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6-叠氮基-6-脱氧-α-L-半乳糖（6-叠氮基-L-岩藻糖）一水合物。

6-Azido-6-de-oxy-α-l-galactose (6-azido-l-fucose) monohydrate.

作者信息

Booth K Victoria, Jenkinson Sarah F, Rao Devendar, Simonisi Tsuyosi, Fleet George W J, Izumori Ken, Watkin David J

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2008 Jul 23;64(Pt 8):o1568-9. doi: 10.1107/S1600536808022563.

DOI:10.1107/S1600536808022563
PMID:21203271
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2962088/
Abstract

Although 6-azido-6-de-oxy-l-galactose in aqueous solution is in equilibrium between the open-chain, furan-ose and pyran-ose forms, it crystallizes solely as 6-azido-6-de-oxy-α-l-galactopyran-ose monohydrate, C(6)H(11)N(3)O(5)·H(2)O, with the six-membered ring adopting a chair conformation. The structure exists as hydrogen-bonded chains, with each mol-ecule acting as a donor and acceptor of five hydrogen bonds. There are no unusual crystal packing features and the absolute configuration was determined from the use of 1-azido-1-de-oxy-d-galactitol as the starting material.

摘要

尽管6-叠氮基-6-脱氧-L-半乳糖在水溶液中处于开链、呋喃糖和吡喃糖形式的平衡状态，但它仅结晶为6-叠氮基-6-脱氧-α-L-吡喃半乳糖一水合物，化学式为C(6)H(11)N(3)O(5)·H(2)O，其中六元环呈椅式构象。该结构以氢键链的形式存在，每个分子作为五个氢键的供体和受体。没有异常的晶体堆积特征，并且绝对构型是通过使用1-叠氮基-1-脱氧-D-半乳糖醇作为起始原料确定的。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3c3/2962088/0b2d1535042b/e-64-o1568-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3c3/2962088/32bbca4a9144/e-64-o1568-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3c3/2962088/27c5e1d20f9c/e-64-o1568-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3c3/2962088/0b2d1535042b/e-64-o1568-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3c3/2962088/32bbca4a9144/e-64-o1568-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3c3/2962088/27c5e1d20f9c/e-64-o1568-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3c3/2962088/0b2d1535042b/e-64-o1568-fig3.jpg

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The growing impact of click chemistry on drug discovery.点击化学对药物发现的影响日益增大。
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Bioproduction strategies for rare hexose sugars.稀有己糖的生物生产策略。
Naturwissenschaften. 2002 Mar;89(3):120-4. doi: 10.1007/s00114-002-0297-z.
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What is the best crystal size for collection of X-ray data? Refinement of the structure of glycyl-L-serine based on data from a very large crystal.
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