2-Cyclopropyl-3-methyl-2-butene Singlet oxygen

Frimer, A.A.; Roth, D.
J. Org. Chem. 44, 3882-3887 (1979)

Reaction: 2-Cyclopropyl-3-methyl-2-butene + ¹O₂^* ® products
Reference Reaction: (CH₃)₂C=C(CH₃)₂ + ¹O₂^* ®
Solvent: CH₃CN

k/k_reference = 1.1
T = 283K

Experimental method: Photolysis
Analytical method: GLC
Data type: Relative value measured by steady state method

Photosensitizer = Methylene Blue; C.k. with 1,2-dimethylcyclohexene. Meas. k/k_ref = 1.1.

Rousseau, G.; Le Perchec, P.; Conia, J.M.
Tetrahedron 34, 3483-3494 (1978)

Reaction: 2-Cyclopropyl-3-methyl-2-butene + ¹O₂^* ® products
Reference Reaction: (Dicyclopropylmethylidene)cyclobutane + ¹O₂^* ®
Solvent: (CH₃)₂CO

k/k_reference = 7.6 × 10^-1

Experimental method: Photolysis
Analytical method: chromatography
Data type: Relative value measured by steady state method

Photosensitizer = Eosin dianion. Meas. k/k_ref = 0.76.