Eco-friendly synthesis of (Z)-3-alkyl-5-(benzylidene/substituted benzylidene)-2N-(carbothioamido)-6-oxo-1,2,5,6-tetrahydro-1-NH-1,2,4- triazine derivatives have been developed in 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) as solvent without catalyst for 20-30 min at 60-65 oC with good yields
Key words: Eco-friendly synthesis; 1,2,4-triazines; 1,8-diazabicyclo[5.4.0]undec-7-ene.
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