| 单词 |
pteridine |
| 释义 |
pteridine Chem.|ˈtɛrɪdiːn|
Also † -in.
[ad. G. pteridin (C. Schöpf et al. 1941, in Ann. d. Chem. DXLVIII. 83): see pterin and -idine.]
A synthetic yellow crystalline solid, C6H4N4, which has a bicyclic structure formed from fused pyrazine and pyrimidine rings; any derivative of this, many examples of which occur naturally, esp. as insect pigments and vitamins of the B group.
1943Brit. Chem. & Physiol. Abstr. A. ii. 281 The structure of leucopterin..as 2-imino-6:8:9-trihydroxy⁓pteridine is confirmed. This and similar CO compounds are named as (enolic) OH-derivatives of pteridine. 1948Nature 2 Oct. 524/2 Reaction of the diaminopyrimidine in aqueous solution with glyoxal bisulphite gives pteridine which crystallizes from alcohol in pale yellow plates, m.p. 140°. 1951Jrnl. Chem. Soc. 474 All natural pteridines have at least one amino- and one hydroxy-substituent. 1962[see drosophila]. 1968L. A. Paquette Princ. Mod. Heterocyclic Chem. xi. 384 Another vitamin of the B group, B2 or riboflavin.., also contains the basic pteridine ring system. |
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