ChemicalBook CAS DataBase List 2,7-Dibromophenanthrene

2,7-Dibromophenanthrene synthesis

13synthesis methods

Product Name:2,7-Dibromophenanthrene
CAS Number:62325-30-8
Molecular formula:C14H8Br2
Molecular Weight:336.02

Benzene, 1,1'-(1,2-ethenediyl)bis[3-bromo-

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62325-30-8
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Yield: 91%

Reaction Conditions:

with iodine in cyclohexane at 20; under 760.051 Torr; for 10 h;Irradiation;

Steps:

1 (Synthetic Intermediate Compound B)
Under atmospheric pressure, 4.00 g of Intermediate Compound A and 100 ml of a cyclohexane solution in which 0.17 g of iodine was dissolved were placed in a 300 ml reaction vessel, and irradiated with a 450-W high-pressure Hg arc lamp (>280 nm) for about 10 hours. After the irradiation, the solid in the reaction solution was suction filtered to give 3.62 g (yield: 91%) of Compound B as a white solid.

References:

Sanxing Display Co., Ltd.;San Zhaixiufu;Shang Yeyasi;Jin Xiulan;Gao Tianyifan;Mi Jingyuliang;Yu Yezhuoshi CN110003018, 2019, A Location in patent:Paragraph 0180; 0186-0189