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Communication | Regular issue | Vol 32, No. 11, 1991, pp.2089-2092
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5849
A New Synthetic Route to Benzazocines Including the First Example of 2-Benzazocines

Jyoji Kurita, Takeshi Yamanaka, and Takashi Tsuchiya*

*Faculty of Pharmaceutical Sciences, Hokuriku University, 3-Ho, Kanagawa machi, Kanazawa 920-1181, Japan

Abstract

1-Ethoxy-2-benzazocine (6), the first example of 2-benzazocines, was prepared from 1-isoquinolone (1) via 2a,8b-dihydrocyclobut[c]isoquinolone (4). Similarly, 2-alkoxy-1-benzazocines (12a,b) were obtained from 2-quinolone (10) via the cyclobuta[c]quinolone (11).