1-苄基哌嗪 、
2-Methylthio-1,3-dithiolium perchlorate 在
water ethanol 作用下,
以whereby 2.6 g (yield: 68.9%) of 1-(1,3-dithiol-2-ylidene)-4-benzylpiperazinium perchlorate (Compound No. 33) was obtained as crystals的产率得到1-(1,3-dithiol-2-ylidene)-4-benzylpiperazinium perchlorate