Titanium-catalyzed cyclocodimerization of cyclohepta-1,3,5-triene with spiro[cyclopropane-1,7′-norborna-2,5-diene]
作者:V. A. D’yakonov、G. N. Kadikova、L. M. Khalilov、U. M. Dzhemilev
DOI:10.1007/s11172-011-0028-8
日期:2011.1
Titanium complexes-catalyzed codimerization of cyclohepta-1,3,5-triene with spiro[cyclopropane-1,7′-norborna-2,5-diene] affords 14-spirocyclopropylhexacyclo[6.5.1.02,7.03,12.06,10.09,13]-tetradec-4-ene and 6-spirocyclopropylpentacyclo[7.5.0.02,7.03,5.04,8]tetradeca-10,12-diene in total yields higher than 80%.
钛配合物催化环庚-1,3,5-三烯与螺[环丙烷-1,7'-降冰片-2,5-二烯]共二聚得到14-螺环丙基六环[6.5.1.02,7.03,12.06,10.09,13] -十四-4-烯和6-螺环丙基五环[7.5.0.02,7.03,5.04,8]十四-10,12-二烯总收率高于80%。