I. Sato et al., EFFICIENT SYNTHESIS OF A CARBOCYCLIC CORE MOIETY WITH THE STEREOCHEMISTRY OF THE C-1027 CHROMOPHORE, Tetrahedron letters, 37(29), 1996, pp. 5135-5138
A stereoselective and concise route to the bicyclo[7.3.0]dodecadiyne c
ore moiety (26) of the C-1027 chromophore (1) through highly efficient
LiN(TMS)(2)/CeCl3-mediated cyclization of alkynyl aldehyde 24 has bee
n established. Copyright (C) 1996 Elsevier Science Ltd