Some reactions of enamines. Part II. Some alkylation reactions of the pyrrolidine enamines of 3,4-dihydronaphthalen-1(2H)-one and 6,7,8,9-tetrahydro-5H-benzocyclohepten-5-one
- 1 January 1970
- journal article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- Vol. 1 (1) , 35-38
- https://doi.org/10.1039/j39700000035
Abstract
The pyrrolidine enamines (III) and (IV) of 3,4-dihydronaphthalen-1(2H)-one (I) and 6,7,8,9-tetrahydro-5H-benzocyclohepten-5-one (II), respectively, were prepared. Alkylation of (III) and (IV) with methyl iodide and with methyl vinyl ketone yielded the α-3-methyl and the α-(3-oxobutyl) ketones of (I) and (II). Conformations for the tricyclic products formed in the intramolecular aldol condensations of the α-(3-oxobutyl) ketones of (I) and (II) are proposed.Keywords
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