Neospiroenones. Synthesis of 10,11-dimethoxy-1,6,6-trimethyl-5,6,8,12b-tetrahydrobenzo[d,f]indol-4(3H)-one and 10,11-dimethoxy-6,6-dimethyl- 1,5,6,12b-tetrahydrobenzo[d,f]indol-2(8H)-one |
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| Authors: | Shklyaev Yu. V. El’tsov M. A. Rozhkova Yu. S. Kharitonova A. V. Mayorova O. A. |
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| Affiliation: | 1.Institute of Technical Chemistry, Ural Branch of the Russian Academy of Sciences, 3 ul. Akad. Koroleva, 614013, Perm, Russian Federation
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| Abstract: | The three-component condensation of isobutyraldehyde, 3,4-dimethoxyphenylacetonitrile, and p-methylanisole or anisole in the presence of concentrated sulfuric acid affords neospiroenone systems. |
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