Iron(II)-Catalyzed Activation of Si–N and Si–O Bonds Using Hydroboranes
Résumé
We report the activation and functionalization of Si–N bonds with pinacol borane catalyzed by a three-coordinate iron(II) β-diketiminate complex. The reactions proceed via mild silazanes to yield useful hydrosilanes aminoboranes. reaction is studied kinetic analysis, along detailed investigation decomposition pathways using catecholborane as an analogue used in catalysis. have extended methodology develop polycarbosilazane depolymerization strategy, which generates hydrosilane quantitatively complete conversion Bpin-protected diamine. analogous Si–O bond cleavage can also be achieved heating, silyl ether starting materials generate alkoxyborane products. Depolymerization poly(silyl ether)s our strategy successfully converts polymer 90% alcohols.
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A comme version hal-04261558 Article Mirela A. Farcaş-Johnson, Danila Gasperini, Andrew K. King, Sakshi Mohan, Adam N. Barrett, et al.. Iron(II)-Catalyzed Activation of Si–N and Si–O Bonds Using Hydroboranes. Organometallics, 2023, 42 (20), pp.3013-3024. ⟨10.1021/acs.organomet.3c00339⟩. ⟨hal-04261558⟩