start-ver=1.4 cd-journal=joma no-vol=74 cd-vols= no-issue=1 article-no= start-page=983 end-page=989 dt-received= dt-revised= dt-accepted= dt-pub-year=2007 dt-pub=20071231 dt-online= en-article= kn-article= en-subject= kn-subject= en-title= kn-title=An Efficient, One-Pot Synthesis of Fosfomycin Dialkyl Esters from (R)-2-Tosyloxypropanal en-subtitle= kn-subtitle= en-abstract= kn-abstract=(R)-2-Tosyloxypropanal (4) was prepared from D-mannitol in a 7-step sequence (51% overall yield). Addition of dialkyl phosphonates to 4 in the presence of titanium isopropoxide and the subsequent treatment with DBU stereoselectively afforded, in one-pot, fosfomycin dimethyl (5a) and dibenzyl (5b) esters both in 58% isolated yield. en-copyright= kn-copyright= en-aut-name=HanayaTadashi en-aut-sei=Hanaya en-aut-mei=Tadashi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=1 ORCID= en-aut-name=NakamuraYuichi en-aut-sei=Nakamura en-aut-mei=Yuichi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=2 ORCID= en-aut-name=YamamotoHiroshi en-aut-sei=Yamamoto en-aut-mei=Hiroshi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=3 ORCID= affil-num=1 en-affil= kn-affil=Department of Chemistry, Faculty of Science, Okayama University affil-num=2 en-affil= kn-affil=Department of Chemistry, Faculty of Science, Okayama University affil-num=3 en-affil= kn-affil=Department of Chemistry, Faculty of Science, Okayama University en-keyword=Fosfomycin kn-keyword=Fosfomycin en-keyword=Epoxidation kn-keyword=Epoxidation en-keyword=C-P Bond Formation kn-keyword=C-P Bond Formation en-keyword=Phosphonate Addition kn-keyword=Phosphonate Addition en-keyword=Diastereoselectivity kn-keyword=Diastereoselectivity END