Dual reactivity of a photochemically-generated cyclic enyne-allene.
A reactive ten-membered ring enyne-allene (tau(25 degrees C) = 5-6 min) is efficiently generated (Phi(300 nm) = 0.57) by UV irradiation of a thermally stable precursor in which a triple bond is masked as a cyclopropenone moiety.
Kuzmin
Alexander V
AV
Department of Chemistry, University of Georgia, Athens, Georgia 30602, USA.
Popik
Vladimir V
VV
D000466:Alkadienes / Q000737:chemistry*; D003500:Cyclization; D003521:Cyclopropanes / Q000737:chemistry; D010777:Photochemistry; D014466:Ultraviolet Rays
D000466:Alkadienes; D003521:Cyclopropanes; C120343:cyclopropenone; C025947:propadiene