反应详情

32 Parts of 4-chlorobenzothietane-2-spiro-2'-imidazolidine is reacted as described in Example 11 with 29.5 parts of 2,5-dichlorobenzyl chloride in 300 parts of methanol. The yield is 53 parts (86% of theory) and the melting point is 260° C. with decomposition.