释义 |
pteridineenUK
pter·i·dine P5696600 (tĕr′ĭ-dēn′)n.1. A yellow crystalline compound, C6H4N2, having two fused six-member aromatic rings each containing two nitrogen atoms and four carbon atoms. One of the rings is a pyrimidine; the other is a pyrazine.2. Any of a group of organic compounds derived from this compound, including folic acid and the pigments of butterfly wings. [German Pteridin : Pter(in), pigment of insect wings (from Greek pteron, wing; see -pter) + -id, -ide + -in, -ine.]pteridine (ˈtɛrɪˌdiːn) n (Chemistry) chem a yellow, crystalline, heteroaromatic compound having a bicyclic molecular structure; any substituted derivative of this, examples of which occur naturally, esp as vitamins of the B group and insect pigments. Formula: C6H4N4
pteridineenUK
pter·i·dine (ter'i-dēn), Azinepurine; benzotetrazine; pyrazino[2,3-d]pyrimidine; a two-ring heterocyclic compound found as a component of pteroic acid and the pteroylglutamic acids (folic acids, pteropterin, etc.); simple pteridine derivatives (for example, xanthopterin, leucopterin) occur as pigments in butterfly wings, whence the name.pteridine (tĕr′ĭ-dēn′)n.1. A yellow crystalline compound, C6H4N2, having two fused six-member aromatic rings each containing two nitrogen atoms and four carbon atoms. One of the rings is a pyrimidine; the other is a pyrazine.2. Any of a group of organic compounds derived from this compound, including folic acid and the pigments of butterfly wings. |