315-22-0CC1C(=O)OC2CCN3CC=C(COC(=O)C(C)(O)C1(C)O)C23QVCMHGGNRFRMAD-UHFFFAOYSA-NLSM-36888 is a member of pyrrolizines.
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개요A hepatotoxic alkaloid of the pyrrolizidine group obtained from Crotalaria retusa and C. spectabilis, the base is laevorotatory with [α]26D - 55.7° (CHCI3). It may be characterized as the hydrochloride, m.p. 184°C ldec.); [α]28D - 38.4° (H20) and the methiodide which crystallizes from MeOH with 3 moles of solvent, m.p. 205°C (dry, dec.); [α]28D + 23.4° (MeOH). Hydrolysis with boiling Ba(OHh furnishes retronecine and monocrotic acid, C7H120 3, b.p. 145-6°C/ 18 mm which is optically inactive. This acid yields a methyl ester, b.p. 94-6°Cj 18 mm, a p-bromophenacyl ester, m.p. 78°C and a 2:4-dinitrophenylhydrazone, m.p. 95-6°C. Hydrogenation in the presence of Pt02 as catalyst yields retro_x0002_necanol and monocrotalic acid, CSH120S' m.p. 181-2°C; [α]28D - 5.33° (H20) which gives a methyl ester, m.p. 79-800 C; [α]30D - 16.2° (EtOH) and a pbromophenacyl ester, m.p. 162-3°C.
역사In 1935, W.M. Neil and L.L. Russoff isolated monocrotaline from Crotalaria sessiliflora L.Monocrotaline showed anticancer activity invivo, especially for treating squamous cell carcinoma, cervical cancer, and leukemia. However, since many pyrrolizidine alkaloid compounds have hepatotoxicity, further development of these compounds is restricted.China began the research of monocrotaline, as early as 1943. Crotalaria sessiliflora L. was also recorded in the 1977 edition of the Pharmacopoeia of the People’s Republic of China. But monocrotaline was reported for its liver toxicity; teratogenic, allergic reactions; and other side effects, limiting its further clinical applications. In 1992, the Ministry of Health stopped the clinical application of monocrotaline injection. Further pharmacology study is essential for monocrotaline .
용도A toxic pyrrolizidine alkaloid isolated from Crotalaria spp. It is used for inducing pulmonary diseases in rats.
일반 설명This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG
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315-22-0DTXSID20859330CHEMBL2134902CHEBI:125403White to light tan powder