Title of article :
Synthesis of s-Indacene Derivatives by Robinson-Type Cyclopentene Annulation
Author/Authors :
Zhang، Yawei نويسنده , , FISCHER، PETER نويسنده , , Christoffers، Jens نويسنده , , Frey، Wolfgang نويسنده ,
Abstract :
s-Indacene derivatives are obtained as single diastereoisomers by a Robinson-type annulation of 2,5-cyclohexandione-1,4-dicarboxylates with methyl vinyl ketone. Hydrogenative debenzylation and subsequent decarboxylation yields tricyclic products with a central aromatic ring.
Keywords :
conjugate addition , hydrogenation , annulation , indacene , cyclopentene , aldol reaction
Journal title :
Astroparticle Physics