The selective use of the tert-butoxycarbonyl protecting group has enabled efficient syntheses of the tri-linked cyclam derivatives (6)-(8). Using a related protecting group strategy, a series of related single-ring, N-benzylated cyclam derivatives (1)-(4) has also been prepared.
The selective use of the tert-butoxycarbonyl protecting group has enabled efficient syntheses of the tri-linked cyclam derivatives (6)-(8). Using a related protecting group strategy, a series of related single-ring, N-benzylated cyclam derivatives (1)-(4) has also been prepared.
The selective use of the tert-butoxycarbonyl protecting group has enabled efficient syntheses of the tri-linked cyclam derivatives (6)-(8). Using a related protecting group strategy, a series of related single-ring, N-benzylated cyclam derivatives (1)-(4) has also been prepared.