DT A NN-CHEMENTITY solution IN-OF of CD-ALPHANUM 124C -LRB- ( CD 7.0 NN-MASS g COMMA , CD 32.4 NN-AMOUNT mmol -RRB- ) IN-IN in JJ-CHEM concentrate OSCAR-CM H2SO4 -LRB- ( CD 9.5 NN-VOL mL -RRB- ) VBD was VB-ADD added TO to DT a NN-CHEMENTITY solution IN-OF of JJ-CHEM concentrate OSCAR-CM H2SO4 -LRB- ( CD 9.5 NN-VOL mL -RRB- ) CC and JJ fuming OSCAR-CM HNO3 -LRB- ( CD 13 NN-VOL mL -RRB- ) CC and DT-THE the NN-CHEMENTITY mixture VBD was VB-HEAT heated IN at CD 60 NN-TEMP °C IN-FOR for CD 30 NN-TIME min STOP . IN-AFTER After VB-COOL cooling TO to NN-TEMP room NN-TEMP temperature COMMA , DT-THE the JJ-CHEM reaction NN-CHEMENTITY mixture VBD was VB-ADD added TO to JJ iced CD 6 NN-MOLAR M NN-CHEMENTITY solution IN-OF of OSCAR-CM NaOH -LRB- ( CD 150 NN-VOL mL -RRB- ) CC and VBN neutralized TO to NN-PH pH CD 6 IN-WITH with CD 1 NN-MOLAR N OSCAR-CM NaOH NN-CHEMENTITY solution STOP . DT-THE The JJ-CHEM reaction NN-CHEMENTITY mixture VBD was VB-EXTRACT extracted IN-WITH with OSCAR-CM dichloromethane -LRB- ( CD 4x100 NN-VOL mL -RRB- ) STOP . DT-THE The JJ-CHEM combined JJ-CHEM organic NN-CHEMENTITY phases VBD were VB-DRY dried IN-OVER over OSCAR-CM Na2SO4 COMMA , VB-FILTER filtered CC and VB-CONCENTRATE concentrated TO to VB-YIELD give CD-ALPHANUM 124D IN-AS as DT a NN-STATE solid STOP .