Valence Photoisomerization of 1-Ethoxycarbonyl-1H-Azepine: Excited State Energetics and Multiplicity
Abstract
Photolysis of 1-ethoxycarbonyl-1H-azepine in solution at 325-385 nm gives a valence isomer with a quantum efficiency of 0.013. Valence photoisomerization cannot be driven with triplet photosensitizers nor can it be quenched by a triplet quenchers. The isomerization can be carried out using laser excitation at 458 nm. The azepine does not luminescence, but excited state energies can be estimated from absorption and sensitization data (s1 = 60 kcal/ mol, T1 = 55 kcal/mol).
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1976
- Accession Number
- ADA034158
Entities
People
- Guilford Jones Ii
- Laura J. Turbini
Organizations
- Boston University