Aromatic Heterocycle Synthesis


  Gold(III)-Catalyzed Formal [3 + 2] Annulations of N-Acyl Sulfilimines with Ynamides for the Synthesis of 4-Aminooxazoles Xianhai Tian†, Lina Song†, Chunyu Han†, Cheng Zhang†, Yufeng Wu†, Matthias Rudolph†, Frank Rominger†, and A. Stephen K. Hashmi*†‡ † Institut für Organische Chemie, Heidelberg University, Im Neuenheimer Feld 270, Heidelberg 69120, Germany ‡ Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia Org. Lett., 2019, 21 (8), pp 2937–2940 DOI: 10.1021/acs.orglett.9b01011 Publication Date (Web): April 9, 2019  
April 1, 2019 Synthesis of 2,4,5-Trisubstituted Oxazoles via Pd-Catalyzed C–H Addition to Nitriles/Cyclization Sequences Di Zhang, Hao Song, Na Cheng, and Wei-Wei Liao* Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China Org. Lett., 2019, 21 (8), pp 2745–2749 DOI: 10.1021/acs.orglett.9b00700 Publication Date (Web):  
March 29, 2019 Cp*-Free Cobalt-Catalyzed C–H Activation/Annulations by Traceless N,O-Bidentate Directing Group: Access to Isoquinolines Xiao-Cai Li, Cong Du, He Zhang, Jun-Long Niu* , and Mao-Ping Song* College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China Org. Lett., 2019, 21 (8), pp 2863–2866 DOI: 10.1021/acs.orglett.9b00866 Publication Date (Web):  
Mar 13, 2019 Rate Enhancement in CAN-Promoted Pd(PPh3)2Cl2-Catalyzed Oxidative Cyclization: Synthesis of 2-Ketofuran-4-carboxylate Esters Sureeporn Ruengsangtongkul‡, Nattawadee Chaisan§, Charnsak Thongsornkleeb*†§ , Jumreang Tummatorn‡§ , and Somsak Ruchirawat‡§ † Laboratory of Organic Synthesis, Chulabhorn Research Institute, 54 Kamphaeng Phet 6, Laksi, Bangkok 10210, Thailand ‡ Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6, Laksi, Bangkok 10210, Thailand § Program on Chemical Biology, Chulabhorn Graduate Institute, Center of Excellence on Environmental Health and Toxicology (EHT), Ministry of Education, 54 Kamphaeng Phet 6, Laksi, Bangkok 10210, Thailand Org. Lett., 2019, 21 (8), pp 2514–2517 DOI: 10.1021/acs.orglett.9b00053 Publication Date (Web): February 28, 2019