Abstract o‐Aminothiophenol reacted with ketones and β‐keto esters in the presence of alumina under mild and solvent‐free conditions to afford the corresponding benzothiazolines in high yields. Alumina can be reused for subsequent reactions without any loss of the activity.
                                    摘要 在温和无溶剂条件下,邻
氨基
苯硫酚与酮和β-酮酯在氧化铝存在下反应,以高产率得到相应的
苯并噻唑啉。氧化铝可以重新用于后续反应而不会损失任何活性。