Ngày tải lên :
19/11/2014, 19:40
... 17 1 -1 73 oC Trựng khp vi ti liu [ 16 ] Ph NMR- 1, , p.p.m: 1 .30 [s, 9, (3) 3(7)]; 1. 45 [s, 9, (3) 3(5)]; 1, 97[s, 3H, COCH3(9)] 2. 46 (s, 3, 3( 12 )), 2 .67 (s, 3, 3( 10 )), 2 .68 (s, 3, 3( 2)), 7 .11 (s, 1H, ... núng chy 1 93- 19 5 oC Ph NMR 1, (CDCl3), p.p.m: 1. 29 s (9, 7- (3) 3), 1. 42 s (9, 5 (3) 3), 1, 98 s (3H, N-COCH3), 2, 46 s (3, 11 -3) , 2 .66 s (3, 12 -3) , 2 .68 s (3, 2 -3) , 7,07-7 ,34 m (4, Harom) 3. 4 Tng hp ... http://lrc.tnu.edu.vn 34 (3) 3), 2 .66 s (3, 2 -3) , 2. 71 s (3, 12 -3) , 5.78 s (1, NH), 6. 74 d (1, 11 -H,), 6. 84 d (1, 6- H,), 7.04 d (1, 8-H,), 7. 13 s (1, 3- H), 7 .33 d (1, 10 -H,) Phự hp vi cỏc kt qu ó cụng b [12 ] t-Bu...