Tetrahedron Letters p. 2227 - 2230 (1984)
Update date:2022-08-11
Topics:
Picq, M.
Prigent, A. F.
Chabannes, B.
Pacheco, H.
Parent, P.
Pichat, L.
An efficient procedure is described for alkylation of quercetin with alkyl halides by use of tetraethylammonium fluoride in DMF or HMPT.The method is applied successfully to the preparation of 3,7,3',4', tetra-O-ethyl 5<(3)H> O-ethylquercetin with a specific radioactivity of 45 Ci/mmol.
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(1996)
