition-Metal-Free Access to Differentiated Haloresorcinols

2015 ◽  
Vol 17 (2) ◽  
pp. 378-381 ◽  
Author(s):  
Xiaohong Chen ◽  
Jenny S. Martinez ◽  
Justin T. Mohr
Keyword(s):  
Transition Metal ◽  
Free Access ◽  
One Pot ◽  
Metal Free ◽  
Vinylogous Esters

A Sequential Ugi-Smiles / Transition-Metal-Free Endo-Dig Conia-ene Cyclization: The Selective Synthesis of Saccharin Substituted 2,5-dihydropyrroles

2021 ◽  
Author(s):  
Hassan Seyrani ◽  
Sorour Ramezanpour ◽  
Aref Vaezghaemi ◽  
Farzad Kobarfard
Keyword(s):  
Transition Metal ◽  
Free Access ◽  
Selective Synthesis ◽  
Metal Free ◽  
Mild Conditions

A convenient, transition-metal-free access to a series of unprecedented saccharin substituted 2,5-dihydropyrroles is reported. This approach employs a post-Ugi-Smiles 5-endo-dig Conia-ene cyclization sequence in mild conditions while incorporating a series...

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

Base-Controlled Regiodivergent Azidation of Trifluoromethyl Alkenyl Triflates: Transition-Metal-Free Access to CF3-Containing Allyl Azides and Alkenyl Azides

2018 ◽  
Vol 83 (5) ◽  
pp. 2858-2868 ◽  
Author(s):  
Yilong Zhao ◽  
Yuhan Zhou ◽  
Chunxia Zhang ◽  
Dong Li ◽  
Puhua Sun ◽  
...  
Keyword(s):  
Transition Metal ◽  
Free Access ◽  
Metal Free

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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