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Thursday 25 December 2014

meso-2,3-Dibromosuccinic acid

meso-2,3-Dibromosuccinic acid
meso-2,3-Dibromosuccinic acid



Synonyms(2R,3S)-2,3-Dibromobutanedioic acid
Name in Chemical AbstractsButanedioic acid, 2,3-dibromo-, (2R,3S)-
CAS No608-36-6

Molecular formulaC4H4Br2O4
Molecular mass275.88

13C NMR

13C-NMR: meso-2,3-Dibromosuccinic acid
125 MHz, DMSO-d6
delta [ppm]assignment
43.5CHBr
167.7COOH
39.6DMSO-d6






1H NMR

meso-2,3-Dibromosuccinic acid
delta [ppm]mult.atomsassignment
4.52s2 HCHBr
13.75broad s2 HCOOH
2.45s6 HDMSO













IR



IR: meso-2,3-Dibromosuccinic acid
[KBr, T%, cm-1]
[cm-1]assignment
3500-2200O-H valence, superimposed on C-H valence
1722C=O valence
655C-Br valence


raman










mass









Addition of bromine to fumaric acid to meso-dibromosuccinic acid


75


Operating scheme

Operating scheme






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