F. Garrohelion et F. Guibe, NEW POTENTIAL ACCESS TO ETHYLENIC PSEUDODIPEPTIDES THROUGH CATALYTIC ALKENE METATHESIS, Chemical communications, (5), 1996, pp. 641-642
Dialkenenic amide 1 (R(1) = CH(2)Ph, R(2) = H) is readily converted, t
hrough ruthenium-catalysed metathetic ring closure, to ethylenic lacta
m 2, a close precursor of Z-ethylenic pseudodipeptide 3.