Sequential carboxylation/intramolecular cyclization reaction of o-alkynyl acetophenone with CO
Organic Chemistry Frontiers, ISSN: 2052-4129, Vol: 1, Issue: 3, Page: 275-283
2014
- 37Citations
- 17Captures
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Article Description
A novel sequential carboxylation/intramolecular cyclization reaction of o-alkynyl acetophenone with CO was developed for producing the synthetically important 1(3H)-isobenzofuranylidene acetic acids and esters in good yield and exclusive selectivity toward 5-exo oxygen cyclization under very mild reaction conditions (room temperature and CO balloon). This efficient reaction system showed wide functional group compatibility. Also, the computational study successfully explained the exclusive product selectivity toward the 5-exo oxygen cyclization product.
Bibliographic Details
Royal Society of Chemistry (RSC)
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