503559-55-5Relevant articles and documents
Synthesis of ansa-bridged macrocyclic lactams related to the antitumor antibiotic geldanamycin by ring closing metathesis
Bach, Thorsten,Lemarchand, Aude
, p. 1302 - 1304 (2002)
The α,β,γ,δ-unsaturated 2,4,5-trimethoxyanilides 8a-e which bear a terminal alkenyl side chain at the 3-position were prepared from 1,2,4-trimethoxybenzene (2) in four steps and 25-41% overall yield. Attempted ring closing metathesis reactions were succes
Synthesis of a para-quinone macrolactam related to geldanamycin by ring closing metathesis
Lemarchand, Aude,Bach, Thorsten
, p. 9659 - 9673 (2007/10/03)
Model studies conducted with the α,β,γ,δ-unsaturated 3-alkenyl-2,4,5-trimethoxyanilides 11 revealed that a ring closing metathesis (RCM) of these compounds is possible if the ansa chain contains more than 14 atoms. The (Z)-configurated products 12c-e were