SYNTHESES OF ISODITYROSINE, DITYROSINE AND RELATED-COMPOUNDS BY PHENOLIC OXIDATION OF TYROSINE AND PHENYLGLYCINE DERIVATIVES USING AN ELECTROCHEMICAL METHOD
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作者:
NISHIYAMA, S
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机构:Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama
NISHIYAMA, S
KIM, MH
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机构:Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama
KIM, MH
YAMAMURA, S
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机构:Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama
YAMAMURA, S
机构:
[1] Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama
The phenolic oxidation of L-tyrosine derivatives by electrolysis and zinc reduction produced the coupling products leading to isodityrosine and dityrosine. The oxidation mode could be controlled by altering halogen substituents (Br or I) at two ortho positions of phenol groups. Additionally, this methodology was applied to 4-hydroxy-D-phenylglycine derivatives, providing the corresponding oxidative products.