A ranking of diylophilic reactivities of olefins toward the singlet and triplet forms of the trimethylenemethane biradical, 2-isopropylidenecyclopenta-1,3-diyl
Compounds of the formula (I)
and their use in fragrance compositions.
化合物的公式(I)及其在香料组合物中的用途。
Identification of a biradical as the reactive form of the 2-isopropylidenecyclopentane-1,3-diyl singlet species
作者:Mark R. Mazur、Jerome A. Berson
DOI:10.1021/ja00393a039
日期:1981.2
Direct measurements of the absolute rates of dimerization and capture of the 2-isopropylidenecyclopenta-1,3-diyl species by electron paramagnetic resonance spectroscopy
作者:Matthew S. Platz、Jerome A. Berson
DOI:10.1021/ja00527a038
日期:1980.3
Formal kinetic proof of reversible unimolecular transformation to a biradical as an obligatory first step in the mechanism of cycloaddition of 5-isopropylidenebicyclo[2.1.0]pentane to olefins