Reaction of 1,2-dihydrobenzocyclobutene-1-carbonitriles with methyl acrylate as an unsymmetric dienophile
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 19,p. 2001-2004
- https://doi.org/10.1039/p19750002001
Abstract
Thermolysis of the 1,2-dihydrobenzocyclobutene-1-carbonitriles (11) and (12) in the presence of methyl acrylate gives in each case two stereoisomeric 1-cyano-2-methoxycarbonyltetralins [(16) and (17), and (18) and (19), respectively]. The cis-isomer (19) was converted into the more stable trans-isomer (17) by treatment with sodium hydride.Keywords
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