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Communication | Regular issue | Vol 23, No. 9, 1985, pp.2243-2246
Published online, 1st January, 1970
DOI: 10.3987/R-1985-09-2243
Studies on Indenopyridine Derivatives and Related Compounds. V. A Facile Synthesis of Ethyl 9,9-Dimethyl-1,2,3,9a-tetrahydro-9H-indeno[2,1-b]pyridine-3-carboxylate

Ryuji Yoneda, Tatsuya Terada, Shigeyo Satoda, and Takushi Kurihara*

*Faculty of Pharmaceutical Science, Osaka University of Pharmaceutical Sciences, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan


New synthetic methods for 1,2,3,9a-tetrahydro-9H-indeno[2,1-b]pyridine (1) are described. These methods involve the acidic de-t-butoxycarbonylation followed by base treatment of the diene (13) and mesylate (14).