ChemicalBook CAS DataBase List 3,6-Dibromo-9-ethylcarbazole

3,6-Dibromo-9-ethylcarbazole synthesis

11synthesis methods

Product Name:3,6-Dibromo-9-ethylcarbazole
CAS Number:33255-13-9
Molecular formula:C14H11Br2N
Molecular Weight:353.05

86-28-2 Synthesis

86-28-2
365 suppliers
$9.00/25g

33255-13-9
97 suppliers
$21.00/250mg

Yield: 98%

Reaction Conditions:

with N-Bromosuccinimide in dichloromethane at 25;

Steps:

1 Synthesis Example 1 Synthesis of Compound 1
Synthesis of Intermediate A (0118) A mixture of 20.13 g (100.0 mmol) of 9-ethylcarbazole, 3.738 g (210.0 mmol) of N-bromosuccinimide (“NBS”), and 100 ml of CH₂Cl₂was stirred at room temperature (about 25° C.) to obtain 53.54 g of Intermediate A with a yield of 98%. (0119) ¹H-NMR (300 MHz, CDCl₃): δ=8.121 (s, 2H), 7.568 (d, 2H), 7.281 (d, 2H), 4.319 (q, 2H), 1.419 (t, 3H) (0120) ¹³C-NMR (75 MHz, CDCl₃): δ=138.8, 129.0, 123.5, 123.2, 111.9, 110.1, 37.81, 13.69

References:

Samsung Electronics Co., Ltd.;Yang, Hye-yeon;Joo, Won-jae;Son, Jhun-mo;Kang, Ho-suk US8558007, 2013, B2 Location in patent:Page/Page column 28; 29

6825-20-3 Synthesis