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Report | Regular issue | Vol 22, No. 7, 1984, pp.1545-1554
Published online, 1st January, 1970
DOI: 10.3987/R-1984-07-1545
N,N-Dimethylchloroformiminium Chloride in the Synthesis of Heterocyclic Compounds. The Synthesis of N-Heteroarylformatidine Hydrochlorides, Oxazolo[5,4-d]pyrimidines, Fused Imidazoles and Other Systems

Branko Stanovnik,* Oliver Bajt, Branko Belcic, Bozidar Koren, Marija Prhavc, Anton Stimac, and Miha Tisler

*Department of Chemistry, E. Kardelj University, Murnikova 6, 61000 Ljubljana, Slovenia


N,N-Dimethylchloroformiminium chloride (DCFC) was used for preparation of N-heteroarylformamidine hydrochlorides (2), fused oxazoles (4), imidazoles (6, 8) and thiazoles (10). DCFC is advantageous in those cases in which the undesired further methylation of NH, OH, and SH groups could occur by using N,N-dimethylformamide dimethyl acetal (DMFDMA).