Biosynthesis of Cercosporin |
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Authors: | Akira Okubo Sunao Yamazaki Keiichiro Fuwa |
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Institution: | Department of Agricultural Chemistry, The University of Tokyo, Bunkyo-ku, Tokyo |
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Abstract: | 13C NMR spectra were measured for 19 pyrethroids and their related compounds including allethrin, tetramethrin, resmethrin, furamethrin, phenothrin and permethrin. Complete assignment of chemical shifts was accomplished by relative spectral pattern, single-frequency off-resonance decoupling, benzene substituent effects, proton selective decoupling and use of shift reagents. The use of shift reagent was found to be especially efficient for assignment of 13C resonances. In the case of allethrin, the splittings of some resonance peaks were observed originating from diastereomerism. |
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Keywords: | potato cultivar storage temperature reducing sugar free asparagine acrylamide |
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