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Depending on the absolute configuration of the phosphorus atom, so far widely accepted the stereoretentive mechanism of condensation is accompanied by a stereoinvertive one, most likely employing an intramolecular ligand\u2013ligand exchange in an uncharged intermediate. <jats:italic>Chirality 27:155\u2013122, 2015<\/jats:italic>. \u00a9 2014 Wiley Periodicals, Inc<\/jats:p>","DOI":"10.1002\/chir.22398","type":"journal-article","created":{"date-parts":[[2014,11,18]],"date-time":"2014-11-18T07:54:10Z","timestamp":1416297250000},"page":"115-122","source":"Crossref","is-referenced-by-count":1,"title":["Unexpected Loss of Stereoselectivity in Ring\u2010Opening Reaction of 2\u2010Alkoxy\u20102\u2010Thio\u20101,3,2\u2010Oxathiaphospholanes With a Pyrophosphate Anion"],"prefix":"10.1002","volume":"27","author":[{"given":"Piotr","family":"Guga","sequence":"first","affiliation":[{"name":"Centre of Molecular and Macromolecular Studies Polish Academy of Sciences, Department of Bioorganic 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