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Syntheses and properties of selenium‐bridged bischromones
Author(s) -
Löwe Wernexsr,
Rütjes Thomas
Publication year - 1995
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570320107
Subject(s) - chemistry , selenium , chromone , hydrogen peroxide , organic chemistry , peroxide
The preparation of the new selenium‐bridged chromones 5a‐e is described. Compound 5c reacts with m ‐CPBA under various conditions to give the corresponding selenoxide 7 and the Pummerer products 8 and 9 . The selenides 5a‐c react with excess m ‐CPBA to form the diselenides 13a‐c . Oxidation of 13c with hydrogen peroxide afforded the chromone‐3‐seleninic acid 22 .
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