Abstract
The condensation of lupininic acid with piperidine in the presence of phosphorus pentoxide forms d-epilupin-inoylpiperidine. The reduction of d-epilupininoylpiperidine with lithium aluminum hydride has given piperidino-d- epilupinane.
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References
A. S. Sadykov, Kh. A. Aslanov, and T. Tursunbaev, ZhOKh, 30, 3496, 1960.
Kh. A. Aslanov, T. Kasymov, A. S. Sadykov, and A. I. Ishbaev, KhPS [Chemistry of Natural Compounds], 3, no. 6, 412, 1967.
F. Bohlmann, E. Winterfeld and U. Frise. Chem. Ber., 96, 2251, 1963.
Bartholomäus and Schaumann, German patent no. 386936, 1923; 1, 2636, 1924.
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The lupininic acid described in the literature is d-epilupininic acid. So as not to produce confusion, we also call it lupininic acid.
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Aslanov, K.A., Kasymov, T.K., Sadykov, A.S. et al. The product of the condensation of lupininic acid with piperidine. Chem Heterocycl Compd 6, 454–456 (1970). https://doi.org/10.1007/BF00478390
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DOI: https://doi.org/10.1007/BF00478390