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M=N(alpha) cycloaddition and N(alpha)-N(beta) insertion in the reactions of titanium hydrazido compounds with alkynes: a combined experimental and computational study.

Abstract:

A combined experimental and DFT study of the reactions of diamide-amine supported titanium hydrazides with alkynes is presented. Reaction of Ti(N2N(py))(NNPh2)(py) (1, N2N(py) = (2-NC5H4)CMe(CH2NSiMe3)2) with terminal and internal aryl alkynes ArCCR (Ar = Ph or substituted phenyl, R = Me or H) at room temperature gave the fully authenticated azatitanacyclobutenes Ti(N2N(py)){N(NPh2)C(R)CAr} via ArCCR [2 + 2] cycloaddition to the Ti=N(alpha) bond of the hydrazide ligand. In contrast, reaction ...

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Publication status:
Published

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Publisher copy:
10.1021/ja1036513

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Journal:
Journal of the American Chemical Society
Volume:
132
Issue:
30
Pages:
10484-10497
Publication date:
2010-08-05
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
URN:
uuid:83f9f198-251c-4923-bfae-c32efc89a4ab
Source identifiers:
65275
Local pid:
pubs:65275
Language:
English

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