Chemical and Pharmaceutical Bulletin p. 591 - 592 (2010)
Update date:2022-08-04
Topics:
Matsuo, Jun-Ichi
Hoshikawa, Takaya
Sasaki, Shun
Ishibashi, Hiroyuki
Trialkylamine-mediated intramolecular cyclization of pent-4-enoyl chlorides was studied. Substitution with a tertiary alkyl group at the 2-position gave cyclopent-2-en-1-ones, while substitution with an aromatic group gave enol esters, which were formed by O-acylation of initially formed 3-chlorocyclopentanones with ketenes.
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