83816-48-2Relevant articles and documents
Stereodivergent Palladium- And Rhodium-Catalyzed Intramolecular Addition of Tosylureas to Allenes: Diastereoselective Synthesis of Tetrahydropyrimidinones
Breit, Bernhard,Geissler, Arne G. A.,Riesterer, Jasmin R.
supporting information, p. 9168 - 9172 (2021/12/06)
The intramolecular addition of tosylureas to allenes is highly syn-/anti-diastereoselective when employing a palladium or rhodium-based catalytic system and affords 1,3-cyclic ureas. Under palladium catalysis a range of thermodynamic anti-tetrahydropyrimi
Dibrominative Spirocyclization of 2-Butynolyl Anilides: Synthesis of gem-Dibromospirocyclic Benzo[ d][1,3]oxazines and Their Application in the Synthesis of 4 H-Furo[3,2- b]indoles
Chaisan, Nattawadee,Ruengsangtongkul, Sureeporn,Tummatorn, Jumreang,Ruchirawat, Somsak,Chainok, Kittipong,Thongsornkleeb, Charnsak
, p. 4671 - 4698 (2021/04/06)
The combination of catalytic aqueous hydrochloric acid (HCl) and N-bromosuccinimide (NBS) generated electrophilic bromine monochloride (BrCl), which readily induced spiroannulation of 2-alkynolyl anilides (n = 1-3) to form gem-dibromospirocyclic benzo[d][
Gold-Catalyzed Tandem Oxidative Coupling Reaction between β-Ketoallenes and Electron-Rich Arenes to 2-Furylmethylarenes
Yasukawa, Naoki,Yamada, Yutaro,Furugen, Chikara,Miki, Yuya,Sajiki, Hironao,Sawama, Yoshinari
supporting information, p. 5891 - 5895 (2021/08/18)
A tandem oxidative coupling reaction of β-ketoallenes and arenes was developed, which leads to the formation of 2-furylmethylarenes using AuCl3 and phenyliodine diacetate. The AuIII salt catalyzed the cyclization of β-ketoallenes to form a 2-furylmethyl gold intermediate, and the subsequent C-H functionalization of arenes proceeded smoothly. During the oxidative coupling, nucleophilic additions occurred at the center and terminal carbon atoms of the allene moiety to form C-O and C-C bonds.