相转移催化合成Ｓ－甲基异硫脲盐康汝洪，马志博，刘俊玲（河北师范大学化学系，石家庄０５００１６）Ｓ－甲基异流脲盐是合成重要化工产品甲基磺酰氯的一种中间体。其合成方法，可通过硫脲与卤代烷，硫脲与醇的盐酸水溶液共热［１］，或硫脲与硫酸二甲酯反应［２］等。本... Synthesis of S-Methylisothiourea Salt by Phase Transfer Catalysis KANG Ruhong, MA Zhibo, LIU Junling (Department of Chemistry, Hebei Normal University, Shijiazhuang 050016) S-Methylidene difluoride is an intermediate for the synthesis of methane sulfonyl chloride, an important chemical product. The synthesis method is that thiourea is co-heated with alkyl halide, thiourea and alcohol in aqueous hydrochloric acid [1], or thiourea with dimethyl sulfate [2]. this...