Methyl 3-trimethylsilylpropargyl carbonate reacted with dinucleophiles under the catalysis of palladium(0) complex to give the corresponding desilylated annulat
A short synthesis starting from 4-imidazolylmethanol(2)was developedfor the phosphonoisostere of histidine,-amino-β-(4-imidazolyl)-ethylphosphosphonic acid,His