Synthesis and aromatisation of cyclic enediyne-containing amino acids
作者:Jasper Kaiser、Bart C. J. van Esseveldt、Margot J. A. Segers、Floris L. van Delft、Jan M. M. Smits、Sam Butterworth、Floris P. J. T. Rutjes
DOI:10.1039/b815176h
日期:——
A series of cyclic enediyne-containing amino acids with ring sizes varying from 10 to 12 atoms have been prepared starting from propargylglycine and homopropargylglycine. Their reactivity towards Bergman cyclisation under elevated temperatures has been explored. The enediynes displayed marked differences in cyclisation half-lives depending on the olefinic substituent and the ring size. A potential candidate for incorporation into peptides has been identified.