Allyl 9-fluorenyl sulphide, benzyl 9-fluorenyl sulphide, and di-9-fluorenyl sulphide are stable to boiling ethereal phenyl lithium, in marked contrast to the corresponding ethers. Benzyl 9-fluorenyl sulphoxide has been prepared and shown to be more weakly acidic than 9-fluorenyl sulphones.
烯丙基 9-
芴基
硫化物、苄基 9-
芴基
硫化物和二-9-
芴基
硫化物对沸腾的醚
苯基锂稳定,与相应的醚形成鲜明对比。已经制备了苄基 9-
芴基亚砜,并且显示出比 9-
芴基砜更弱的酸性。