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Selective C-O Bond Cleavage of Allylic Esters using under Light Irradiation to give Hydridocarboxylatomolybdenum(II) Complexes

DOI: 10.1039/DT9900002407

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 2407 - 2412 (1990)

Update date:2022-08-10

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Authors:

Ito, TakashiIto, Takashi

Matsubara, TetsuakiMatsubara, Tetsuaki

Yamashita, YoichiroYamashita, Yoichiro

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Article abstract of DOI:10.1039/DT9900002407

The complex (1) (dppe=Ph2PCH2CH2PPh2) reacted with allyl carboxylates RCO2CH2CH=CH2 (R=H, Me, Et, Prn, But, CH2=CMe, or Ph) in benzene upon irradiation with a high-pressure mercury lamp to give (2), together with propene and H2.Reaction pathways comprising the oxidative addition of the allyl carboxylates involving allyl-oxygen bond cleavage are proposed on the basis of the results obtained with substituted allylic esters.The complexes (2) were characterized spectroscopically as having pentagonal-bipyramidal structures in solution.The similar reaction of complex (1) with allyl formate led to selective cleavage of the formic C-H bond to give ultimately the known cis- via (2; R=H).

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