SCHEDULED MAINTENANCE:
The nuclear magnetic resonance spectra of the five isomeric 2,3,5,6-tetramethylpiperazine dihydrochlorides have been obtained in aqueous solution and four of the spectra analysed in terms of X3AA′X′3 nuclear magnetic systems. Deductions have been made of the stereochemical assignment of the isomers.
R. K. Harris and N. Sheppard, J. Chem. Soc. B, 1966, 200 DOI: 10.1039/J29660000200
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