化學名稱 岩大戟內酯A
外觀 無色針晶
化學物質登錄號 37905-07-0
分子式
分子量 314.42
植物來源
鑑定 熔點 237-238°C
旋光度 [α]25D+130 (c, 0.7 氯仿)
UV
IR
ESI-MS
1HNMR
13CNMR
分析方法
儀器 Agilent-1200 UPLC 系統 (Agilent Corp., USA)
色譜柱 Agilent ZORBAX SB-C18 色譜柱 (3.0 mm × 100 mm, I.D., 5 μm)
流動相 A: 乙腈 ACN, B: 0.1% 甲酸水, 0-20 min 30-65% B, 20-30 min 65-75% B, 30-35 min 75-85% B, 35-60 min 85% B, 60-63 min 等度 30% B. 0.4 mL/min, 20°C
檢測器 Agilent 6538 UHD Accurate-Mass Q-TOF/MS 質譜儀 (Agilent Corp., USA)配備ESI 接口, m/z 50-1700 正離子模式, 10 L/min; 乾燥氣: 350°C ; 霧化氣: 40 psig, 毛細管電壓: 4000 V; 碎片電壓: 175 V; 撇渣器電壓: 65 V; 八極RF: 750 V
參考文獻
[1] Uemura, D. and Y. Hirata (1972). "Two new diterpenoids, jolkinolides A and B, obtained from euphorbia jolkini boiss. (Euphorbiaceae)." Tetrahedron Letters 13(15): 1387-1390.
[2] Wang, C.-J., et al. (2013). "Characterization of phloroglucinol derivatives and diterpenes in Euphorbia ebracteolata Hayata by utilizing ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry." Journal of Pharmaceutical Analysis 3(4): 292-297.

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