PubMed:15992785 JSONTXT

{"project":"sentences","denotations":[{"id":"TextSentencer_T1","span":{"begin":0,"end":111},"obj":"Sentence"},{"id":"TextSentencer_T2","span":{"begin":112,"end":250},"obj":"Sentence"},{"id":"TextSentencer_T3","span":{"begin":251,"end":376},"obj":"Sentence"},{"id":"TextSentencer_T4","span":{"begin":377,"end":460},"obj":"Sentence"},{"id":"T1","span":{"begin":0,"end":111},"obj":"Sentence"},{"id":"T2","span":{"begin":112,"end":250},"obj":"Sentence"},{"id":"T3","span":{"begin":251,"end":376},"obj":"Sentence"},{"id":"T4","span":{"begin":377,"end":460},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Regiochemistry of epoxide ring opening in methyl 2,3-anhydro-4-azido-4-deoxy-alpha- and beta-L-lyxopyranosides.\nMethyl 2,3-anhydro-4-O-methanesulfonyl-alpha-d-ribopyranoside (12) was prepared through a new six-step sequence starting from d-arabinose. Chemical behaviour of 12 was further studied under solvolytic conditions and in the presence of azide anion as a nucleophile. Factors governing the regiochemistry of epoxide ring opening are briefly discussed."}

{"project":"Anatomy-UBERON","denotations":[{"id":"T1","span":{"begin":31,"end":38},"obj":"Body_part"},{"id":"T2","span":{"begin":430,"end":437},"obj":"Body_part"}],"attributes":[{"id":"A1","pred":"uberon_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/UBERON_0004111"},{"id":"A2","pred":"uberon_id","subj":"T2","obj":"http://purl.obolibrary.org/obo/UBERON_0004111"}],"text":"Regiochemistry of epoxide ring opening in methyl 2,3-anhydro-4-azido-4-deoxy-alpha- and beta-L-lyxopyranosides.\nMethyl 2,3-anhydro-4-O-methanesulfonyl-alpha-d-ribopyranoside (12) was prepared through a new six-step sequence starting from d-arabinose. Chemical behaviour of 12 was further studied under solvolytic conditions and in the presence of azide anion as a nucleophile. Factors governing the regiochemistry of epoxide ring opening are briefly discussed."}