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The structurally unique pentasaccharide possesses three successive1,2-cis-glycosidic linkages and ddD-Fucp3NAc as a rare-sugar. The protected pentasaccharide was synthesized using a highly stereoselective (4 + 1) block glycosylation strategy. The ddD-Fucp3N3 monosaccharide donor was synthesized efficiently on a gram scale from easily available d-glucose. The linker-appended pentasaccharide repeating unit offers a compelling opportunity for further preparation of glycoconjugates and for immunological investigations.<\/jats:p>","DOI":"10.1021\/acs.joc.6c01290","type":"journal-article","created":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T07:02:04Z","timestamp":1786431724000},"page":"11453-11463","source":"Crossref","is-referenced-by-count":0,"title":["Total Synthesis of\n                    <scp>D<\/scp>\n                    -Fuc\n                    <i>p<\/i>\n                    3NAc Containing Conjugation-Ready\nPentasaccharide Repeating Unit\nRelated to\n                    <i>Acinetobacter baumannii<\/i>\n                    RCH51"],"prefix":"10.1021","volume":"91","author":[{"given":"Mrinmoy Manash","family":"Bharali","sequence":"first","affiliation":[{"name":"CSIR-Indian Institute of Chemical Technology , , Uppal Road , ,","place":["Hyderabad, India, 500007"]},{"name":"Academy of Scientific and Innovative Research (AcSIR) , ,","place":["Ghaziabad, India, 201002"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5620-629X","authenticated-orcid":true,"given":"Abhishek","family":"Santra","sequence":"additional","affiliation":[{"name":"CSIR-Indian Institute of Chemical Technology , , Uppal Road , ,","place":["Hyderabad, India, 500007"]},{"name":"Academy of Scientific and Innovative Research (AcSIR) , ,","place":["Ghaziabad, India, 201002"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,8,11]]},"reference":[{"issue":"1","key":"2026082211143176100_cit1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1155\/2016\/2475067","article-title":"Mechanisms of Antimicrobial Resistance in ESKAPE Pathogens","volume":"2016","author":"Santajit","year":"2016","journal-title":"BioMed Res. 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