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Puar, M.S., Rovnyak, G.C., Cohen, A.I., Toeplitz, B. and Gougoutas, J.Z. (1979) Orientation of the Sulfoxide Bond as a Stereochemical Probe. Synthesis and Proton and Carbon-13 NMR of Substituted Thiopyrano[4,3-c]pyrazoles. The Journal of Organic Chemistry, 44, 2513-2518.
http://dx.doi.org/10.1021/jo01328a040

has been cited by the following article:

• TITLE: Arylidene Derivatives as Synthons in Heterocyclic Synthesis

  AUTHORS: N. S. El-Gohary

  KEYWORDS: Arylidenes, Synthesis, Reactions, Heterocycles

  JOURNAL NAME: Open Access Library Journal, Vol.1 No.2, May 21, 2014

  ABSTRACT: This review describes the synthetic procedures for the preparation of arylideneacetophenones, arylidenecycloalkanones, 2-arylidene-1-indanones, 2-arylidene-1-tetralones, 2-arylidene-1-benzosuberones, aurones, 1-thioaurones, 3-arylidene-4-chromanones, 3-arylidene-1-thio-4-chromanones, 3-arylideneflavanones, 3-arylidene-1-thioflavanones, arylideneanilines, arylidenemalononitriles, diethylarylidenemalonates, ethylarylidenecyanoacetates, arylidenecyanoacetamides, 5-arylidene derivatives of barbituric and thiobarbituric acids, arylidene derivatives of Meldrum’s acid and arylidene derivatives of dimedone. Also, it demonstrates the reactivity of these arylidene derivatives in heterocyclic synthesis with emphasis on the most recent findings. Some of these are the α,β-enones, víz. aurones and 3-arylidene-4-chromanones belong to the natural products. The others are synthetic substances which are convenient and important intermediates for the synthesis of a variety of useful and novel heterocyclic systems.