Dimerization and ring-opening in bis(diisopropylamino)cyclopropenylidene (BAC) mediated by [U(NR2)3(CCPh)] (R = SiMe3)

Nguyen, Thien H.; Pauly, Christophe; Kent, Greggory T.; Wu, Guang; Hayton, Trevor W.

doi:10.1039/d3dt02741d

Dimerization and ring-opening in bis(diisopropylamino)cyclopropenylidene (BAC) mediated by [U(NR₂)₃(CCPh)] (R = SiMe₃)

Journal Article · Tue Sep 19 00:00:00 EDT 2023 · Dalton Transactions

DOI:https://doi.org/10.1039/d3dt02741d· OSTI ID:2340720

^[1]; Pauly, Christophe ^[2]; Kent, Greggory T. ^[2]; Wu, Guang ^[2]; ^[2]

Univ. of California, Santa Barbara, CA (United States); UCSB
Univ. of California, Santa Barbara, CA (United States)

Here the addition of 2 equiv. of bis(diisopropylamino)cyclopropenylidene (BAC) to [U(NR₂)₃(CCPh)] (1, R = SiMe₃), in Et₂O, results in formation of [cyclo-N(iPr)C(Me)₂CH(NiPr₂)C{[double bond, length as m-dash]CHC₃(NiPr₂)₂}][U(NR₂)₂(N(SiMe₃)SiMe₂CH₂)(CCPh)] (2) in moderate isolated yield. Complex 2 is the result of coupling and protonation of two BAC molecules, where complex 1 contributes the required proton. It was characterized by NMR spectroscopy and X-ray crystallography and represents a new mode of reactivity of the cyclopropenylidene fragment.

View Accepted Manuscript (DOE)

Research Organization:: Univ. of California, Santa Barbara, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division (CSGB)

Grant/Contract Number:: SC0001861

OSTI ID:: 2340720

Alternate ID(s):: OSTI ID: 2006528

Journal Information:: Dalton Transactions, Journal Name: Dalton Transactions Journal Issue: 39 Vol. 52; ISSN 1477-9226

Publisher:: Royal Society of ChemistryCopyright Statement

Country of Publication:: United States

Language:: English

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