Synthesis of pyrrolidines and piperidines via intramolecular cyclisation of ω-azidoalkyl boronic esters
作者:Jean Michel Jego、Bertrand Carboni、Michel Vaultier、Robert Carrié
DOI:10.1039/c39890000142
日期:——
Intramolecularcyclisation of ω-azidoalkylboronicesters occurs in the presence of boron trichloride and leads, after hydrolysis, to the corresponding pyrrolidines or piperidines.
ω-叠氮烷基硼酸酯的分子内环化在三氯化硼的存在下发生,并且在水解后导致相应的吡咯烷或哌啶。
A simple convenient preparation of ω-aminoboronic acids and esters
作者:J.M. Jego、B. Carboni、M. Vaultier
DOI:10.1016/0022-328x(92)83454-p
日期:1992.2
The catalytic hydrogenation of ω-azidoboronic esters and, for pinacol derivatives, the reductive alkylation with a dichloroborane, afford with good yields the corresponding ω-aminoboronic acids or esters.