Cerium photocatalyzed dehydrogenative lactonization of 2-arylbenzoic acids
The first cerium photocatalyzed dehydrogenative lactonization of 2-arylbenzoic acids has been developed. This operationally simple protocol allows rapid access to synthetically useful coumarins on gram scale by employing CeCl3 as a photocatalyst and O2 as a terminal oxidant. Overall, this delivers an economical and environmentally amiable entry to diversely substituted coumarins, important structural motifs in bioactive molecules.
Wadekar, Ketan,Aswale, Suraj,Yatham, Veera Reddy
p. 983 - 987
(2020/02/15)
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