aReaction conditions: p-nitrotoluene 1 (1 mmol), iron metal powder, water, 29 h
bConversion and product 2 yield based on GC area.
cReaction run for 27 h
dReaction run for 60 h
e3 eqv., 2 eqv. and no iron used in the entries 8, 9 and 10 respectively fNo water used
gOpen atmosphere reaction. NR=No reaction. RT=Room temperature
Table 1: Optimization of various reaction parametersa.