In industry, the nitrosodecarboxylation reaction between nitrosylsulfuric acid and cyclohexanecarboxylic acid is used to generate caprolactam:[3]
Safety
Nitrosylsulfuric acid is a hazardous material and precautions are indicated.[1]
References
^ abcdeGeorge A. Olah, G. K. Surya Prakash, Qi Wang, Xing-Ya Li (2001). "Nitrosylsulfuric Acid". Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.rn060. ISBN978-0471936237. {{cite book}}: |journal= ignored (help)CS1 maint: multiple names: authors list (link)
^ abRitz, J.; Fuchs, H.; Kieczka, H.; Moran, W. C. (2002). "Caprolactam". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a05_031. ISBN978-3527306732.
^Hodgson, H. H.; Mahadevan, A. P.; Ward, E. R. (1955). "1,4-Dinitronaphthalene". Organic Syntheses; Collected Volumes, vol. 3, p. 341. (diazodization followed by treatment with nitrite)
^Coleman, G. H.; Lillis, G. A.; Goheen, G. E. (1939). "Nitrosyl Chloride". Inorganic Syntheses. Vol. 1. pp. 55–59. doi:10.1002/9780470132326.ch20. ISBN9780470132326. This procedure generates the nitrosylsulfuric acid as an intermediate en route to NOCl.