Trimethylsilylcarbene and Bis(trimethylsilyl) Formaldehyde Azine Complexes of Chiral Bis(4-isopropyloxazolinyl)pyridine(dichloro)ruthenium(II)

DOI: 10.1039/c39940001315

Source and publish data:

Journal of the Chemical Society. Chemical communications p. 1315 - 1316 (1994)

Update date:2022-08-03

Topics:

Authors:

Park, Soon-Bong

Nishiyama, Hisao

Itoh, Yoshiki

Itoh, Kenji

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Article abstract of DOI:10.1039/c39940001315

A mixture of <IICl2(p-cymene)>2> 1 and 2,6-bis(4-isopropyloxazolinyl)pyridine (pyboxip) 2 was treated with trimethylsilyldiazomethane to give the trimethylsilylcarbene complex trans-IICl2(pyboxip)(=CHSiMe3)>> 3 at 0-15 deg C in 94percent yield and the azine complex trans-IICl2(pyboxip)(Me3SiCH=N-N=CHSiMe3)> at 25-35 deg C in 73percent yield; the catalytic activity of 3 was examined for dimerization and asymmetric cyclopropanation with ethyl diazoacetate.

Full text of DOI:10.1039/c39940001315

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