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作为生色糖苷酶底物的1,2-吲哚氧基半乳糖苷的合成。

Synthesis of a 1,2--indoxyl galactoside as a chromogenic glycosidase substrate.

作者信息

Nagata Sakuto, Tomida Hirotaka, Iwai-Hirose Haruka, Tanaka Hide-Nori, Ando Hiromune, Imamura Akihiro, Ishida Hideharu

机构信息

Department of Applied Bioorganic Chemistry, Gifu University 1-1 Yanagido Gifu 501-1193 Japan

The United Graduate School of Agricultural Science, Gifu University 1-1 Yanagido Gifu 501-1193 Japan.

出版信息

RSC Adv. 2019 Sep 9;9(48):28241-28247. doi: 10.1039/c9ra05797h. eCollection 2019 Sep 3.

DOI:10.1039/c9ra05797h
PMID:35530445
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9071174/
Abstract

A synthetically challenging 1,2--indoxyl galactoside, X-α-galactoside, was first prepared in this study using a cyclic ketone indoxyl acceptor and a glycosyl trichloroacetimidate donor to produce an enol glycoside and a 4,6--di--butylsilylene-protected galactosyl donor to complete the synthesis. The target compound shows enzyme activity in the presence of α-galactosidase.

摘要

在本研究中,首先使用环状酮吲哚酚受体和糖基三氯乙酰亚胺酯供体合成了具有合成挑战性的1,2-吲哚酚半乳糖苷(X-α-半乳糖苷),以生成烯醇糖苷,然后使用4,6-二丁基亚甲硅烷基保护的半乳糖基供体完成合成。目标化合物在α-半乳糖苷酶存在下显示出酶活性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/0834c3f15105/c9ra05797h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/9d6cdb9756da/c9ra05797h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/32bfe2ef428e/c9ra05797h-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/a69395e79c1f/c9ra05797h-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/e05a327d2c11/c9ra05797h-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/9b55c7cc140a/c9ra05797h-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/4dc5542d1132/c9ra05797h-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/0834c3f15105/c9ra05797h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/9d6cdb9756da/c9ra05797h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/32bfe2ef428e/c9ra05797h-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/a69395e79c1f/c9ra05797h-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/e05a327d2c11/c9ra05797h-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/9b55c7cc140a/c9ra05797h-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/4dc5542d1132/c9ra05797h-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/edb2/9071174/0834c3f15105/c9ra05797h-f4.jpg

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Org Lett. 2018 Sep 7;20(17):5186-5189. doi: 10.1021/acs.orglett.8b02126. Epub 2018 Aug 24.
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Synthesis of precipitating chromogenic/fluorogenic β-glucosidase/β-galactosidase substrates by a new method and their application in the visual detection of foodborne pathogenic bacteria.一种新方法合成沉淀型显色/荧光β-葡萄糖苷酶/β-半乳糖苷酶底物及其在食源致病菌可视化检测中的应用
Chem Commun (Camb). 2016 Dec 20;53(1):103-106. doi: 10.1039/c6cc07522c.
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The Origin of High Stereoselectivity in Di-tert-butylsilylene-Directed α-Galactosylation.
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