Synthesis and reactions of N,N-bis[1-(trimethylsiloxy)alkyl]-formamides: preparation of (±)-argemonine and (±)-norargemonine

Symmetrical and unsymmetrical N,N-bis[1-(trimethylsiloxy)alkyl]formamides are prepared and their reactions investigated, including an application to the synthesis of the pavine alkaloids (±)-argemonine and (±)-norargemonine