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Structure of stizolobic acid and stizolobinic acid; two novel amino acids in stizolobium hassjoo

โœ Scribed by Siro Senoh; Shoji Imamoto; Yoshiko Maeno; Takashi Tokuyama; Takeo Sakan; Atsushi Komamine; Shizuo Hattori

Publisher
Elsevier Science
Year
1964
Tongue
French
Weight
238 KB
Volume
5
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

In 1959, Eattori and Kcuuamine isolated two new amino acids fran the sap of etiolated eplcotyl tips of Stizolobium hassjoo and named them stizolobic acid and stizolobinic acid (l), respectively. Stizolobic acid is a dlbasic U-amino acid of m.p. 231-233*, e'*" 303 rn~ (log E 3.89), with a molecular formula of CgF$N06, and its structure was presumed to be B-(3-carboxy-y1-pyron-5-yl)alanine (I) (1).

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