Dual reactivity of a photochemically-generated cyclic enyne-allene.
Dual reactivity of a photochemically-generated cyclic enyne-allene. Chemical Communications (Cambridge, United Kingdom) 2009, (38), 5707-5709.
Abstract
A reactive ten-membered ring enyne-allene (I) (τ25 °C = 5-6 min) is efficiently generated (Φ300 nm = 0.57) by UV irradn. of a thermally stable precursor in which a triple bond is masked as a cyclopropenone moiety. [on SciFinder(R)]