Arisostatins A and B, new members of tetrocarcin class of antibiotics from Micromonospora sp TP-A0316 -: II.: Structure determination

被引:36
作者
Igarashi, Y [1 ]
Takagi, K
Kan, Y
Fujii, K
Harada, K
Furumai, T
Oki, T
机构
[1] Toyama Prefectural Univ, Biotechnol Res Ctr, Toyama 9390398, Japan
[2] Suntory Inst Bioorgan Res, Osaka 6180024, Japan
[3] Meijo Univ, Fac Pharm, Tempa Ku, Nagoya, Aichi 4688503, Japan
[4] Tamagawa Univ, Tokyo 1948610, Japan
关键词
D O I
10.7164/antibiotics.53.233
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Structures of arisostatins A and B were determined by spectroscopic analyses. Arisostatins were found to be new analogs of tetrocarcin A and possess an iso-butanoyldigitoxose unit instead of the acetyldigitoxose one. NMR analyses of arisostatins and tetrocarcin A led to the revision of the anomeric configurations in the tetrasaccharide moiety of tetrocarcin A.
引用
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页码:233 / 240
页数:8
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