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Improved preparation of (1S,3′R,4′S,5′S,6′R)-5-chloro-6-[(4-ethylphenyl)methyl]-3′,4′,5′,6′-tetrahydro-6′-(hydroxymethyl)-spiro[isobenzofuran-1(3H),2′-[2H]pyran]-3′,4′,5′-triol

✍ Scribed by Liu, Yong-Hai; Fu, Ting-Ming; Ou, Chun-Yan; Fan, Wen-Ling; Peng, Guo-Ping


Book ID
121769844
Publisher
Chinese Electronic Periodical Services
Year
2013
Tongue
English
Weight
229 KB
Volume
24
Category
Article
ISSN
1001-8417

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✍ Burton, Sylvester ;Fronczek, Frank R. ;Maverick, Andrew W. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 142 KB

In the title compound, C 12 H 18 O 5 , the ring has a chair conformation, with endocyclic torsion angle magnitudes in the range 47.7 (3)-66.7 (2) . The OH group donates an intermolecular hydrogen bond to a C O group with an OÁ Á ÁO distance of 2.791 (3) A ˚, forming chains. organic papers o2662 Burt