The homolytic decompn. of arenediazonium salts induced by thermal, photochem., or redox [Fe(II) salts or Cu] sources in the presence of MeCOCOMe (I) gave substituted PhCOMe derivs. with complete positional selectivity. E.g., decompn. of 4-MeOC6H4N2+ BF4- in DMSO induced by Cu in the presence of I gave 68% 4-MeOC6H4COMe. The reaction mechanism involves a free-radical chain or redox-chain process
Homolytic aromatic acetylation. A new substitution reaction of arenediazonium salts
CITTERIO, ATTILIO;VISMARA, ELENA
1982-01-01
Abstract
The homolytic decompn. of arenediazonium salts induced by thermal, photochem., or redox [Fe(II) salts or Cu] sources in the presence of MeCOCOMe (I) gave substituted PhCOMe derivs. with complete positional selectivity. E.g., decompn. of 4-MeOC6H4N2+ BF4- in DMSO induced by Cu in the presence of I gave 68% 4-MeOC6H4COMe. The reaction mechanism involves a free-radical chain or redox-chain processFile in questo prodotto:
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