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Natural Product Letters Volume 9, 1996 - Issue 2
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Original Articles

Unusual Reaction of Sodium Borohydride with Flavones in Trifluoroacetic Acid

G. Lewin Laboratoire de Pharmacognosie, Faculté de Pharmacie, bld. Becquerel, 14032, Caen Cedex, France; Laboratoire de Pharmacognosie, Faculté de Pharmacie, av. J. B. Clément, 92296, Chǎtenay-Malabry Cedex, France
,
C. Schaeffer Institut de Recherches Servier, 11 rue des Moulineaux, 92150, Suresnes, France
&
P.-H. Lambert Institut de Recherches Servier, 11 rue des Moulineaux, 92150, Suresnes, France
Pages 97-104 | Received 28 Mar 1996, Published online: 04 Oct 2006

References

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  • Lewin , G. , Bert , M. , Dauguet , J. C. , Dolley , J. , Le Menez , P. , Schaeffer , C. , Guinamant , J. L. and Volland , J. P. 1991 . Bull. Soc. Chim. Fr. , 128 : 939 – 944 .
  • 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.
  • Prepared by alkylation of diosmetin (DMF, excess K2CO3 and 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.
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