Cyclocondensation of benzylideneaniline chromium complexes I (R = Me, MeO; R1 = H, MeO) with MeCHR2CO2Et (R2 = Me, PhCONH) gave 64-77% b-lactams II with enantiomeric excesses >98%.
Arenetricarbonylchromium complexes as chiral auxiliaries: asymmetric synthesis of b-lactams
Baldoli Clara;
1991
Abstract
Cyclocondensation of benzylideneaniline chromium complexes I (R = Me, MeO; R1 = H, MeO) with MeCHR2CO2Et (R2 = Me, PhCONH) gave 64-77% b-lactams II with enantiomeric excesses >98%.File in questo prodotto:
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