Facilitation of displacements at the 6-position of purines by the use of 1,4-diazabicyclo[2.2.2]octane as leaving group
作者:Nicola K. Lembicz、Sharon Grant、William Clegg、Roger J. Griffin、Sarah L. Heath、Bernard T. Golding
DOI:10.1039/a608207f
日期:——
Reactions of 6-chloropurines with 1,4-diazabicyclo[2.2.2]octane
(DABCO) give the corresponding ‘DABCO-purines’ 1a–d,
which undergo facile displacement reactions with alkoxides in dimethyl
sulfoxide to afford 6-oxy-substituted purines.