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Information × Registration Number 0203U002131, 0101U001053 , R & D reports Title Elaboration of preparation methods and synthesis of thieno[2,3-c]-2H-chromene derivatives popup.stage_title Head Obushak Mykola Dmytrovych, Registration Date 29-01-2003 Organization Ivan Franko Lviv National University. Faculty of the finance and credit popup.description2 The method of receiving of tieno[2,3-c] -2H-chromene derivatives for usage them in organic synthesis is designed . A key reagent - 2-amino-3a,9b-dihydro-4H-5-oxa-3-thia -cyclopenta [a]naphthalene-1-carboxylic acid ethyl ester by Gewald reaction was synthesized. From it hydrazide, azide and isocyanate are synthesized and thus potential of practical usage of these compounds in synthesis are shown. Product Description popup.authors popup.nrat_date 2020-04-02 Close