Abstract
Iron sulfide generated in situ from elemental sulfur and iron was found to be highly efficient in catalyzing a redox/condensation cascade reaction between 2-amino/hydroxy nitrobenzenes and activated methyl groups.
This method represents a straightforward and highly atom economical approach to 2-hetaryl-benzimidazoles and -benzoxazoles.
Citing Articles
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This article has been cited by 7 ACS Journal articles (5 most recent appear below).
Copper-Catalyzed Aerobic Oxidative Amination of sp3C–H Bonds: Efficient Synthesis of 2-Hetarylquinazolin-4(3H)-ones
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QiangLi, YaoHuang, TieqiaoChen, YongboZhou, QingXu, Shuang-FengYin, and Li-BiaoHanOrganic Letters2014 16 (14), 3672-3675An efficient synthesis of 2-hetarylquinazolin-4(3H)-ones via copper-catalyzed direct aerobic oxidative amination of sp3C–H bonds has been developed. This tandem oxidation–amination–cyclization transformation represents a straightforward protocol to ...
Ruthenium-Catalyzed Synthesis of Benzoxazoles Using Acceptorless Dehydrogenative Coupling Reaction of Primary Alcohols with 2-Aminophenol under Heterogeneous Conditions
Ali Khalafi-Nezhad and Farhad PanahiACS Catalysis2014 4 (6), 1686-1692Ruthenium-Catalyzed Synthesis of Benzoxazoles Using Acceptorless Dehydrogenative Coupling Reaction of Primary Alcohols with 2-Aminophenol under Heterogeneous Conditions
AliKhalafi-Nezhad and FarhadPanahiACS Catalysis2014 4 (6), 1686-1692An efficient ruthenium-catalyzed acceptorless dehydrogenative coupling reaction of primary alcohols with 2-aminophenol for one-pot synthesis of benzoxazoles is introduced. The phosphine-functionalized magnetic nanoparticles (PFMNPs; Fe3O4@SiO2@PPh2) as a ...
Naphthoquinone-Directed C–H Annulation and Csp3–H Bond Cleavage: One-Pot Synthesis of Tetracyclic Naphthoxazoles
Meining Wang, Chi Zhang, Li-Ping Sun, Chunyong Ding, and Ao ZhangThe Journal of Organic Chemistry2014 79 (10), 4553-4560Naphthoquinone-Directed C–H Annulation and Csp3–H Bond Cleavage: One-Pot Synthesis of Tetracyclic Naphthoxazoles
MeiningWang, ChiZhang, Li-PingSun, ChunyongDing, and AoZhangThe Journal of Organic Chemistry2014 79 (10), 4553-4560One-pot synthesis of tetracyclic naphthoxazole derivatives from electron-deficient naphthoquinones and alkynes was achieved via Rh(III)-catalyzed C–H activation and Csp3–H bond cleavage for the first time. This approach proceeds through a tandem cascade ...
Three-Component Reaction between Alkynes, Elemental Sulfur, and Aliphatic Amines: A General, Straightforward, and Atom Economical Approach to Thioamides
Thanh Binh Nguyen, Minh Quan Tran, Ludmila Ermolenko, and Ali Al-MourabitOrganic Letters2014 16 (1), 310-313Three-Component Reaction between Alkynes, Elemental Sulfur, and Aliphatic Amines: A General, Straightforward, and Atom Economical Approach to Thioamides
Thanh BinhNguyen, Minh QuanTran, LudmilaErmolenko, and AliAl-MourabitOrganic Letters2014 16 (1), 310-313A general, straightforward, and atom-economical three-component synthesis of thioamides from alkynes, elemental sulfur, and aliphatic amines has been developed.
Cobalt- and Iron-Catalyzed Redox Condensation of o-Substituted Nitrobenzenes with Alkylamines: A Step- and Redox-Economical Synthesis of Diazaheterocycles
Thanh Binh Nguyen, Julie Le Bescont, Ludmila Ermolenko, and Ali Al-MourabitOrganic Letters2013 15 (24), 6218-6221
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