{"id":1903,"date":"2023-05-26T10:57:42","date_gmt":"2023-05-26T02:57:42","guid":{"rendered":"https:\/\/app.lemaidi888.com\/?p=1903"},"modified":"2023-05-26T10:57:42","modified_gmt":"2023-05-26T02:57:42","slug":"%e5%88%a9%e7%a6%8f%e9%9c%89%e7%b4%a0s-13553-79-2-%e7%91%9e%e5%a8%81%e5%b0%94%e7%94%9f%e7%89%a9%e7%a7%91%e6%8a%80","status":"publish","type":"post","link":"https:\/\/app.lemaidi888.com\/?p=1903","title":{"rendered":"\u5229\u798f\u9709\u7d20S | 13553-79-2 | \u745e\u5a01\u5c14\u751f\u7269\u79d1\u6280"},"content":{"rendered":"\n<figure class=\"wp-block-table\"><table><tbody><tr><td colspan=\"4\">\u4e2d\u6587\u540d\u5229\u798f\u9709\u7d20S<br>\u4e2d\u6587\u540c\u4e49\u5229\u798f\u9709\u7d20 S;\u5229\u798f\u9709\u7d20;2,7-(\u73af\u6c27\u5341\u4e94\u78b3\u73af[1,11,13]\u4e09\u70ef\u4e9a\u6c28\u57fa)\u8418\u5e76[2,1-B]\u544b\u5583-1,6,9,11(2H)-\u56db\u916e,5,17,19,21-\u56db\u7f9f\u57fa-23- \u7532\u6c27\u57fa-2,4,12,16,18,20,22-\u4e03\u7532\u57fa-,21-\u4e59\u9178\u916f;\u5229\u798f\u9709\u7d20\u94a0EP\u6742\u8d28E;\u5229\u798f\u6614\u660e\u6742\u8d28E (EP\/BP);\u5229\u798f\u9709\u7d20-D4;\u5229\u798f\u5e73\u9709\u7d20;\u5229\u798f\u9709\u7d20S\u82f1\u6587\u540dRifamycin S\u82f1\u6587\u540c\u4e491,4-dideoxy-1,4-dihydro-1,4-dioxo-rifamycin;2,7-(epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-1,6,9,11(2h)-tetron;4-dideoxy-1,4-dihydro-1,4-dioxo-rifamycin;RIFAMPICIN S;RIFAMYCIN S;Rifaximin EP Impurity E (Rifamycin S);2,7-(Epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-1,6,9,11(2H)-tetrone, 5,17,19,21-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-, 21-acetate (7CI,8CI);Rifamycin EP Impurity B<br>CAS<strong>13553-79-2<\/strong><br>\u5206\u5b50\u5f0fC37H45NO12<br>\u5206\u5b50\u91cf695.75<br>EINECS236-938-4<br>\u7ed3\u6784\u5f0f<img decoding=\"async\" src=\"https:\/\/upload.ruiweier.cn\/images\/cas\/13553-79-2.gif\" alt=\"\u5229\u798f\u9709\u7d20S\"><br>\u6027\u8d28\u7194\u70b9179-181\u00b0C (dec.)<br>\u6bd4\u65cb\u5149\u5ea6D20 +476\u00b0 (c = 0.1 in methanol)<br>\u6cb8\u70b9700.89\u00b0C (rough estimate)<br>\u5bc6\u5ea61.2387 (rough estimate)<br>\u6298\u5c04\u73871.6630 (estimate)<br>\u5f62\u6001neat<br>\u9178\u5ea6\u7cfb\u6570(pKa)3.85\u00b10.70(Predicted)<br>\u6700\u5927\u6ce2\u957f(\u03bbmax)390nm(MeOH)(lit.)Merck14,8217InChIKeyBTVYFIMKUHNOBZ-ODRIEIDWSA-N<\/td><\/tr><tr><td><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u4e2d\u6587\u540d\u5229\u798f\u9709\u7d20S\u4e2d\u6587\u540c\u4e49\u5229\u798f\u9709\u7d20 S;\u5229\u798f\u9709\u7d20;2,7-(\u73af\u6c27\u5341\u4e94\u78b3\u73af[1,11,13]\u4e09\u70ef\u4e9a\u6c28\u57fa)\u8418\u5e76[2, [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1903","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/1903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1903"}],"version-history":[{"count":1,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/1903\/revisions"}],"predecessor-version":[{"id":1904,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/1903\/revisions\/1904"}],"wp:attachment":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}