How is tert-butyl N-(6-methoxy-2-pyridyl)carbamate (CAS: 855784-40-6) typically synthesized?

Tert-butyl N-(6-methoxy-2-pyridyl)carbamate (CAS: 855784-40-6) is synthesized via a multi-step process involving the reaction of 6-methoxy-2-pyridinecarboxylic acid with tert-butyl isocyanate. Commonly, the synthesis involves the use of anhydrous conditions and a catalytic amount of a base such as triethylamine. The reaction yields a high purity product with good selectivity, typically around 90% yield.