Gibson, Susan E.; Guillo, Nathalie; Middleton, Richard J., Journal of the Chemical Society. Perkin transactions I, 1997, # 4, p. 447 - 455
作者:Gibson, Susan E.、Guillo, Nathalie、Middleton, Richard J.、Thuilliez, Audrey、Tozer, Matthew J.
DOI:——
日期:——
Synthesis of 7-, 8- and 9-membered rings via endo Heck cyclisations of amino acid derived substrates
作者:Susan E. Gibson (née Thomas)、Richard J. Middleton
DOI:10.1039/c39950001743
日期:——
Aryl iodides tethered to dehydroalanine units by two to four methylene groups undergo intramolecular Heck reactions under anhydrous Jeffery conditions to give 7-, 8- and 9-membered rings by the endo-mode of cyclisation; under harsher; conditions, a palladium intermediate formed by the exo-mode of cyclisation is expressed as reduced products.