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In the title compound, 2C4H10NO3+.SO42-.H2O, both threoninium molecules have a gauche II form for the C and gauche I form for the O. The sulfate anion links the cation in an infinite manner through hydrogen bonds along the b and c axes. The two water molecules on the twofold axes link the sulfate...
The title compound, C19H25NO2, was made in order to confirm the absolute configuration of (R)-3-methyl-2-butylamine obtained from commercially available (R/S)-3-methyl-2-butylamine (racemate) after fractional crystallization of its ammonium salt with the optically pure carboxylic acid derivative,...