Heterocyclization of 2-(Propargylsulfanyl)-1,3-thiazole Derivatives by the Action of Halogens


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Reactions of 2-(propargylsulfanyl)-5-methyl-1,3,4-thiadiazole, N-[5-(propargylsulfanyl)-1,3,4-thiadiazol- 2-yl]benzamide, 2-(propargylsulfanyl)-1,3-benzothiazole, and 2-(propargylsulfanyl)-4,5-dihydro-1,3- thiazole with iodine involved annulation of the unsaturated substituent with formation of fused thiazole ring. 2(5)-(Propargylsulfanyl)-1,3,4-thiadiazole derivatives reacted with bromine to give mixtures of heterocyclization products and bromine adducts to the triple bond. The bromination of 2-(propargylsulfanyl)-4,5-dihydro- 1,3-thiazole afforded only the bromine addition product to the triple bond.

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N. Tarasova

South Ural State University

编辑信件的主要联系方式.
Email: tarasovanm@susu.ru
俄罗斯联邦, pr. im. Lenina 76, Chelyabinsk, 454071

D. Kim

South Ural State University

Email: tarasovanm@susu.ru
俄罗斯联邦, pr. im. Lenina 76, Chelyabinsk, 454071

O. El’tsov

Yeltsin Ural Federal University

Email: tarasovanm@susu.ru
俄罗斯联邦, ul. Mira 19, Yekaterinburg, 620002

T. Shtukina

Yeltsin Ural Federal University

Email: tarasovanm@susu.ru
俄罗斯联邦, ul. Mira 19, Yekaterinburg, 620002

A. Borisova

South Ural State University

Email: tarasovanm@susu.ru
俄罗斯联邦, pr. im. Lenina 76, Chelyabinsk, 454071

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