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Paper | Regular issue | Vol 32, No. 8, 1991, pp.1559-1561
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5763
A Novel Dithiophthalide Synthesis

Peter N. Nugara, Nai-Zhong Huang, M. V. Lakshmikantham, and Michael P. Cava*

*Department of Chemistry, University of Alabama, Box 870336, Tuscaloosa, Alabama 35478-0336, U.S.A.


Thionation of o-phthalaldehyde and naphthalene-2,3-dicarboxaldehyde with Lawesson’s reagent led to the efficient formation of dithiophthalide and 2,3-dithionaphthalide respectively. Dithioaldehydes are presumed intermediates in these conversions.