PMC:7571312 / 68718-69054 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7571312","sourcedb":"PMC","sourceid":"7571312","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7571312","text":"radually became opaque and after 1 h was quenched with 1:1 ice/sat aqueous NaHCO3 (40 mL) and extracted three times with ethyl acetate (40 mL). The combined organics were washed once with brine (30 mL), dried over MgSO4, filtered, and concentrated to give a yellow syrup. 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