2,6-Dibromopyridine

2,6-Dibromopyridine 속성

2,6-Dibromopyridine MSDS

2,6-Dibromopyridine

2,6-Dibromopyridine C화학적 특성, 용도, 생산

화학적 성질

White to light yellow crystalline powder

용도

2,6-Dibromopyridine is used as a tridentate chelating ligand and in the formation of macrocycles containing the terpyridine moiety. It is also used to produce 6-bromo-2-methoxypyridine.

주요 응용

2,6-Dibromopyridine is an important organic chemical reagent with a wide range of uses:
(1) Spectroscopic studies: There is a satisfactory correlation between the normal Raman spectra of 2,6-dibromopyridine in aqueous solution and the surface enhanced Raman (SER) spectra in silver-pure sols. In the SER spectra, the compounds are notable for the stretching of the vibrational modes of (py)CBr and (CC,CN)(py) in 2,6-dibromopyridine to give enhanced vibrational intensities at 1175 and 1369 cm-1 , respectively^[1].
(2) Reaction reagent: Friedel–Crafts-type acylation of alkenes with acyl chlorides has been successfully conducted with a wide substrate scope by the combined use of AlCl3 and 2,6-dibromopyridine. Trisubstituted alkenes afford allylketones or vinylketones depending on the presence or absence of hydrogen atom(s) at the β-position to the acylation site, while monosubstituted alkenes exclusively afford vinylketones^[2]. In addition, 2,6-Dibromopyridine can be brominated to form 2,4,6-tribromopyridine by reacting with a mixture of bromine at 450~ 550 °C^[3]. It can also be lithiated with butyl lithium for the synthesis of L-739,010^[4].
(3) A selective palladium-catalysed arylation of 2,6-dibromopyridine has been developed by employing N-heterocyclic carbene ligands. Selective mono-arylation was performed in water/acetonitrile solvent system at ambient temperature with catalyst loading of 0.1 mol%. This reaction was also found to proceed smoothly in water although at a slightly elevated temperature of 80 °C. 2,6-Disubstituted and diversely substituted 2,6-pyridines were also obtained in high yields which will be of importance to organic and medicinal chemists^[5].

Purification Methods

Purify 2,6-dibromopyridine by steam distillation, then recrystallise it twice from EtOH. It does not form an HgCl2 salt. [den Hertog & Wibaut Recl Trav Chim Pays Bas 51 381 1932, Beilstein 20/5 V 435.]

2,6-Dibromopyridine 준비 용품 및 원자재

원자재

준비 용품

2,6-Dibromopyridine 공급 업체

공급자	전화	이메일	국가	제품 수	이점
Changzhou Jiuwu Chemical co., Ltd.	+86-0519-85121086 +8613775162768	info@jiuwuchem.cn	China	75	58
Taizhou Creating Bio-pharm co., ltd.	+8613586099526	post@creatingbiopharm.com	China	217	58
Frapp's ChemicalNFTZ Co., Ltd.	+86 (576) 8169-6106	sales@frappschem.com	China	885	50
Capot Chemical Co.,Ltd.	571-85586718 +8613336195806	sales@capotchem.com	China	29797	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21688	55
Nanjing ChemLin Chemical Industry Co., Ltd.	025-83697070	product@chemlin.com.cn	CHINA	3012	60
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29914	58
Anhui Dexinjia Biopharm Co., Ltd	+86-531-82375887 +86-15064153060	sales01@ahdxj.com	China	292	58
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10247	58
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28180	58

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