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Tritium labeling of 7‐ iso propoxy iso flavone
Author(s) -
Ötvös Ferenc,
Tóth Géza,
Szatmári István,
Lévai Ferenc
Publication year - 1999
Publication title -
journal of labelled compounds and radiopharmaceuticals
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.432
H-Index - 47
eISSN - 1099-1344
pISSN - 0362-4803
DOI - 10.1002/(sici)1099-1344(199905)42:5<497::aid-jlcr212>3.0.co;2-#
Subject(s) - chemistry , bromine , halogenation , catalysis , nuclear chemistry , tritium , organic chemistry , medicinal chemistry , nuclear physics , physics
Catalytic tritiodehalogenation of 8‐bromoipriflavone and 6,8‐dibromoipriflavone resulted in [8‐ 3 H]ipriflavone ( 3 ) and [6,8‐ 3 H 2 ]ipriflavone ( 7 ) with specific activities of 1.08 TBq/mmol (29.2 Ci/mmol) and 1.94 TBq/mmol (52.4 Ci/mmol), respectively. 8‐Bromoipriflavone was synthesized by direct bromination of ipriflavone, while 6,8‐dibromoipriflavone was formed by iso propylation of the phenolic OH group of 6,8‐dibromo‐7‐hydroxy iso flavone which itself was prepared from 7‐hydroxy iso flavone and elemental bromine. Copyright © 1999 John Wiley & Sons, Ltd.