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3,4-Dichloro-2-Picoline synthesis

2synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: 64 percent / Cl2, H2SO4 / 2 h / 0 °C
2: 96 percent / NaNO2, conc. HCl / 1) 0 to 5 deg C, 1 h, 2) 25 deg C, 2 h

References:

Ife;Dyke;Keeling;Meenan;Meeson;Parsons;Price;Theobald;Underwood [Journal of Medicinal Chemistry,1989,vol. 32,# 8,p. 1970 - 1977]

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