Author:
Bauer L,Bell CL,Brophy GC,Bubb WA,Sheinin EB,Sternhell S,Wright GE
Abstract
The 100-MHz N.M.R. spectra
of four 1,4-dihydro-1,4-ethenoisoquinolin- 3(2H)-ones
were analysed and the relative signs of vicinal and allylic coupling constants
were determined in one of the series. The allylic coupling constants include
the largest positive value so far reported and appear to vary with substitution
in a manner analogous to that exhibited by coupling constants between meta
protons in benzene derivatives.
Cited by
6 articles.
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1. 4,5-Dibenzyloxybenzyne as a synthon for diels-alder reactions. The synthesis of 6,7-dihydroxy-1,4-ethano-1,2,3,4-tetrahydroisoquinolines as rigid analogs of adrenergic agents. Assignment of proton and carbon-13 NMR parameters using homonuclear and heteronuclear two-dimensional chemical shift correlation NMR spectroscopy;Journal of Heterocyclic Chemistry;1985-07
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5. Conformational dependence and mechanisms for long-range hydrogen-hydrogen coupling constants over four bonds;Journal of the American Chemical Society;1975-03