A new and versatile access to azamacroheterocycles via ring closing carbonylative hydroaminomethylation
作者:Christian L. Kranemann、Burkhard Costisella、Peter Eilbracht
DOI:10.1016/s0040-4039(99)01661-5
日期:1999.10
The Rh(I)-catalysed hydroformylation / reductive amination of dienes in the presence of alpha,omega-diamines is applied to macroheterocyclic ring synthesis. Starting from (hetero)-diallylic systems 12- to 36-membered polyheterocycles are easily accessible. (C) 1999 Elsevier Science Ltd. All rights reserved.
A New and Versatile Access to Polyazamacroheterocycles and Cryptands Through Ring-Closing Bis(hydroaminomethylation)
in the presence of primary amines or secondary α,ω-diamines has been applied to macroheterocyclic ringsynthesis. Starting from (hetero)diallylic systems, 12- to 36-membered polyheterocycles have been readily obtained in up to 56% yield. In addition, we show that the macrocyclic systems thus obtained can be debenzylated and that the resulting macrocyclic diamines undergo a second ring-closing bis(hy