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Addition of boron enolates to isoquinolinium salts: A facile synthesis of 1-β-keto substituted 2-ethoxycarbonyl-1,2-dihydroisoquinolines and their cyclization

✍ Scribed by Kin-ya Akiba; Kei-ichi Araki; Masayuki Nakatani; Makoto Wada

Publisher: Elsevier Science
Year: 1981
Tongue: French
Weight: 259 KB
Volume: 22
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)92392-5

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✦ Synopsis

An efficient method to synthesize 1-P-keto substituted 2-ethoxycarbonyl ( or 2-acetyl )-1, 2-dihydroisoquinolines (A) is described, utilizing boron enolates and isoquinolinium salts. The products were treated with sodium ethoxide to afford

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