2-Acetyl-5-methylthiophene
REF : 533610-25G
Marca : Sigma-Aldrich
Descrição :2-Acetyl-5-methylthiophene 98%
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Categoria : Synthetic Chemistry - Routine Use
Descrição detalhada : 2-Acetyl-5-methylthiophene is a volatile organic compound formed during the reaction between L-cysteine and dihydroxyacetone in glycerine or triglyceride solvent system. It can be prepared by reacting 2-methylthiophene with acetic anhydride. 2-Acetyl-5-methylthiophene undergoes palladium-catalyzed cross-coupling reaction with aryl bromides to form C-4 arylated product. It reacts with 1,2-bis(5-formyl-2-methylthiophen-3-yl)cyclopentene via Aldol condensation to form a chalcone with photochromic property. The standard molar enthalpies of combustion, formation and vaporization of 2-acetyl-5-methylthiophene are 4341.9 +/- 1.8kJ/mol, 158.0 +/- 2.1kJ/mol and 62.0 +/- 2.6kJ/mol, respectively.
Fórmula molecula r: C7H8OS
Armazenamento : Room Temperature
Embalagem : 1X25G
Fórmula molecula r: C7H8OS
Armazenamento : Room Temperature
Embalagem : 1X25G
