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A novel one step photocatalytic synthesis of dihydropyrazine from ethylenediamine and propylene glycol

K V, Subba Rao and B, Srinivas and A R, Prasad and M. , Subrahmanyam (2000) A novel one step photocatalytic synthesis of dihydropyrazine from ethylenediamine and propylene glycol. Chemical Communication (16). pp. 1533-1534.

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Abstract

Dihydropyrazine (DHP), the intermediate for pyrazine, is synthesized from ethylenediamine and propylene glycol; it is assumed that the reaction proceeds by photooxidation of propylene glycol and cyclization with ethylenediamine to give dihydromethylpyrazine, which by subsequent oxidative demethylation via the corresponding acid, forms dihydropyrazine; molecular oxygen, light and TiO2/zeolite promote the reaction.

Item Type:Article
Subjects:Science > Chemistry
ID Code:449
Deposited By:INVALID USER
Deposited On:27 Mar 2007 11:12
Last Modified:27 Mar 2007 11:12

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