反应详情

The product from step (iii) (5.38 g) was dissolved in dry DCM (50 ml) and dry DMF (2.3 ml) added followed by thionyl chloride (2.17 ml). The reaction mixture was stirred at RT overnight, and then diluted with aqueous sodium hydrogen carbonate, extracted with DCM, dried (MgSO4) and evaporated under reduced pressure to give an oil. The oil was dissolved in DMF (20 ml), sodium cyanide (1.30 g) was added and stirred at RT overnight. The reaction mixture was diluted with water, extracted with ether, dried (MgSO4) and evaporated under reduced pressure. The residue was purified by flash column chromatography (eluent 1:2 ether/isohexane) to give the subtitle compound (4.50 g).

1. extractionextracted with DCM
2. dry with materialdried (MgSO4)
3. customevaporated under reduced pressure
4. customto give an oil
5. stirringstirred at RT overnight
6. extractionextracted with ether
7. dry with materialdried (MgSO4)
8. customevaporated under reduced pressure
9. customThe residue was purified by flash column chromatography (eluent 1:2 ether/isohexane)