N-quaternary compounds—XXVIII: Circular dichroism of α-trimethylammonium acids
M Gacek, K Undheim
Index: Gacek,M.; Undheim,K. Tetrahedron, 1973 , vol. 29, p. 863 - 866
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Citation Number: 14
Abstract
The dichroic absorption of α-trimethylammonium carboxylic acids has been compared with that of α-amino acids. The quaternary acids were synthesized by methylation of amino acids or by the Menschutkin reaction between bromo acids and trimethylamine. The stereochemical course in the Menschutkin reaction is discussed. Rate of racemisation in alkaline solution of the synthesized quaternary acids has been determined.
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