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ChemicalBook CAS DataBase List 4-Bromo-2-propyl thiophene

4-Bromo-2-propyl thiophene synthesis

2synthesis methods
36155-78-9 Synthesis
4-Bromo-2-propionylthiophene

36155-78-9
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Yield:36155-79-0 90%

Reaction Conditions:

Stage #1: 1-(4-bromo-thien-2-yl)-1-propanonewith hydrazine hydrate monohydrate in ethylene glycol dimethyl ether at 160; for 0.75 h;Wolff-Kishner Reduction;
Stage #2: with potassium hydroxide in ethylene glycol dimethyl ether at 35 - 160; for 1.5 h;

References:

Bar, Sukanta;Martin, Maxwell I. [Canadian Journal of Chemistry,2022,vol. 100,# 8,p. 601 - 605]

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