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3 results on '"a-bromoketone"'

2. Synthesis of 2H-Thiopyrans via Multicomponent Reactions in Water.

Author

Rostami-Charati, Faramarz

Subjects
*THIOPYRAN, *TRIPHENYLPHOSPHINE, *IRRADIATION, *PROTEIN kinase inhibitors, *BROMINE
Abstract

A series of 2H-thiopyran derivatives has been synthesized via one-pot multicomponent reactions of dialkyl acetylenedicarboxylates, arylisothiocyanates, and a-bromoketones in the presence of triphenylphosphine in water under both conventional heating and microwave irradiation. The yields obtained under microwave irradiation were superior and the reaction times were reduced in comparison with conventional heating. [ABSTRACT FROM AUTHOR]

Published
2013
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3. 2-(1-Bromo-1-methyl-ethyl)-2-methyl-[1,3]dioxolane

Author

Pablo J. Linares-Palomino, Sofía Salido, Adolfo Sánchez, Juan M. Castro, Manuel Nogueras, and Joaquín Altarejos

Subjects
Bromine, a-bromoketone, Bromination, Organic Chemistry, Halogenation, chemistry.chemical_element, Biochemistry, Medicinal chemistry, dioxolane ring, lcsh:QD146-197, chemistry.chemical_compound, chemistry, Dioxolane, lcsh:Inorganic chemistry, Physical and Theoretical Chemistry
Abstract

A solution of bromine (0.3 mL, 5.90 mmol) in CCl4 (2 mL) was slowly added over a stirred mixture of 3-methyl-butan-2-one (1) (505 mg, 5.90 mmol) and AcOH (0.33 mL) at room temperature.[...]

Published
2004

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