title: Efficient 2-aryl benzothiazole formation from aryl ketones and 2-aminobenzenethiols under metal-free conditions.
abstract: 2-Aryl benzothiazole formation from aryl ketones and 2-aminobenzenethiols under metal- and I(2)-free conditions was described. Various 2-aryl benzothiazoles were selectively obtained in good yields using molecular oxygen as oxidant. DMSO played an important role in this transformation. Functional groups such as methyl, methoxy, fluoro, chloro, bromo and nitro groups were tolerated under the optimized reaction conditions.
authors.affiliation: Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, China.
authors.forename: Yunfeng
authors.initials: Y
authors.lastname: Liao
authors.forename: Hongrui
authors.initials: H
authors.lastname: Qi
authors.forename: Shanping
authors.initials: S
authors.lastname: Chen
authors.forename: Pengcheng
authors.initials: P
authors.lastname: Jiang
authors.forename: Wang
authors.initials: W
authors.lastname: Zhou
authors.forename: Guo-Jun
authors.initials: GJ
authors.lastname: Deng
mesh_terms: D052160:Benzothiazoles / Q000138:chemical synthesis* / Q000737:chemistry; D002384:Catalysis; D020650:Combinatorial Chemistry Techniques; D004121:Dimethyl Sulfoxide; D007659:Ketones / Q000737:chemistry*; D015394:Molecular Structure; D013425:Sulfanilic Acids / Q000737:chemistry*
chemical_list: D052160:Benzothiazoles; D007659:Ketones; D013425:Sulfanilic Acids; C100016:4-sulfanilic acid; D004121:Dimethyl Sulfoxide