How to prepare 4-nitrobenzene acetylene_Kain Industrial Additive

background and overview[1] 4-nitrophenylacetylene is an organic intermediate that can be prepared from 1-iodo-4-nitrobenzene in two steps. preparation[1] step 1 preparation of [4-(nitrophenyl)ethynyl]trimethylsilane (s7g) to 1-iodo-4-nitrobenzene (s6) (1.00 g, 4.02 mmol), pd(pph3)2cl2 (84.3 mg, 0.120 mmol), cui (45.7) and et3n (2.24 mg, 16.4 mmol) add (trimethylsilyl)acetylene (560 mg, 4.06 mmol) to 6.8 ml of dmf…