Isomerization of Dimeric 2,9-Disubstituted1-Oxaquinolizidine Alkaloids and Structural Revision of Araguspongines B and E, Isolated from a Marine Sponge of Xestospongia Sp.
摘要:
Isomerization reaction of araguspongines B (1), D (2), and E (3) having dimeric 2,9-disubstituted 1-oxaquinolizidine moiety was studied in detail. Conformational aspects of 1, 2, and 3 were also analyzed on the basis of NMR and X-ray crystallographic analysis. The C-9 stereochemistry of 1 and 3 was revised.
Hoye, Thomas R.; Ye, Zhixiong; Yao, Letitia J., Journal of the American Chemical Society, 1996, vol. 118, # 48, p. 12074 - 12081
作者:Hoye, Thomas R.、Ye, Zhixiong、Yao, Letitia J.、North, Jeffrey T.
DOI:——
日期:——
USE OF XESTOSPONGIN C FOR TREATING OR PREVENTING HIV INFECTION
申请人:Contrimmune Biotechnology Inc.
公开号:EP1331932B1
公开(公告)日:2007-04-04
Biomimetic Synthesis of (−)-Xestospongin A, (+)-Xestospongin C, (+)-Araguspongine B and the Correction of Their Absolute Configurations
作者:Jack E. Baldwin、Artem Melman、Victor Lee、Catherine R. Firkin、Roger C. Whitehead
DOI:10.1021/ja980765v
日期:1998.8.1
Isomerization of Dimeric 2,9-Disubstituted1-Oxaquinolizidine Alkaloids and Structural Revision of Araguspongines B and E, Isolated from a Marine Sponge of Xestospongia Sp.
Isomerization reaction of araguspongines B (1), D (2), and E (3) having dimeric 2,9-disubstituted 1-oxaquinolizidine moiety was studied in detail. Conformational aspects of 1, 2, and 3 were also analyzed on the basis of NMR and X-ray crystallographic analysis. The C-9 stereochemistry of 1 and 3 was revised.