RNH2 or KHCO3 (1.2 equiv.) K2CO3/Bu4NBr CCl4–light petroleum R ... 1 R = But 89% 4 R = Et 72% (S)-7 R = (S)-CH(Me)Ph 60% (±)-7 R = (±)-CH(Me)Ph 68% ... PF6 – 1 BuLi (58%) Fe CO CO OC ... 4 BuLi (47%) (S)-7 BuLi (55%) 4 (2 equiv.) BuLi (2 equiv.) (77%) ... Phosphoramidate-mediated conversion of metal carbonyls into metal isonitriles ... Susan E. Gibson (née Thomas),*† Thomas W. Hinkamp, Mark A. Peplow and Mark F. Ward ...