Phenylsulphonylnitromethane (1) is C-alkylated by benzylic halides and primary alkyl iodides affording α-nitro-sulphones in 43–75% yield; α-nitro-sulphones (83–90% yield) are also obtained from the corresponding C-alkylation of allylic acetates in the presence of catalytic Pd(PPh3)4.
苯磺酰基
硝基甲烷(1)被苄基卤化物和伯烷基
碘进行C烷基化,以43-75%的收率得到α-硝基砜;在催化的Pd(PPh 3)4存在下,
烯丙基乙酸酯的相应C-烷基化反应也可得到α-硝基砜(产率83-90%)。