| 释义 |
echitamine Chem.|ɛˈkɪtəmɪn|
[ad. G. echitamin (O. Hesse 1878, in Ber. d. Deut. Chem. Ges. XI. 1548), f. mod.L. echītēs generic plant-name + amine.]
An alkaloid found in the bark of Echites scholaris and other species of Echites. So echiˈtamidine, eˈchiteine, eˈchitenine, ˈechitine (see quots.).
1876Jrnl. Chem. Soc. XXIX. 277 Echitein crystallizes from hot strong alcohol in light needles. Ibid., Echitin, C32H52O2, forms white scales. 1879Ibid. XXXVI. 71 Dita bark (the bark of Alstonia scholaris or Echites scholaris) contains two alkaloïds, ditamine and echitamine. 1881Ibid. XL. 185 The action of hydrochloric acid on echitamine hydrochloride. 1886Buck's Handbk. Med. Sci. II. 519/2 Three alkaloids, ditamine, echitamine, and echitenine. 1906Watts' Dict. Chem. II. 413/1 Echitin..accompanies echicerin, from which it differs in being less soluble in ligroïn. 1932Jrnl. Chem. Soc. ii. 2626 (title) Echitamine in Alstonia Barks. Barks of various species of Alstonia have been examined in the hope of finding a source of echitamine richer in that alkaloid than is the bark of A. congensis. Ibid., A new crystalline alkaloid, C20H26O3N2, which it is proposed to call echitamidine, has been obtained..from the mother-liquors from echitamine hydrochloride. |