1. Reduction de flavanones par le cyanoborohydrure de sodium dans l'acide trifluoroacetique - I/
2. Prepared by alkylation of diosmetin (DMF, 2 eq. KHCO3, excess ethyl chloroacetate). F 159-160[ddot]C (MeOH). Anal. Calcd for C24H24O10: C 61.02, H 5.12. Found C 60.65, H 4.98.
3. Prepared by alkylation of diosmetin (DMF, excess K2CO3and ethyl chloroacetate). F 144-145[ddot]C (MeOH). Anal. Calcd for C28H30O12: C 60.21, H 5.41. Found C 59.81, H 5.40.