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The novel compound of 2-(5-(3-methoxyphenyl)-4,5-dihydro-1H-pyrazol-3yl)phenol as a pyrazoline derivative has been synthesized by two-steps reaction using sodium impregnated on activated chicken eggshells (Na-ACE) catalyst. Na-ACE was primarily prepared by a simple wet impregnation of NaOH solution on activated chicken eggshells solid support. The Na-ACE catalyst produced was characterized using FTIR spectrophotometer, XRD and SEM then applied in pyrazoline synthesis. First, chalcone wasdoi:10.1088/1757-899x/188/1/012022 fatcat:pr5uiyejingrroihuitow4pop4