A simple one-pot synthesis of hydroxylated and carboxylated aryl alkyl sulfides from various bromobenzenes
作者:Jaeyoung Ko、Jungyeob Ham、Inho Yang、Jungwook Chin、Sang-Jip Nam、Heonjoong Kang
DOI:10.1016/j.tetlet.2006.07.056
日期:2006.9
A simple one-pot synthesis of aryl alkyl sulfides from various bromobenzenes containing a hydroxy, hydroxymethyl, hydroxyethyl, and carboxylic acid group at -o, -m, and -p positions is reported here. The reaction proceeds through, in sequence, in situ protection of the hydroxy or carboxylic acid group by reaction with a Grignard reagent, lithium-halogen exchange, the formation of lithium thiolates
本文报道了由各种在-o,-m和-p位置含有羟基,羟甲基,羟乙基和羧酸基团的溴苯简单一锅合成芳基烷基硫化物的方法。该反应通过与格氏试剂反应,依次进行锂-卤素交换,硫醇锂的形成和硫醇锂在各种亲电试剂上的亲核攻击,依次进行原位保护羟基或羧酸基团,而无需分离硫醇盐,放在一个容器中。该步骤需要非常短的反应时间(1-1.5小时),并以75-97%的收率得到相应的硫化物。