Generation and reactions of 2-alkyl-3-carboethoxycyclopentadienones
作者:J.H.M. Lange、A.J.H. Klunder、B. Zwanenburg
DOI:10.1016/s0040-4039(00)86061-x
日期:1988.1
Crystal and molecular structure of ethyl-4,7-dimethy 1-5,10-dioxo-endo-tricyclo [5.2.1.02,6]deca-3,8-dien-3,8-dicarboxylate, C18H20O6
作者:J. M. M. Smits、V. Parthasarathi、Paul T. Beurskens、A. J. H. Klunder、J. H. M. Lange
DOI:10.1007/bf01164300
日期:1988.12
Thermal generation of 2-alkyl-3-carbethoxy-cyclopentadienones from angularly alkylated tricyclo[5.2.1.02,6]Decadienones. Their use in the synthesis of cyclopentenoids and dihydrosarkomycins
作者:J.H.M. Lange、A.J.H. Klunder、B. Zwanenburg
DOI:10.1016/s0040-4020(01)86426-7
日期:1991.1
these relatively stable cyclopentadienones with cyclopentadiene gives the novel tricyclodecadienone esters in excellent yields. Regio- and stereospecific enone reduction in with zinc in aceticacid, followed by Flash Vacuum Thermolysis (FVT) leads to cyclopentenoids ( and ) which upon catalytic hydrogenation afford dihydrosarkomycins ( and ) in high overall yields.