O-Methyl cyclolaudenol

被引:3
作者
Hussain, Nisar [2 ]
Habib-ur-Rehman [2 ]
Parvez, Masood [1 ]
机构
[1] Univ Calgary, Dept Chem, Calgary, AB T2N 1N4, Canada
[2] Univ Azad Jammu & Kashmir, Dept Chem, Muzaffarabad 13100, Pakistan
来源
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2009年 / 65卷
关键词
D O I
10.1107/S1600536809016031
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The title compound (systematic name: 3-methoxy-24-methyl-9,19-cyclolanost-25-ene), C32H54O, is a triterpenoid which has been isolated from Skimmia laureola. The three six-membered rings adopt chair, slightly distorted half-chair and distorted boat conformations, and the five-membered ring adopts an envelope conformation. All the rings are trans fused.
引用
收藏
页码:O1202 / U1140
页数:12
相关论文
共 10 条
  • [1] The Cambridge Structural Database: a quarter of a million crystal structures and rising
    Allen, FH
    [J]. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE, 2002, 58 (3 PART 1): : 380 - 388
  • [2] [Anonymous], APEX2 SAINT XPREP SA
  • [3] Triterpene and coumarins from Skimmia laureola
    Atta-ur-Rahman
    Sultana, N
    Khan, MR
    Choudhary, MI
    [J]. NATURAL PRODUCT LETTERS, 2002, 16 (05): : 305 - 313
  • [4] BUKINGHAM J, 1982, DICT ORGANIC COMPOUN, P185
  • [5] GENERAL DEFINITION OF RING PUCKERING COORDINATES
    CREMER, D
    POPLE, JA
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1975, 97 (06) : 1354 - 1358
  • [6] THE STRUCTURE OF 24-METHYLENE-9,19-CYCLOLANOSTAN-3-BETA-YL ACETATE
    DHANESHWAR, NN
    PURANIK, VG
    TAVALE, SS
    ROW, TNG
    BHAT, VS
    JOSHI, VS
    [J]. ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 1986, 42 : 595 - 597
  • [7] Cimigenol-3-O-β-D-xylopranoside methanol solvate
    Fan, Yunshuang
    Jia, Wei
    Takaishi, Yoshihisa
    Duan, Hong-Quan
    [J]. ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS, 2006, 62 : O4884 - O4886
  • [8] Farrujia LJ., 1997, J APPL CRYSTALLOGR, V30, P565, DOI [10.1107/S0021889897003117, DOI 10.1107/S0021889897003117]
  • [9] POLUNIN O, 1984, FLOWERS HIMALAYAS, P432
  • [10] A short history of SHELX
    Sheldrick, George M.
    [J]. ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES, 2008, 64 : 112 - 122