Total synthesis and stereochemical assignment of the salicylate antitumor macrolide lobatamide C

被引:103
作者
Shen, RC
Lin, CT
Porco, JA
机构
[1] Boston Univ, Dept Chem, Boston, MA 02215 USA
[2] Boston Univ, Metcalf Ctr Sci & Engn, Ctr Streamlined Synth, Boston, MA 02215 USA
关键词
D O I
10.1021/ja026025a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The total synthesis and stereochemical assignment of the potent antitumor macrolide lobatamide C is reported. The synthesis involves Cu(I)-mediated enamide formation and Na2CO3-mediated esterification of a β-hydroxy acid and a salicylate cyanomethyl ester. Macrolactonization was accomplished using a Mitsunobu protocol. The stereochemical assignment of lobatamide C was achieved by Mosher ester analysis and comparison with prepared stereoisomers. Copyright © 2002 American Chemical Society.
引用
收藏
页码:5650 / 5651
页数:2
相关论文
共 31 条
  • [1] *AM CHEM SOC SOC N, 2001, 222 AM CHEM SOC NAT, P175
  • [2] Palladium-catalysed hydrostannylations of 1-bromoalkynes. A practical synthesis of (E)-1-stannylalk-1-enes
    Boden, CDJ
    Pattenden, G
    Ye, T
    [J]. JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1996, (20): : 2417 - 2419
  • [3] Boyd MR, 2001, J PHARMACOL EXP THER, V297, P114
  • [4] Synthesis of the C6-C16 polyene fragment of ratjadone, a potent cytotoxic metabolite from Sorangium cellulosum
    Claus, E
    Kalesse, M
    [J]. TETRAHEDRON LETTERS, 1999, 40 (22) : 4157 - 4160
  • [5] EICHER T, 1980, SYNTHESIS-STUTTGART, P814
  • [6] Salicylihalamides A and B, novel cytotoxic macrolides from the marine sponge Haliclona sp.
    Erickson, KL
    Beutler, JA
    Cardellina, JH
    Boyd, MR
    [J]. JOURNAL OF ORGANIC CHEMISTRY, 1997, 62 (23) : 8188 - 8192
  • [7] Synthetic studies on the salicylihalamides:: macrolactone formation via ring closing metathesis versus macrolactonization
    Feutrill, JT
    Holloway, GA
    Hilli, F
    Hügel, HM
    Rizzacasa, MA
    [J]. TETRAHEDRON LETTERS, 2000, 41 (44) : 8569 - 8572
  • [8] Fürstner A, 2001, CHEM-EUR J, V7, P5286, DOI 10.1002/1521-3765(20011217)7:24<5286::AID-CHEM5286>3.0.CO
  • [9] 2-G
  • [10] Synthesis of 2-Hydroxy-6-{[(16R)-beta-D-mannopyranosyloxy]heptadecyl}benzoic acid, a fungal metabolite with GABA(A) ion channel receptor inhibiting properties
    Furstner, A
    Konetzki, I
    [J]. TETRAHEDRON, 1996, 52 (48) : 15071 - 15078