Summary
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1.
With geranic acid and its ester as examples, the applicability of low-temperature cyclization to isoprenoid acids was demonstrated.
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2.
The effect of reaction conditions on the course of the cyclization of methyl geranate was studied, and suggestions were made concerning the identities of the intermediate products.
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3.
α-Cyclogeranic acid and its ester can be converted only with difficulty into the corresponding β -isomers.
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Smit, V.A., Semenovskii, A.V., Vlad, P.F. et al. Cyclization of isoprenoid compounds. Russ Chem Bull 11, 289–293 (1962). https://doi.org/10.1007/BF00908037
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DOI: https://doi.org/10.1007/BF00908037