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Abstract
reagents1a,breactwith1,2,3-indantrione(2) togivet hedimeric adducts3aand3b,respectively.Moreover,2reactswithtert-butyldiethyl-phosphonoacetate(1c) yielding thee thyleniccompound4. Ontheotherhand,2 reactswith1dtoyield the phosphonateadduct5. Mechan ismsac counting forthe formation of thenewprod uctsarediscusseda ndthepr obablest ructuresofthe
products are presented based on compatible analytical and spectral data.
References
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