Concerted and nonconcerted pathways for thermal conversions of deuterium-labeled cyclohexenes to butadienes and ethylenes

Article abstract of DOI:10.1021/ja00078a011

The retro Diels-Alder reactions of cyclohexene-3,3,6,6-d₄ and the 4,5-cis isomers of cyclohexene-1,2,3,4,5,6-d₆ have been followed using single-pulse shock tube kinetic and tunable diode laser infrared spectroscopic techniques. At te