scheme24
![Recent advances in organocatalytic cascade reactions for enantioselective synthesis of chiral spirolactone skeletons](https://image.oaes.cc/81dabbbc-923b-43d2-a26d-fe5689f6999d/5406.scheme.24.jpg)
Scheme 24. 3-Isothiocyanato butyrolactone as C-N-C synthons for construction of chiral spirobutyrolactones.
Scheme 24. 3-Isothiocyanato butyrolactone as C-N-C synthons for construction of chiral spirobutyrolactones.
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