A general method for the synthesis of isopropylidene-5-alkyl-5-phenylemalonates via the reaction of phenyl (phenylethynyl )iodonium tosylate with isopropylidene 5-alkyl malonates in the presence of NaH/THF(or t-BuONa/...A general method for the synthesis of isopropylidene-5-alkyl-5-phenylemalonates via the reaction of phenyl (phenylethynyl )iodonium tosylate with isopropylidene 5-alkyl malonates in the presence of NaH/THF(or t-BuONa/t-BuOH, K2CO3/TEBA/CHCl3,K2CO3/18-Crown-6/THF ) is reported in this paper.展开更多
文摘A general method for the synthesis of isopropylidene-5-alkyl-5-phenylemalonates via the reaction of phenyl (phenylethynyl )iodonium tosylate with isopropylidene 5-alkyl malonates in the presence of NaH/THF(or t-BuONa/t-BuOH, K2CO3/TEBA/CHCl3,K2CO3/18-Crown-6/THF ) is reported in this paper.