Conclusions
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1.
A study was made of the dehydrocarboxylation of some acetoxyalkanoic acids RR'CHCH(COOH) (CH2)nOAc by the joint action of the tetravalent lead and divalent copper acetates in the presence of pyridine.
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2.
Conditions were found for running the dehydrocarboxylation that assured a high conversion of the acids to the cis- and trans-acetates RR'CH=CH(CH2)nOAc and RR'CHCH=CH(CH2)n-1OAc.
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3.
The mutual arrangement of the acetoxyl and carboxyl groups and the structure of the RR'CH fragment of the acid exert a substantial influence on the ratio of the formed acetates.
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J. D. Bacha and J. K. Kochi, J. Org. Chem.,33, 83 (1968).
J. D. Bacha and J. K. Kochi, Tetrahedron,24, 2215 (1968).
G. I. Nikishin, Yu. N. Ogibin, and A. D. Pelrov, Dokl. Akad. Nauk SSSR, 138, 393 (1961).
K. B. Wiberg (editor), Oxidation in Organic Chemistry, Part A, Academic Press, New York (1965). p. 279.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 587–592, March, 1973.
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Ogibin, Y.N., Katsin, M.I. & Nikishin, G.I. Reactions of carboxylic acids and their derivatives with compounds of variable valence metals. Russ Chem Bull 22, 562–566 (1973). https://doi.org/10.1007/BF00854025
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DOI: https://doi.org/10.1007/BF00854025