4432-93-3Relevant academic research and scientific papers
Anthraquinone glycosides from marine Streptomyces sp. strain
Lu, Yuanyuan,Xing, Yingying,Chen, Chen,Lu, Jiansheng,Ma, Yihua,Xi, Tao
body text, p. 459 - 462 (2012/10/08)
Two new anthraquinone glycosides Strepnoneside A (1) and Strepnoneside B (2), together with Chromomycin A3 (3), were isolated from cultures of the marine Streptomyces sp. strain. The structures were elucidated on the basis of NMR spectroscopic and mass spectrometry data. Compound 3 exhibited cytotoxic activities against HCT 116 cell lines (IC50 = 300 ± 11 pM).
SILYL NITRONATES AND NITRILE OXIDES IN ORGANIC SYNTHESIS. A NOVEL ROUTE TO D,L-DEOXYSUGARS. USE OF ALUMINIUM OXIDE AS SOLID PHASE BASE FOR GENERATION OF NITRILE OXIDES FROM HYDROXIMIC ACID CHLORIDES
Torssell, K. B. G.,Hazell, A. C.,Hazell, R. G.
, p. 5569 - 5576 (2007/10/02)
Novel methodology is developed for a three step synthesis of deoxyaldoses and deoxyketoses. 1.Regioselective addition of silyl nitronate or nitrile oxide to a diene. 2.Stereospecific hydroxylation of the double bond. 3.Unmasking of the aldol moiety by catalytic reduction of the 2-isoxazoline.The syntheses of D.L-deoxyribose, D,L-oleose, D,L-digitoxose, D,L-2-deoxygalactose, 1,3-dideoxyfructose, 3-deoxyfructose etc. are described.Basic aluminium oxide is introduced as a solid phase base for the one step synthesis of 2-isoxazolines from aldoximes and olefins.An X-ray diffraction study of compound 13c verifies the stereochemical assignments.
