Tetrahedron Letters p. 1043 - 1046 (1986)
Update date:2022-08-02
Topics:
Knochel, P.
Normant, J. F.
The 1-magnesia-1-zincaalkene 4 and the 1-lithia-1-zincaalkene 15, easily obtained by a carbometallation reaction, are able to react successively with two different electrophiles to give good yields of various gem-difunctionalized compounds like the α-deuterated- and α-iodo- stannanes 7b-c and the α-allylated thioethers 10a-b.This demonstrates the usefulness of compounds type 4 and 15 as multi-coupling reagents.A new fragmentation reaction of alkylidene malonates is described.
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