Enantioselective catalysis of the triplex Diels-Alder reaction: a study of

Soc. , 1992, 114 (24), pp 9309–9317. DOI: 10.1021/ja00050a011. Publication Date: November 1992. ACS Legacy Archive. Cite this:J. Am. Chem. Soc. 114,...
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J. Am. Chem. SOC. 1992,114, 9309-9317

9309

that an optical density of 2 (*5%) across the cell was achieved. Transient absorption spectra w m generated by monitoring the change in absorption at various wavelengths. To avoid the photolysis of sample with probe light, a cutoff filter (WG-345;