The manganese(II)complex[Mn(SiNSi)Cl_(2)](SiNSi=2,6-[EtNSi(NtBu)_(2)CPh]_(2)C_(5)H_(3)N)is an efficient catalyst for the chemoselective C(sp)–H borylation of terminal alkynes.Aliphatic and aromatic alkynes with diffe...The manganese(II)complex[Mn(SiNSi)Cl_(2)](SiNSi=2,6-[EtNSi(NtBu)_(2)CPh]_(2)C_(5)H_(3)N)is an efficient catalyst for the chemoselective C(sp)–H borylation of terminal alkynes.Aliphatic and aromatic alkynes with different substituents have been efficiently borylated.Mechanistic studies indicate that the precatalyst enters the cycle by reaction with HBPin(Pin=pinacolate),which plays a key role in enabling a high chemoselective process.展开更多
基金the ACS Petroleum Research Fund for a Doctoral New Investigator grant(PRF#66750-DNI3)UC Merced for start-up funds(SUP0000078).
文摘The manganese(II)complex[Mn(SiNSi)Cl_(2)](SiNSi=2,6-[EtNSi(NtBu)_(2)CPh]_(2)C_(5)H_(3)N)is an efficient catalyst for the chemoselective C(sp)–H borylation of terminal alkynes.Aliphatic and aromatic alkynes with different substituents have been efficiently borylated.Mechanistic studies indicate that the precatalyst enters the cycle by reaction with HBPin(Pin=pinacolate),which plays a key role in enabling a high chemoselective process.