Pyrazinecarboxylic esters from halogenopyrazines

Many such esters have been made by primary synthesis (see Chapters 1 and 2), from halogenopyrazines by displacement (see Section 4.2.9), or by esterification of pyrazinecarboxylic acids (see Section 8.1.2). The remaining methods are illustrated in the following examples ... 

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See also in sourсe #XX -- [ ]

See also in sourсe #XX -- [ ]

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