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| Content Provider | Springer Nature Link |
|---|---|
| Author | Pishchugin, F. V. Tuleberdiev, I. T. |
| Copyright Year | 2009 |
| Abstract | The kinetics and mechanism of the reactions of pyridoxal with L- and D-α-alanine were studied. Under comparable conditions, the condensation of L- and D-α-alanines with pyridoxal includes three kinetically different steps. The first fast step is addition of the amino acid to pyridoxal with formation of the corresponding amino alcohol, the second (slower) step is dehydration of the amino alcohol to give Schiff base, and the third (very slow) step is elimination of α-hydrogen atom from the L-α-amino acid fragment or decarboxylation of the D-α-amino acid fragment, followed by isomerization of the Schiff base to quinoid structure whose subsequent hydrolysis yields pyridoxamine and pyruvic acid or acetaldehyde, respectively. A scheme was proposed for chemical transformations of the pyridoxal condensation products with L- and D-α-alanines. |
| Starting Page | 117 |
| Ending Page | 120 |
| Page Count | 4 |
| File Format | |
| ISSN | 10703632 |
| Journal | Russian Journal of General Chemistry |
| Volume Number | 79 |
| Issue Number | 1 |
| e-ISSN | 16083350 |
| Language | English |
| Publisher | SP MAIK Nauka/Interperiodica |
| Publisher Date | 2009-02-26 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Chemistry/Food Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry |
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