As a co-catalyst with L-proline improved both yield and enantioselectivity of an asymmetric aldol condensation between dioxanones and aldehydes.1 Efficient catalyst for the preparation of tetrahydropyranyl ethers.
1. Synlett, 2387, (2006)
2. J. Am. Chem. Soc. 114, 5086, (1992)
3. J. Org. Chem. 57, 1722, (1992)
4. Beilstein Beil. 20,V,5,160