Cyclisation intramoleculaire des acides naphtyl methyl-2 pentene-4 oiques et des bis (carboxy-2 pentene-4) yl benzenes: Preparation d'anthracenes et de …
A Regnault, P Canonne
Index: Regnault,A.; Canonne,P. Tetrahedron, 1969 , vol. 25, p. 2349 - 2365
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Abstract
The cyclization of 2-naphthylmethylpent-4-en-1-oic acids by protonic acids yields tetrahydrophenanthrenecarboxylic acids. A new and convenient method of synthesizing polymethylanthracenes and-phenanthrenes has been developed. Some aspects of these cyclizations are also discussed. A detailed analysis of the NMR spectra of these anthracenes and phenanthrenes confirms the assignments.
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