Sulfonation of Betulinic Acid by Sulfamic Acid
Betulinic acid was sulfonated by sulfamic acid in the presence of urea in homogeneous 1,4-dioxane or DMF solution at 65–75°C in 2.5–3.5 h to give betulinic acid 3-sulfate, the structure of which was confirmed by IR and 13 C NMR spectroscopy.
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| Veröffentlicht in: | Chemistry of natural compounds 2015-09, Vol.51 (5), p.894-896 |
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| container_issue | 5 |
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| container_title | Chemistry of natural compounds |
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| creator | Levdanskii, V. A. Levdanskii, A. V. Kuznetsov, B. N. |
| description | Betulinic acid was sulfonated by sulfamic acid in the presence of urea in homogeneous 1,4-dioxane or DMF solution at 65–75°C in 2.5–3.5 h to give betulinic acid 3-sulfate, the structure of which was confirmed by IR and
13
C NMR spectroscopy. |
| doi_str_mv | 10.1007/s10600-015-1442-1 |
| format | Article |
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13
C NMR spectroscopy.</description><identifier>ISSN: 0009-3130</identifier><identifier>EISSN: 1573-8388</identifier><identifier>DOI: 10.1007/s10600-015-1442-1</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Dimethylformamide ; Dioxane ; Medicine ; Nuclear magnetic resonance spectroscopy ; Organic Chemistry ; Pharmacy ; Plant Sciences ; Sulfates</subject><ispartof>Chemistry of natural compounds, 2015-09, Vol.51 (5), p.894-896</ispartof><rights>Springer Science+Business Media New York 2015</rights><rights>COPYRIGHT 2015 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c361t-ce8707def105c132c2dc8742342197e819fccbb381d045ae9081ad5bf5ead0333</citedby><cites>FETCH-LOGICAL-c361t-ce8707def105c132c2dc8742342197e819fccbb381d045ae9081ad5bf5ead0333</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10600-015-1442-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10600-015-1442-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Levdanskii, V. A.</creatorcontrib><creatorcontrib>Levdanskii, A. V.</creatorcontrib><creatorcontrib>Kuznetsov, B. N.</creatorcontrib><title>Sulfonation of Betulinic Acid by Sulfamic Acid</title><title>Chemistry of natural compounds</title><addtitle>Chem Nat Compd</addtitle><description>Betulinic acid was sulfonated by sulfamic acid in the presence of urea in homogeneous 1,4-dioxane or DMF solution at 65–75°C in 2.5–3.5 h to give betulinic acid 3-sulfate, the structure of which was confirmed by IR and
13
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13
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| subjects | Dimethylformamide Dioxane Medicine Nuclear magnetic resonance spectroscopy Organic Chemistry Pharmacy Plant Sciences Sulfates |
| title | Sulfonation of Betulinic Acid by Sulfamic Acid |
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