单词 | siphonein |
释义 | siphoneinn. Biochemistry. An ester of siphonoxanthin present in certain green algæ. ΘΚΠ the world > matter > chemistry > organic chemistry > esters > [noun] > named oxalic ether1788 margarate1819 acrylate1843 urethane1856 tropeine1880 malonic ester1881 heavy oil of wine1882 phosphatide1884 ethanoate1892 imino-ester1897 acetylcholine1906 phaeophytin1907 phytic acid1908 propiolactone1917 silicon ester1923 methyl methacrylate1933 Tylose1934 testosterone propionate1937 filicin1941 trichothecin1948 siphonein1949 acetyl coenzyme A1950 acetyl CoA1951 1949 H. H. Strain in Franck & Loomis Photosynthesis in Plants vi. 162 Siphonein. In most algae containing siphonaxanthin one finds about equivalent amounts of a spectroscopically similar carotenoid which is converted into siphonaxanthin by saponification with alcoholic potassium hydroxide. 1964 Oceanogr. & Marine Biol. 2 217 Within the Chlorophyta, the Siphonales differ from the other members in possessing siphonein and siphonoxanthin. 1969 Tetrahedron Lett. No. 59. 5141 Siphonein is an ester of siphonaxanthin characterized by the esterification of the primary hydroxyl group with a fatty acid. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). < n.1949 |
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