abstract |
Prepare the compound represented by the following formula: R 1 represents Br group, I group, Cl group, NO 2 group, NH 2 group, R 2 represents halogen group, NO 2 group, NH 2 group, Sn(R 6 ) 3 , N =N-NR 7 R 8 , OSO 2 R 9 , NR 10 R 11 , phenyl iodide, heterocyclic iodide, boronic acid, boric acid ester; R 30 represents a protecting group PG 1 , R 40 or R 50 represents hydrogen, The protecting group PG 2 , or NR 40 R 50 collectively represents C 6 H 5 (C 6 H 5 )C═N. |