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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. |