A palladadigermetane: Palladium-catalyzed insertion reactions of digermiranes

DOI: 10.1021/om00111a037

Source and publish data:

Organometallics p. 2286 - 2288 (1989)

Update date:2022-08-05

Topics:

Authors:

Tsumuraya, Takeshi

Ando, Wataru

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Article abstract of DOI:10.1021/om00111a037

The palladium-catalyzed reactions of digermirane 1 with dimethyl acetylenedicarboxylate and acetylene give the ring expansion products 2 and 3. Reaction with methyl acrylate gives the rearranged product 4. In the stoichiometric reaction of 1 with Pd(PPh₃)₄, palladadigermetane 6 is isolated as a stable compound. 6 reacts with dimethyl acetylenedicarboxylate, acetylene, and methyl acrylate to yield 2, 3, and 4, respectively. The similar palladium-catalyzed reactions of thia- and selenadigermiranes 9 and 10 with acetylene give the ring expansion products 11 and 12, respectively.

Full text of DOI:10.1021/om00111a037

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Product name:{C₆H₃(C₂H₅)2}2GeCH₂Ge{C₆H₃(C₂H₅)2}2Pd(P(C₆H₅)3)2

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