{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,19]],"date-time":"2025-06-19T13:25:23Z","timestamp":1750339523622},"reference-count":27,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2013,11,26]],"date-time":"2013-11-26T00:00:00Z","timestamp":1385424000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Chirality"],"published-print":{"date-parts":[[2014,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>The absolute configurations of four resorcylic acid lactones (RALs), paecilomycins J\u2009\u2212\u2009M (<jats:bold>1<\/jats:bold>\u2009\u2212\u2009<jats:bold>3<\/jats:bold> and <jats:bold>5<\/jats:bold>), were assigned by Time\u2010Dependent Density\u2010Functional Theory (TDDFT) calculations of their electronic circular dichroism (CD) spectra. The previously reported structure\u2009<jats:bold>4<\/jats:bold> for paecilomycin M was found to be incorrect and should be changed to structure\u2009<jats:bold>5<\/jats:bold>. Analysis of structure\u2010spectrum relationship for this group of RALs suggested that V\u2032\u2010shape conformations give type I CD spectra (two negative Cotton effects around 300 and 260\u2009nm, a positive Cotton effect around 220\u2009nm) while V\u2010shape conformations yield type II spectra (signs of three Cotton effects were opposite to those in type I). <jats:italic>Chirality 26:44\u201350, 2013<\/jats:italic>. \u00a9 2013 Wiley Periodicals, Inc.<\/jats:p>","DOI":"10.1002\/chir.22264","type":"journal-article","created":{"date-parts":[[2013,11,26]],"date-time":"2013-11-26T11:39:29Z","timestamp":1385465969000},"page":"44-50","source":"Crossref","is-referenced-by-count":9,"title":["Absolute Configurations of Four Resorcylic Acid Lactones, Paecilomycins J\u2009\u2212\u2009M, by CD\/TDDFT Calculations"],"prefix":"10.1002","volume":"26","author":[{"given":"Liang\u2010Xiong","family":"Xu","sequence":"first","affiliation":[{"name":"Key Laboratory of Plant Resources Conservation and 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