Photochemical ring-opening reactions are complete in picoseconds: a time-resolved UV resonance Raman study of 1,3-cyclohexadiene
作者:Philip J. Reid、Stephen J. Doig、Steven D. Wickham、Richard A. Mathies
DOI:10.1021/ja00064a040
日期:1993.6
Photoproduct formation, vibrational, and conformational relaxation kinetics in the photochemical ring-openings of 1,3-cyclohexadiene (CHD) and α-phellandrene (α-PHE) are determined by picosecond, time-resolved UV Stokes and anti-Stokes resonance Raman spectroscopy. The frequency-doubled output from an amplified, synchronously pumped dye laser system was used to perform transient, two-color resonance
1,3-环己二烯 (CHD) 和 α-水芹烯 (α-PHE) 光化学开环中的光产物形成、振动和构象弛豫动力学由皮秒、时间分辨紫外斯托克斯和反斯托克斯共振拉曼光谱确定. 来自放大、同步泵浦染料激光系统的倍频输出用于对 CHD 光转化为顺式己三烯 (c-HT) 和 α-PHE 光转化为 3,7 进行瞬态双色共振拉曼斯托克斯实验-二甲基-1,3,5-辛三烯 (OT)。基态 c-HT 的斯托克斯散射的出现时间为 6±1 ps,而 OT 的出现时间为 11±2 ps。在这两个反应中,光产物反斯托克斯乙烯强度以 8±2 ps 的时间常数出现并在 9±2 ps 内衰减