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Ren Qisheng, Huang Wenqiang, Lu Yu, Yin Yaorong, He Binglin. ALKYLATION OF POLYMER-BOUND α-CARBANION OF β-KETOSULFONE[J]. Chinese Journal of Applied Chemistry,
;1989, 6(4): 46-49.
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Polymer-bound α-carbanion of β-ketosulfone (2) was prepared by exchange reaction of strongly basic anion resin D296 (OH- form) with α-pheny'sulfonyl acetophenone (1).Several alkylated products of 2 were synthesized under anhydrous condition by polymer-supported carbanion with alkyl halides in good yields. The hydrolysis of the ester group in the alkylating agent could be avoided in this process.
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