Citation: Duan Yun SI, Da Fang ZHONG, Wen Yi HE, Li Mei ZHAO. Structural Revision of Isovalertatins D03 and D23 Isolated from the Culture Filtrate of Streptomyces luteogriseus[J]. Chinese Chemical Letters, ;2001, 12(4): 327-330. shu

Structural Revision of Isovalertatins D03 and D23 Isolated from the Culture Filtrate of Streptomyces luteogriseus

1.
Laboratory of Drug Metabolism and Pharmacokinetics, Shenyang Pharmaceutical University, Shenyang 110015;
2.
Center of Instrumental Analysis, Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing 100050

Received Date: 25 September 2000

Fund Project: We thank Prof. Q. Xu, Hebei University of Science and Technology, for offering the sample, WC670. Deep thanks are due to Dr. A. Zeper, Institute of Materia Medica, Chinese Academy of Medical Sciences, for providing HRESIMS data. This project was financially supported by the National Natural Sciences Foundation of China (Grants 39930180 and 39625025).

Two aminooligosaccharides, isovalertatins D03 (1) and D23 (2), were isolated from the culture filtrate of Streptomyces luteogriseus. Their structures were reinvestigated and revised by spectroscopic evidences including ESI multistage mass spectrometry and 2-dimensional NMR techniques.
- Streptomyces luteogriseus,
- aminooligosaccharide,
- isovalertatin D03,
- isovalertatin D23.
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