Iminium ion mediated cyclizations with 4-aryl-1, 4-dihydropyridines. Bridging with thiophene and furan

GD Hartman, W Halczenko…

Index: Hartman, George D.; Halczenko, Wasyl; Phillips, Brian T. Journal of Organic Chemistry, 1986 , vol. 51, # 2 p. 142 - 148

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Citation Number: 20

Abstract

Conclusion The application of 2H natural abundance spectroscopy involves greatly simplified spectra and can aid in simplifying the process of interpretation of very complex lH spectra. The simple shift patterns resulting from broadband proton decoupling due to the absence of 2H-2H couplings in all but a very few (0.00024%) of the molecules produce much more readily interpreted spectra. The proton-decoupled, deuterium technique ...