In the reactions between tertiary acetylenic alcohols and trans-[PtClH(PPh3)2] no insertion reactions into the Pt–H bond occur. In the presence of primary alcohols, R″OH, monochlorobis(triphenylphosphine)platinum complexes of alkynyl ethers, [PtCl{C![[triple bond, length half m-dash]](https://www.rsc.org/images/entities/char_e007.gif)
CCR(R′)(OR″)}(PPh3)2], are obtained. Secondary and tertiary alcohols promote an intramolecular dehydration reaction and complexes of alkenylalkynes are formed.
A. Furlani, S. Licoccia, M. V. Russo and C. Guastini, J. Chem. Soc., Dalton Trans., 1980, 1958 DOI: 10.1039/DT9800001958
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