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Figure 1 The 3-steps synthesis of the title molecule, (I). i) SOCl2, MeOH, reflux; ii) (DHQ)2PHAL, n-PrOH/tBuOCONHCl; K2OsO2(OH)4, 0 °C; iii) p-MeOC6H4CH(OMe)2, PPTS, toluene, 80 °C. |
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Figure 1 The 3-steps synthesis of the title molecule, (I). i) SOCl2, MeOH, reflux; ii) (DHQ)2PHAL, n-PrOH/tBuOCONHCl; K2OsO2(OH)4, 0 °C; iii) p-MeOC6H4CH(OMe)2, PPTS, toluene, 80 °C. |