Simple Organometallic Alcohols: Synthesis of (C5H4OH)Mn(CO)3 (Hydroxycymantrene) and (C5H4OH)W(CO)3CH3
摘要:
The reaction of tert-butyldimethylsilyl triflate with cyclopent-2-enone and 3,4-dimethylcyclopentenone, respectively, gives siloxycyclopentadienes in yields >90%, whose deprotonation and reaction with BrMn(CO)(3)(py)(2) or W(CO)(3)(CH3CN)(3)/MeI generates (CpOSi(t)BuMe(2))-Mn(CO)(3) and (CpOSi(t)BuME(2))W(CO)(3)ME. Cleavage of the organometallic silyl ether with NBu(4)F results in the formation of the previously unknown alcohols (C5H4OH)-Mn(CO)(3) and (C5H4OH)W(CO)(3)Me in 80-90% yield, from which the corresponding ethers can be synthesised.
Simple Organometallic Alcohols: Synthesis of (C5H4OH)Mn(CO)3 (Hydroxycymantrene) and (C5H4OH)W(CO)3CH3
摘要:
The reaction of tert-butyldimethylsilyl triflate with cyclopent-2-enone and 3,4-dimethylcyclopentenone, respectively, gives siloxycyclopentadienes in yields >90%, whose deprotonation and reaction with BrMn(CO)(3)(py)(2) or W(CO)(3)(CH3CN)(3)/MeI generates (CpOSi(t)BuMe(2))-Mn(CO)(3) and (CpOSi(t)BuME(2))W(CO)(3)ME. Cleavage of the organometallic silyl ether with NBu(4)F results in the formation of the previously unknown alcohols (C5H4OH)-Mn(CO)(3) and (C5H4OH)W(CO)(3)Me in 80-90% yield, from which the corresponding ethers can be synthesised.