Reaction of Li4(thf)4(oepg)(oepg = octaethylporphyrinogen with YCI3(thf)3.5 affords the first yttrium porphyrinogen complex [Li(thf)2][(oepg)Y(µ-OEt)Li(thf)]1via intermediate cleavage of thf, subsequent reaction with alkyl and hydride sources leads to the formation of the demetallated dienolate salt of the macrocycle [(oepg)(thfLi)4][LiOCH![[double bond, length half m-dash]](https://www.rsc.org/images/entities/char_e006.gif)
CH2]22.
J. Jubb, S. Gambarotta, R. Duchateau and J. H. Teuben, J. Chem. Soc., Chem. Commun., 1994, 2641 DOI: 10.1039/C39940002641
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