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Bourdelande, J.L.1
Font, J.2
González-Moreno, R.3
Nonell, S.4
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Ikeda, A.1
Suzuki, Y.2
Yoshimura, M.3
Shinkai, S.4
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53
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3743122154
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note
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13C NMR spectra were recorded on a Varian XL-300 spectrometer at 300 and 75 MHz, respectively. Analytical samples were dried in a drying pistol under vauum for at least 36 h. Microanalyses were performed by Desert laboratories, Tucson, AZ. Thin-layer chromatography (TLC) was carried out on Analtech silica gel plates (absorbant thickness 250 mm) containing a fluorescent indicator. Column chromatography was carried out with J. T. Baker silica gel no. JT7042-2 (40-64 mm particles) on columns filled to a height of ca. 6 in. Elution rates were 2 in. min. Mass spectral determinations were carried out by the Mass Spectrometry Resource Center of Washington University, St. Louis, MO, partially supported by NIH Grant RR00954.
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