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110-43-0 CAS数据库: Revision history

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10 November 2025

  • curprev 19:5919:59, 10 November 2025 Filomena52S talk contribs 2,847 bytes +2,847 Created page with "<br><br><br>分出油层，水层再蒸馏，再分出油层。 合并有机层，无水硫酸钠干燥，分馏，收集148～150℃的馏分，得2-庚酮（1）65g，收率56%。 当放出的二氧化碳比较平缓时，开始慢慢加热使溶液沸腾，蒸出原总体积的1/3～1/2，收集后用固体氢氧化钠调成碱性，然后再蒸出80%～90%。 蒸出物静置分层，分出酮层，水层重新蒸出1/3，静置分出酮层，水层再蒸出1/3，如..."
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