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来自甲基营养型细菌荚膜甲基球菌和甲烷甲基单胞菌的新型藿烷类化合物。(22S)-35-氨基细菌藿烷-30,31,32,33,34-戊醇和(22S)-35-氨基-3β-甲基细菌藿烷-30,31,32,33,34-戊醇。

Novel hopanoids from the methylotrophic bacteria Methylococcus capsulatus and Methylomonas methanica. (22S)-35-aminobacteriohopane-30,31,32,33,34-pentol and (22S)-35-amino-3 beta-methylbacteriohopane-30,31,32,33,34-pentol.

作者信息

Neunlist S, Rohmer M

出版信息

Biochem J. 1985 Nov 1;231(3):635-9. doi: 10.1042/bj2310635.

Abstract

The major hopanoid of the methylotrophic bacteria Methylococcus capsulatus and Methylomonas methanica was identified by spectroscopic methods as (22S)-35-aminobacteriohopane-30,31,32,33,34-pentol. Minor companions were, in both bacteria, 35-aminobacteriohopane-31,32,33,34-tetrol and in Methylomonas methanica, 35-aminobacteriohopane-32,33,34-triol. In Methylococcus capsulatus the aminopentol and the aminotetrol were accompanied by their homologues possessing an extra methyl group at C-3. Bacterial hopanoids with a functionalized C-30 carbon atom such as these two new aminopentols are possible precursors of widespread C29 hopanoid chemical fossils.

摘要

通过光谱方法鉴定,甲基营养型细菌荚膜甲基球菌和甲烷甲基单胞菌的主要藿烷类化合物为(22S)-35-氨基细菌藿烷-30,31,32,33,34-戊醇。在这两种细菌中,次要伴生化合物为35-氨基细菌藿烷-31,32,33,34-丁醇,在甲烷甲基单胞菌中还有35-氨基细菌藿烷-32,33,34-丙醇。在荚膜甲基球菌中,氨基戊醇和氨基丁醇伴有在C-3位具有一个额外甲基的同系物。像这两种新的氨基戊醇这样具有官能化C-30碳原子的细菌藿烷类化合物可能是广泛存在的C29藿烷类化学化石的前体。

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