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3-(Benzyloxy)-6-broMo-4-Methoxypicolinic acid synthesis

6synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 4 steps
1.1: sulfuric acid / 19 h / 69 °C / Inert atmosphere
2.1: bromine / water / Inert atmosphere
3.1: sodium hydride / N,N-dimethyl-formamide / 0.25 h / 20 °C / Inert atmosphere
3.2: 6 h / 90 °C / Inert atmosphere
4.1: potassium carbonate / 30 h / Reflux; Inert atmosphere

References:

Babij, Nicholas R.;Choy, Nakyen;Cismesia, Megan A.;Couling, David J.;Hough, Nicole M.;Johnson, Peter L.;Klosin, Jerzy;Li, Xiaoyong;Lu, Yu;McCusker, Elizabeth O.;Meyer, Kevin G.;Renga, James M.;Rogers, Richard B.;Stockman, Kenneth E.;Webb, Nicola J.;Whiteker, Gregory T.;Zhu, Yuanming [Green Chemistry,2020,vol. 22,# 18,p. 6047 - 6054]