CORD-19:cb16d307afaecebd683e6d74c8b501ed54b0c9a4 / 3522-3805
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/CORD-19/sourceid/cb16d307afaecebd683e6d74c8b501ed54b0c9a4","sourcedb":"CORD-19","sourceid":"cb16d307afaecebd683e6d74c8b501ed54b0c9a4","text":"Condensation of hydrazines with bketoester compounds is the classical method for the synthesis of pyrazolones (Scheme 1), the catalytic conditions are usually the use of organic base like piperidine or inorganic base like NaH in the system of the boiling ethanol or methanol solvent.","tracks":[{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T19","span":{"begin":0,"end":283},"obj":"Sentence"},{"id":"T83452","span":{"begin":0,"end":283},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"attributes":[{"subj":"TextSentencer_T19","pred":"source","obj":"CORD-19-Sentences"},{"subj":"T83452","pred":"source","obj":"CORD-19-Sentences"}]},{"project":"CORD-19_Custom_license_subset","denotations":[{"id":"T19","span":{"begin":0,"end":283},"obj":"Sentence"}],"attributes":[{"subj":"T19","pred":"source","obj":"CORD-19_Custom_license_subset"}]}],"config":{"attribute types":[{"pred":"source","value type":"selection","values":[{"id":"CORD-19-Sentences","color":"#93ec93","default":true},{"id":"CORD-19_Custom_license_subset","color":"#ec93ad"}]}]}}