Cm. Cheng et al., REACTIONS OF METHYLENECYCLOPROPANES WITH A DIETHYLZINC-BROMOFORM SYSTEM, AND THE UTILIZATION FOR SYNTHESIS OF A NOVEL CYCLOPROPYLIDENE-NUCLEOSIDE, Tetrahedron letters, 38(52), 1997, pp. 9005-9008
The reactions of substituted methylenecyclopropane with diethylzinc-br
omoform gave bromospiro[2.2]pentane derivatives, bromoform-addition co
mpounds, an oxabicyclo-compound and adjacent dibromo-compound, and the
last product was derived to a novel alpha,beta-unsaturated nucloside.
(C) 1997 Elsevier Science Ltd.