Journal of Organic Chemistry p. 3294 - 3298 (1991)
Update date:2022-08-02
Topics:
Chan, T. H.
Schwerdtfeger, A. E.
Functionalized β-dicarbonyl bicyclic compounds 5 and 17 were hydroxymethylated at the angular position as the (benzyloxy)methoxy derivatives with diisopropylethylamine (DIPEA) and benzyl chloromethyl ether in the presence of paraformaldehyde.The stereochemistry of cis-8a-<<(benzyloxy)methoxy>methyl>-3-(phenylthio)-4a,5,6,8a-tetrahydronaphthalene-1,8(4H,7H)-dione (12) was confirmed by X-ray analysis of the ethylene ketal 16.
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