Direct access to isoindolines through tandem Rh(iii)-catalyzed alkenylation and cyclization of N-benzyltriflamides

2014 ◽  
Vol 50 (18) ◽  
pp. 2350-2352 ◽  
Author(s):  
Neeraj Kumar Mishra ◽  
Jihye Park ◽  
Satyasheel Sharma ◽  
Sangil Han ◽  
Mirim Kim ◽  
...  
Keyword(s):  
Intramolecular Cyclization ◽  
Bond Activation ◽  
Direct Access

The rhodium-catalyzed oxidative alkenylation of N-benzyltriflamides with olefins followed by an intramolecular cyclization via C–H bond activation is described.

Direct Access to 9-Chloro-1H-benzo[b]furo[3,4-e]azepin-1-ones via Palladium(II)-Catalyzed Intramolecular syn-Oxypalladation/Olefin Insertion/sp2-C–H Bond Activation Cascade

2019 ◽  
Vol 21 (15) ◽  
pp. 5784-5788 ◽  
Author(s):  
Muthu Karuppasamy ◽  
B. S. Vachan ◽  
Perumal Vinoth ◽  
Isravel Muthukrishnan ◽  
Subbiah Nagarajan ◽  
...  
Keyword(s):  
Bond Activation ◽  
Direct Access ◽  
Activation Cascade

Synthesis of Substituted [6]Phenacenes through Suzuki–Miyaura Coupling of Polyhalobenzene with Alkenylboronates and Sequential Intramolecular Cyclization via C–H Bond Activation

2013 ◽  
Vol 42 (10) ◽  
pp. 1257-1259 ◽  
Author(s):  
Ning-hui Chang ◽  
Hiroki Mori ◽  
Xi-chao Chen ◽  
Yasuhiro Okuda ◽  
Takeru Okamoto ◽  
...  
Keyword(s):  
Intramolecular Cyclization ◽  
Bond Activation

Direct access to 2-(hetero)arylated pyridines from 6-substituted 2-bromopyridines via phosphine-free palladium-catalyzed C–H bond arylations: the importance of the C6 substituent

RSC Advances ◽  
2016 ◽  
Vol 6 (21) ◽  
pp. 17110-17117 ◽  
Author(s):  
Wided Hagui ◽  
Néji Besbes ◽  
Ezzeddine Srasra ◽  
Jean-François Soulé ◽  
Henri Doucet
Keyword(s):  
Bond Activation ◽  
Direct Access ◽  
Palladium Catalyzed

A Pd(OAc)2 catalyst promotes the arylation of heteroarenes with 6-substituted 2-bromopyridines, via C–H bond activation, providing straightforward access to 2-(hetero)arylpyridines.

Transition-metal-free C–C σ-bond activation of α-aryl ketones and subsequent Zn-catalyzed intramolecular cyclization: synthesis of tetrasubstituted furans

2019 ◽  
Vol 17 (10) ◽  
pp. 2725-2733 ◽  
Author(s):  
Yang Yuan ◽  
Hailu Tan ◽  
Lingkai Kong ◽  
Zhong Zheng ◽  
Murong Xu ◽  
...  
Keyword(s):  
Transition Metal ◽  
Intramolecular Cyclization ◽  
Bond Activation ◽  
Metal Free ◽  
Aryl Ketones ◽  
Single Bonds

Atom-economical synthesis of tetrasubstituted furans from α-aryl ketones and alkynones through base-promoted cleavage of unstrained C–C single bonds of ketones and subsequent Zn-catalyzed cyclization.

Efficient synthesis and preliminary biological evaluations of trifluoromethylated imidazo[1,2-a]pyrimidines and benzimidazo[1,2-a]pyrimidines

2019 ◽  
Vol 43 (25) ◽  
pp. 9961-9968
Author(s):  
Badr Jismy ◽  
Mohamed Akssira ◽  
Damijan Knez ◽  
Gérald Guillaumet ◽  
Stanislav Gobec ◽  
...  
Keyword(s):  
Intramolecular Cyclization ◽  
Michael Addition ◽  
Bond Activation ◽  
Cyclization Reaction ◽  
Efficient Synthesis ◽  
Imidazole Derivatives ◽  
Amino Imidazole

Fluoromethylated imidazo[1,2-a]pyrimidines and benzimidazo[1,2-a]pyrimidines were synthesized through Michael addition/intramolecular cyclization reaction by condensation of 2-amino imidazole derivatives with ethyl 4,4,4-trifluorobut-2-ynate and using C–O bond activation.

Iodine catalyzed cross-dehydrogenative C–S coupling by C(sp2)–H bond activation: direct access to aryl sulfides from aryl thiols

2015 ◽  
Vol 17 (7) ◽  
pp. 4068-4072 ◽  
Author(s):  
Santosh Kumar Reddy Parumala ◽  
Rama Krishna Peddinti
Keyword(s):  
Bond Activation ◽  
Molecular Iodine ◽  
Solvent Free ◽  
Direct Access ◽  
Aerobic Conditions ◽  
Green Protocol ◽  
Metal Free ◽  
Aryl Sulfides ◽  
Free Metal

An efficient, simple and facile green protocol for the direct sulfenylation of electron-rich species from readily available aryl thiols with the aid of molecular iodine under solvent-free, metal-free and aerobic conditions provides a variety of aryl sulfides in excellent yields.

Sign in / Sign up

Export Citation Format

Share Document