反应详情

After dissolving compound 18 (1.00 g, 4.23 mmol) in THF (20 ml), the temperature was reduced to or and DIBAL-H (12.96 ml) was dropped. After the agitation for 3 hours was carried out, the reaction was terminated and the extraction was conducted with EA. The organic layer was washed five times with brine and the column chromatography was carried out to obtain compound 19.

1. additionwas dropped
2. customthe reaction was terminated
3. extractionthe extraction
4. washThe organic layer was washed five times with brine