Treatment of carbonates of alka-3,5-dien-1-ols with (η2-propene)Ti(OPri)2 resulted in intramolecular nucleophilic acyl substitution (INAS) reaction to afford allyltitanium compounds containing lactone or ester moieties, which add regiospecifically to aldehydes.
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Zubaidha et al. (1996) studied this question.
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