ChemicalBook CAS DataBase List 5,7-DIHYDRO-INDOLO[2,3-B]CARBAZOLE

5,7-DIHYDRO-INDOLO[2,3-B]CARBAZOLE synthesis

8synthesis methods

Product Name:5,7-DIHYDRO-INDOLO[2,3-B]CARBAZOLE
CAS Number:111296-90-3
Molecular formula:C18H12N2
Molecular Weight:256.3

59-88-1 Synthesis

59-88-1
356 suppliers
$15.00/10g

637-88-7 Synthesis

637-88-7
307 suppliers
$5.00/1g

111296-90-3
131 suppliers
$70.00/100 mg

Yield:111296-90-3 91.9%

Reaction Conditions:

in diphenylether;decalin for 0.5 h;Reflux;

Steps:

3 Embodiment 3
To 1L three-mouth flask add decahydronaphthalene in 250 ml, diphenyl ether 250 ml, 1, 4 - Cyclohexanedione 22.4g, phenyl hydrazine hydrochloride 57.6g, heating control temperature (190 °C ± 2), 30 minutes later, stopping the reaction, solvent recovery is used the reaction process. Cooling to room temperature, and a large amount of precipitation, filtering, to obtain the gray powder (3) 5, 11 - indoline and [3,2 - the b] carbazole 47.1g (yield is 91.9%, HPLC=99.7%).

References:

Xi'an Oude Optoelectric Materials Co., Ltd.;Ren Yingge;Jiang Huzi;Yuan Ting;Liu Yingfeng CN106478635, 2017, A Location in patent:Paragraph 0026; 0027; 0028

FullText