Production Method 1

84199-57-5

84199-61-1

Reaction Conditions

1.1 Reagents: Chromium trioxide Solvents: Acetone ;  rt; 18 h, rt
1.2 Reagents: Sodium hydroxide Solvents: Hexane ,  Water ;  30 min, rt

Reference

Approach to 5-substituted 6,7,8,9-tetrahydro-5H-pyrido[3,2-c]azepines

Subota, Andrii I.; Artamonov, Oleksiy S.; Gorlova, Alina; Volochnyuk, Dmitriy M.; Grygorenko, Oleksandr O., Tetrahedron Letters, 2017, 58(20), 1989-1991

Production Method 2

84199-57-5

84199-61-1

Reaction Conditions

1.1 Reagents: Chromium trioxide

Reference

Regioselective synthesis and applications of an α-bromopyridine carbanion. Opening of the pyridine ring resulting from nucleophilic attack

Marsais, Francis; Laperdrix, Bruno; Guengoer, Timur; Mallet, Marc; Queguiner, Guy, Journal of Chemical Research, 1982, (10), 278-9

Production Method 3

84199-57-5

84199-61-1

Reaction Conditions

1.1 Reagents: Chromium trioxide Solvents: Acetone ;  -70 - 25 °C

Reference

Silver-catalysed intramolecular cyclisation of 2-alkynylacetophenones and 3-acetyl-2-alkynylpyridines in the presence of ammonia

Dell'Acqua, Monica; Abbiati, Giorgio; Arcadi, Antonio; Rossi, Elisabetta, Organic & Biomolecular Chemistry, 2011, 9(22), 7836-7848

Production Method 4

84199-57-5

84199-61-1

Reaction Conditions

1.1 Reagents: Dipyridinium dichromate Solvents: Dimethylformamide ;  18 h, rt

Reference

One-Pot Asymmetric Synthesis of Alkylidene 1-Alkylindan-1-ols Using Bronsted Acid and Palladium Catalysis

Faggyas, Reka J.; Calder, Ewen D. D.; Wilson, Claire; Sutherland, Andrew, Journal of Organic Chemistry, 2017, 82(21), 11585-11593

Production Method 5

128071-75-0

84199-61-1

Reaction Conditions

1.1 Solvents: Diethyl ether ;  0 °C
1.2 Reagents: 1-Piperidinocyclohexanecarbonitrile Solvents: Dichloromethane ;  rt

Reference

Metal-free visible light-promoted synthesis of isothiazoles: a catalytic approach for N-S bond formation from iminyl radicals under batch and flow conditions

Cabrera-Afonso, Maria Jesus; Cembellin, Sara; Halima-Salem, Adnane; Berton, Mateo; Marzo, Leyre; et al, Green Chemistry, 2020, 22(20), 6792-6797

1-(2-bromopyridin-3-yl)ethan-1-one Raw materials

• 2-Bromonicotinaldehyde
• 1-(2-bromopyridin-3-yl)ethanol

1-(2-bromopyridin-3-yl)ethan-1-one Preparation Products

• 1-(2-bromopyridin-3-yl)ethan-1-one (84199-61-1)

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• Solvents and Organic Chemicals Organic Compounds Organic oxygen compounds Organooxygen compounds Ketones
• Solvents and Organic Chemicals Organic Compounds Organic oxygen compounds Organooxygen compounds Carbonyl compounds Ketones

• 128071-75-0(2-Bromonicotinaldehyde)
• 857842-91-2(2-Bromo-1-(2-bromopyridin-3-YL)ethanone)
• 260417-56-9(Methanone,(2-bromo-4-pyridinyl)-3-pyridinyl-)
• 80100-16-9((6-Bromo-Pyridin-3-Yl)-Phenyl-Methanone)
• 139042-59-4(1-(6-bromopyridin-3-yl)ethan-1-one)
• 887593-99-9(3-Pyridinepropanenitrile,2-bromo-b-oxo-)
• 622372-90-1(METHANONE, (2-BROMO-3-PYRIDINYL)(2-METHYLPHENYL)-)
• 55304-83-1(2,6-dibromopyridine-3-carbaldehyde)
• 123534-58-7(1-Propanone, 1-(2-bromo-3-pyridinyl)-)
• 258262-44-1(1-(2,6-Dibromopyridin-3-yl)ethanone)