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Volumn 6, Issue 4, 2004, Pages 633-636

A New Cucurbitacin D Related 16,23-Epoxy Derivative and Its Isomerization Products

Author keywords

[No Author keywords available]

Indexed keywords

CUCURBITACIN DERIVATIVE; ECBALLIUM ELATERIUM EXTRACT; EPOXIDE; PLANT EXTRACT; UNCLASSIFIED DRUG;

EID: 1342311455     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol036469r     Document Type: Article
Times cited : (23)

References (32)
  • 18
    • 1342284605 scopus 로고    scopus 로고
    • note
    • 2O). Compound 1, 2, coeluting in the analytical HPLC, and 4 were separated by HSCCC yielding pure compound 1 (6 mg) and a mixture of compounds 2 and 4 (37 mg, >95% 2). Compound 3 was further purified by preparative HPLC (3 mg) from another HSCCC fraction.
  • 19
    • 1342305781 scopus 로고    scopus 로고
    • note
    • (b) HPLC: HP 1100 liquid Chromatograph (stationary phase, Zorbax SB-C-18 (150 x 4.6 mm, 3.5 μm); mobile phase, solvent A water, solvent B acetonitril; gradient O min 80% A, 22 min 60% A, 40 min 20% A) equipped with a diode array detector (detection at 200, 230, and 267 nm) and operating at room temperature.
  • 20
    • 1342263286 scopus 로고    scopus 로고
    • note
    • (c) HPLC-MS: coupling of the HPLC system described above to a Bruker Esqire 3000plus (ion source ESI, negative mode; spray voltage 4500 V; nebulizer gas N2, 40 psi; dry gas N2, 10 L/min, 350°C). The HPLC setup was equal to the HPLC-DAD method, only solvent A was replaced by 0.15% acetic acid.
  • 21
    • 1342263288 scopus 로고    scopus 로고
    • note
    • 3 solution at 300 K. All signals were unambiguously assigned by using 2D correlation data (DQF-COSY, HSQC, HMBC, ROESY).
  • 26
    • 1342263290 scopus 로고    scopus 로고
    • note
    • 2-22 with H-23.
  • 31
    • 1342263289 scopus 로고    scopus 로고
    • note
    • 3-27.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.