反应详情

2.0 g of N-phenylpiperazine and 2.5 g of 2-methylthio-1,3-dithiolium perchlorate were treated in the same manner as in Example 26, and the product was recrystallized from acetone-ethyl ether, whereby 2.7 g (yield: 74.3%) of 1-(1,3-dithiol-2-ylidene)-4-phenylpiperazinium perchlorate (Compound No. 32) was obtained as crystals having a melting point of from 197° to 199° C.

1. customthe product was recrystallized from acetone-ethyl ether