Chemistry of Molybdenum Complexes with (Triphenylmethyl)allene

DOI: 10.1039/DT9950002351

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 2351 - 2358 (1995)

Update date:2022-08-05

Topics:

Authors:

Huang, Bor-Chen

Wu, Iuan-Yuan

Lin, Ying-Chin

Peng, Shie-Ming

Lee, Gene-Hsiang

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Article abstract of DOI:10.1039/DT9950002351

The cationic allene complex 5-C5H5)(CO)3(η²-CH2=C=CHCPH3)>BF4 1, was converted into the dihydronaphthyl complex 5-C5H5)(CO)3(C10H7Ph2)> in the presence of KSCN as the major product.When the reaction was carried out at high concentration, the allylic complex 5-C5H5)(CO)2(η³-CH2C(COC10H7Ph2)CHCPh3>> was isolated as a minor product.Reaction of allene with the dihydronaphthyl complex also induced insertion of CO followed by C-C coupling to give the allylic complex 5-C5H5)(CO)2<η³-CH2C(COC10H7Ph2)CH2>>.In CHCl3 migration of the organic moiety on Mo in the dihydronaphthyl to the C5H5 ligand occurred giving 5-C5H4(C10H7Ph2)>(CO)3>.In tetrahydrofuran and MeCN, similar reactions gave 5-C5H4(C10H7Ph2)>(CO)3> and C5H5(C10H7Ph2) respectively.Under thermolytic conditions 5-C5H5)(CO)2(PPh3)> was also converted into 5-C5H4(C10H7Ph2)>(CO)2(PPh3)>.The latter complex and 5-C5H5)(CO)3(C10H7Ph2)> have been characterized by X-ray diffraction analysis.

Full text of DOI:10.1039/DT9950002351

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